CINXE.COM

Wikipedia:WikiProject Geology/Resources - Wikipedia

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Wikipedia:WikiProject Geology/Resources - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy", "wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"4161e0d0-47df-4632-b243-abe426eaea89","wgCanonicalNamespace":"Project","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":4,"wgPageName":"Wikipedia:WikiProject_Geology/Resources","wgTitle":"WikiProject Geology/Resources","wgCurRevisionId":1181629592,"wgRevisionId":1181629592,"wgArticleId":35047514,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["WikiProject Geology"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Wikipedia:WikiProject_Geology/Resources","wgRelevantArticleId":35047514,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}} },"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":10000,"wgEditSubmitButtonLabelPublish":true,"wgDiscussionToolsFeaturesEnabled":{"replytool":true,"newtopictool":true,"sourcemodetoolbar":true,"topicsubscription":false,"autotopicsub":false,"visualenhancements":false,"visualenhancements_reply":false,"visualenhancements_pageframe":false},"wgDiscussionToolsFallbackEditMode":"source","wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q29026897","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"], "GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.discussionTools.init.styles":"ready","oojs-ui-core.styles":"ready","oojs-ui.styles.indicators":"ready","mediawiki.widgets.styles":"ready","oojs-ui-core.icons":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["site","mediawiki.page.ready","jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp", "ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.discussionTools.init","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","wikibase.client.vector-2022","ext.checkUser.clientHints"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&amp;modules=ext.discussionTools.init.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cmediawiki.widgets.styles%7Coojs-ui-core.icons%2Cstyles%7Coojs-ui.styles.indicators%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&amp;only=styles&amp;skin=vector-2022"> <script async="" src="/w/load.php?lang=en&amp;modules=startup&amp;only=scripts&amp;raw=1&amp;skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&amp;modules=site.styles&amp;only=styles&amp;skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.14"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Wikipedia:WikiProject Geology/Resources - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/Wikipedia:WikiProject_Geology/Resources"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/Wikipedia:WikiProject_Geology/Resources"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&amp;feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="login.wikimedia.org"> </head> <body class="ext-discussiontools-replytool-enabled ext-discussiontools-newtopictool-enabled ext-discussiontools-sourcemodetoolbar-enabled skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-4 ns-subject mw-editable page-Wikipedia_WikiProject_Geology_Resources rootpage-Wikipedia_WikiProject_Geology skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" title="Main menu" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page&#039;s font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&amp;wmf_medium=sidebar&amp;wmf_campaign=en.wikipedia.org&amp;uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&amp;returnto=Wikipedia%3AWikiProject+Geology%2FResources" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&amp;returnto=Wikipedia%3AWikiProject+Geology%2FResources" title="You&#039;re encouraged to log in; however, it&#039;s not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&amp;wmf_medium=sidebar&amp;wmf_campaign=en.wikipedia.org&amp;uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&amp;returnto=Wikipedia%3AWikiProject+Geology%2FResources" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&amp;returnto=Wikipedia%3AWikiProject+Geology%2FResources" title="You&#039;re encouraged to log in; however, it&#039;s not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Project_Templates" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Project_Templates"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Project Templates</span> </div> </a> <button aria-controls="toc-Project_Templates-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Project Templates subsection</span> </button> <ul id="toc-Project_Templates-sublist" class="vector-toc-list"> <li id="toc-Project_banner" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Project_banner"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Project banner</span> </div> </a> <ul id="toc-Project_banner-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Userbox" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Userbox"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Userbox</span> </div> </a> <ul id="toc-Userbox-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Barnstar" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Barnstar"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Barnstar</span> </div> </a> <ul id="toc-Barnstar-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Barnstar_2" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Barnstar_2"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>Barnstar</span> </div> </a> <ul id="toc-Barnstar_2-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Article_templates" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Article_templates"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Article templates</span> </div> </a> <button aria-controls="toc-Article_templates-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Article templates subsection</span> </button> <ul id="toc-Article_templates-sublist" class="vector-toc-list"> <li id="toc-Infoboxes,_navboxes_and_timelines" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Infoboxes,_navboxes_and_timelines"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Infoboxes, navboxes and timelines</span> </div> </a> <ul id="toc-Infoboxes,_navboxes_and_timelines-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Stubs" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Stubs"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Stubs</span> </div> </a> <ul id="toc-Stubs-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Period_properties" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Period_properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Period properties</span> </div> </a> <ul id="toc-Period_properties-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Timeline_templates" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Timeline_templates"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Timeline templates</span> </div> </a> <ul id="toc-Timeline_templates-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Guidelines" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Guidelines"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Guidelines</span> </div> </a> <ul id="toc-Guidelines-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Information_sources" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Information_sources"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Information sources</span> </div> </a> <ul id="toc-Information_sources-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Wikipedia</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">WikiProject Geology/Resources</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 1 language" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-1" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">1 language</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Wikipedia:D%E1%BB%B1_%C3%A1n_%C4%90%E1%BB%8Ba_ch%E1%BA%A5t/Ngu%E1%BB%93n_l%C6%B0u_tr%E1%BB%AF" title="Wikipedia:Dự án Địa chất/Nguồn lưu trữ – Vietnamese" lang="vi" hreflang="vi" data-title="Wikipedia:Dự án Địa chất/Nguồn lưu trữ" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q29026897#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-project" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Wikipedia:WikiProject_Geology/Resources" title="View the project page [c]" accesskey="c"><span>Project page</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Wikipedia_talk:WikiProject_Geology/Resources" rel="discussion" class="mw-redirect" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Wikipedia:WikiProject_Geology/Resources"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Wikipedia:WikiProject_Geology/Resources"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Wikipedia:WikiProject_Geology/Resources" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Wikipedia:WikiProject_Geology/Resources" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;oldid=1181629592" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FWikipedia%3AWikiProject_Geology%2FResources"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FWikipedia%3AWikiProject_Geology%2FResources"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&amp;page=Wikipedia%3AWikiProject_Geology%2FResources&amp;action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q29026897" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><div class="subpages">&lt; <bdi dir="ltr"><a href="/wiki/Wikipedia:WikiProject_Geology" title="Wikipedia:WikiProject Geology">Wikipedia:WikiProject Geology</a></bdi></div></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><table role="presentation" style="width: 100%; background-color: transparent; color: inherit; vertical-align: top; border: 0px; border-spacing: 0; margin:0;"><tbody><tr><td style="width: 1%; border-bottom: solid 1px #A3B1BF"> </td><td style="text-align: center; border-radius:5em 5em 0 0; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #e0e0b0; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Geology" title="Wikipedia:WikiProject Geology">Main</a></td><td style="width: 2%; border-bottom: solid 1px #a3b1bf"> </td><td style="text-align: center; border-radius:5em 5em 0 0; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #e0e0b0; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Geology/Organization" title="Wikipedia:WikiProject Geology/Organization">Organization</a></td><td style="width: 2%; border-bottom: solid 1px #a3b1bf"> </td><td style="text-align: center; border-radius:5em 5em 0 0; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #e0e0b0; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Geology/Participants" title="Wikipedia:WikiProject Geology/Participants">Participants</a></td><td style="width: 2%; border-bottom: solid 1px #a3b1bf"> </td><td style="text-align: center; border-radius:5em 5em 0 0; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #e0e0b0; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Geology/Tasks" title="Wikipedia:WikiProject Geology/Tasks">Open tasks</a></td><td style="width: 2%; border-bottom: solid 1px #a3b1bf"> </td><td style="text-align: center; border-radius:5em 5em 0 0; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #e0e0b0; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Geology/Assessment" title="Wikipedia:WikiProject Geology/Assessment">Assessment</a></td><td style="width: 2%; border-bottom: solid 1px #a3b1bf"> </td><td style="text-align: center; border-radius:5em 5em 0 0; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #e0e0b0; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Geology/Peer_reviews" title="Wikipedia:WikiProject Geology/Peer reviews">Peer reviews</a></td><td style="width: 2%; border-bottom: solid 1px #a3b1bf"> </td><td style="text-align: center; border-radius:5em 5em 0 0; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: transparent; border-bottom-color: transparent; font-weight:bold; width: 3%;"><a class="mw-selflink selflink">Resources</a></td><td style="width: 2%; border-bottom: solid 1px #a3b1bf"> </td><td style="text-align: center; border-radius:5em 5em 0 0; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #e0e0b0; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Geology/Showcase" title="Wikipedia:WikiProject Geology/Showcase">Showcase</a></td><td style="width: 1%; border-bottom: solid 1px #A3B1BF"> </td></tr></tbody></table><div style="border: solid 1px #a3b1bf; border-top: none; padding: .5em 1em 1em 1em;"><div style="padding: 1ex"> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Project_Templates" data-mw-thread-id="h-Project_Templates"><span data-mw-comment-start="" id="h-Project_Templates"></span>Project Templates<span data-mw-comment-end="h-Project_Templates"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=1" title="Edit section: Project Templates"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Project_Templates","replies":["h-Project_banner-Project_Templates","h-Userbox-Project_Templates","h-Barnstar-Project_Templates","h-Barnstar_2-Project_Templates"]}}--></div> <div class="mw-heading mw-heading3"><h3 id="Project_banner" data-mw-thread-id="h-Project_banner-Project_Templates"><span data-mw-comment-start="" id="h-Project_banner-Project_Templates"></span>Project banner<span data-mw-comment-end="h-Project_banner-Project_Templates"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=2" title="Edit section: Project banner"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Place <code>{{<a href="/wiki/Template:WikiProject_Geology" title="Template:WikiProject Geology">WikiProject Geology</a>|class=|importance=}}</code> onto any new Geology article's <i>talk</i> page for it to be recognised and assessed under the project's scope. An article's assessment is generated from the <i>class</i> and <i>importance</i> parameters and helps organise relevant articles for improvement. When assessed, the class and importance parameters are filled in, like this: </p> <dl><dd><code>{{WikiProject Geology|class=Start|importance=Mid}}</code></dd></dl> <p>and the banner looks like this: </p> <style data-mw-deduplicate="TemplateStyles:r1237879475">.mw-parser-output .tmbox{margin:4px 0;border-collapse:collapse;border:1px solid #c0c090;background-color:#f8eaba;box-sizing:border-box}.mw-parser-output .tmbox.mbox-small{font-size:88%;line-height:1.25em}.mw-parser-output .tmbox-speedy{border:2px solid #b32424;background-color:#fee7e6}.mw-parser-output .tmbox-delete{border:2px solid #b32424}.mw-parser-output .tmbox-content{border:2px solid #f28500}.mw-parser-output .tmbox-style{border:2px solid #fc3}.mw-parser-output .tmbox-move{border:2px solid #9932cc}.mw-parser-output .tmbox .mbox-text{border:none;padding:0.25em 0.9em;width:100%}.mw-parser-output .tmbox .mbox-image{border:none;padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .tmbox .mbox-imageright{border:none;padding:2px 0.9em 2px 0;text-align:center}.mw-parser-output .tmbox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .tmbox .mbox-invalid-type{text-align:center}@media(min-width:720px){.mw-parser-output .tmbox{margin:4px 10%}.mw-parser-output .tmbox.mbox-small{clear:right;float:right;margin:4px 0 4px 1em;width:238px}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .tmbox{background-color:#2e2505}html.skin-theme-clientpref-night .mw-parser-output .tmbox-speedy{background-color:#310402}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .tmbox{background-color:#2e2505}html.skin-theme-clientpref-os .mw-parser-output .tmbox-speedy{background-color:#310402}}body.skin--responsive .mw-parser-output table.tmbox img{max-width:none!important}</style><style data-mw-deduplicate="TemplateStyles:r1259570071">.mw-parser-output .wpb-header,.mw-parser-output .wpb-metadata,.mw-parser-output .wpb-iefix{display:none}.mw-parser-output .wpb-header-name{text-align:right;padding:0.3em 1em 0.3em 0.3em;width:50%;font-weight:bold}.mw-parser-output .wpb-header-assessment{text-align:left;width:50%;padding:0.3em}.mw-parser-output .wpb-header-combined{text-align:left;padding:0.3em 0.3em 0.3em 0;font-weight:bold}.mw-parser-output .wpb-header-bubbles{border-radius:.5em;padding:0 .3em;margin-left:0.5em;white-space:nowrap;font-weight:normal;color:black}.mw-parser-output .wpb-nested-task-force{font-weight:normal}.mw-parser-output .wpb-header-icon{width:50px;text-align:center}.mw-parser-output .wpb-category-box{background-color:#F5F5F5;border-width:1px;width:500px}.mw-parser-output .wpbs .wpb .wpb-main{background-color:#FFFAEF;padding:3px 0 3px 0.7em}.mw-parser-output .wpb .wpb-main{padding:3px 5px}.mw-parser-output .wpbs .wpb-header{background-color:#FFFAEF}.mw-parser-output .wpb-main>table{background-color:transparent;border:none;padding:0;width:100%;border-spacing:0}.mw-parser-output .wpb .wpb-image{padding:2px 0}.mw-parser-output .wpb-collapsed-head{text-align:left;padding:0.2em 2px 0.2em 0}.mw-parser-output .wpb-collapsed-notes{padding:0}.mw-parser-output .wpb-collapsed-notes>table{width:100%;background-color:transparent}.mw-parser-output .wpb .wpb-gutter{padding:2px 0 0 0}.mw-parser-output .wpbs .banner-shell-inner{background-color:#f8eaba;border:none}.mw-parser-output .wpb-table{table-layout:fixed}@media(min-width:720px){.mw-parser-output .wpb{min-width:80%}}.mw-parser-output .assess{font-weight:bold;text-align:center;white-space:nowrap;color:black}.mw-parser-output .import-top{background-color:#FFBFFF}.mw-parser-output .import-high{background-color:#FFCCFF}.mw-parser-output .import-mid{background-color:#FFD9FF}.mw-parser-output .import-low{background-color:#FFE7FF}.mw-parser-output .import-bottom{background-color:#FFEBFF}.mw-parser-output .import-na{background-color:#F5F5F5}.mw-parser-output .import-unknown{background-color:#DCDCDC}.mw-parser-output .class-fa,.mw-parser-output .class-fl,.mw-parser-output .class-fm{background-color:#BED3FF}.mw-parser-output .class-a,.mw-parser-output .class-al{background-color:#C0FFFF}.mw-parser-output .class-ga{background-color:#C0FFC0}.mw-parser-output .class-b,.mw-parser-output .class-bl{background-color:#DFFFBF}.mw-parser-output .class-c,.mw-parser-output .class-cl{background-color:#FFFFBE}.mw-parser-output .class-start{background-color:#FFDBBF}.mw-parser-output .class-stub,.mw-parser-output .class-sl{background-color:#FFC0C0}.mw-parser-output .class-list{background-color:#D2C0FF}.mw-parser-output .class-na{background-color:#F5F5F5}.mw-parser-output .class-category{background-color:#FFDB58}.mw-parser-output .class-disambig{background-color:#00FA9A}.mw-parser-output .class-draft{background-color:#E7B198}.mw-parser-output .class-file{background-color:#DDCCFF}.mw-parser-output .class-future{background-color:#B4BBFF}.mw-parser-output .class-portal{background-color:#DDB1BC}.mw-parser-output .class-project{background-color:#C0C090}.mw-parser-output .class-redirect{background-color:#C0C0C0}.mw-parser-output .class-sia{background-color:#E9DAFF}.mw-parser-output .class-user{background-color:#DDD06A}.mw-parser-output .class-template{background-color:#FBCEB1}.mw-parser-output .class-unassessed{background-color:#DCDCDC}.mw-parser-output .conflict{border:0.2em solid red}.mw-parser-output .inactive-wikiproject .wpb-header-bubbles{color:inherit}@media screen{html.skin-theme-clientpref-night .mw-parser-output .wpb-category-box{background-color:#0a0a0a}html.skin-theme-clientpref-night .mw-parser-output .wpbs .wpb .wpb-main,html.skin-theme-clientpref-night .mw-parser-output .wpbs .wpb-header{background-color:#302f2d}html.skin-theme-clientpref-night .mw-parser-output .wpbs .banner-shell-inner{background-color:#2e2505}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .wpb-category-box{background-color:#0a0a0a}html.skin-theme-clientpref-os .mw-parser-output .wpbs .wpb .wpb-main,html.skin-theme-clientpref-os .mw-parser-output .wpbs .wpb-header{background-color:#302f2d}html.skin-theme-clientpref-os .mw-parser-output .wpbs .banner-shell-inner{background-color:#2e2505}}</style><table class="tmbox tmbox-notice mw-collapsible innercollapse wpb wpb-table"><tbody><tr class="wpb-header"><td class="wpb-header-icon"><span typeof="mw:File"><a href="/wiki/File:WikiProject_Geology.svg" class="mw-file-description"><img alt="WikiProject icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/25px-WikiProject_Geology.svg.png" decoding="async" width="25" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/38px-WikiProject_Geology.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/50px-WikiProject_Geology.svg.png 2x" data-file-width="327" data-file-height="328"/></a></span></td><td class="wpb-header-combined"><a href="/wiki/Wikipedia:WikiProject_Geology" title="Wikipedia:WikiProject Geology">Geology</a> <span class="wpb-header-bubbles class-start">Start‑class</span> <span class="wpb-header-bubbles import-mid">Mid‑importance</span></td></tr><tr><td class="mbox-text wpb-main" colspan="2"><table><tbody><tr><td class="mbox-image wpb-image"><span typeof="mw:File"><a href="/wiki/File:WikiProject_Geology.svg" class="mw-file-description"><img alt="WikiProject icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/80px-WikiProject_Geology.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/120px-WikiProject_Geology.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/160px-WikiProject_Geology.svg.png 2x" data-file-width="327" data-file-height="328"/></a></span></td><td class="mbox-text"><style data-mw-deduplicate="TemplateStyles:r1266661725">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:WikiProject_Geology.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/28px-WikiProject_Geology.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/42px-WikiProject_Geology.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/56px-WikiProject_Geology.svg.png 2x" data-file-width="327" data-file-height="328"/></a></span></span><span class="portalbox-link"><a href="/wiki/Portal:Geology" title="Portal:Geology">Geology portal</a></span></li></ul>This article is within the scope of <b><a href="/wiki/Wikipedia:WikiProject_Geology" title="Wikipedia:WikiProject Geology">WikiProject Geology</a></b>, an attempt at creating a standardized, informative, comprehensive and easy-to-use <a href="/wiki/Geology" title="Geology">geology</a> resource. If you would like to participate, you can choose to edit this article, or visit the <a href="/wiki/Wikipedia:WikiProject_Geology" title="Wikipedia:WikiProject Geology">project page</a> for more information.<span class="metadata wpb-metadata"><span class="wpb-project">Geology</span><span class="wpb-project_link">Wikipedia:WikiProject Geology</span><span class="wpb-banner_name">Template:WikiProject Geology</span><span class="wpb-assessment_cat">Geology</span></span></td><td class="mbox-empty-cell"></td></tr><tr><td class="assess class-start"><a href="/wiki/Category:Start-Class_Geology_articles" title="Category:Start-Class Geology articles">Start</a></td><td class="mbox-text" colspan="2">This article has been rated as <b>Start-class</b> on Wikipedia's <a href="/wiki/Wikipedia:Content_assessment" title="Wikipedia:Content assessment">content assessment</a> scale.</td></tr><tr><td class="assess import-mid"><a href="/wiki/Category:Mid-importance_Geology_articles" title="Category:Mid-importance Geology articles">Mid</a></td><td class="mbox-text" colspan="2">This article has been rated as <b>Mid-importance</b> on the <a href="/wiki/Wikipedia:WikiProject_Geology/Assessment#Importance_scale" title="Wikipedia:WikiProject Geology/Assessment">project's importance scale</a>.</td></tr></tbody></table></td></tr></tbody></table><br clear="all"/> <p><a href="/wiki/Wikipedia:Shortcut" title="Wikipedia:Shortcut">Shortcuts:</a> <span class="nowrap">{{</span><a href="/wiki/Template:WikiProject_Geology" title="Template:WikiProject Geology">WikiProject Geology</a><span class="nowrap">}}</span>, <span class="nowrap">{{</span><a href="/wiki/Template:WPGEOLOGY" class="mw-redirect" title="Template:WPGEOLOGY">WPGEOLOGY</a><span class="nowrap">}}</span>, <span class="nowrap">{{</span><a href="/wiki/Template:WPGeology" class="mw-redirect" title="Template:WPGeology">WPGeology</a><span class="nowrap">}}</span>, <span class="nowrap">{{</span><a href="/wiki/Template:WP_Geology" class="mw-redirect" title="Template:WP Geology">WP Geology</a><span class="nowrap">}}</span> </p><p>For more information visit the assessment page: <a href="/wiki/Wikipedia:WikiProject_Geology/Assessment" title="Wikipedia:WikiProject Geology/Assessment">Wikipedia:WikiProject Geology/Assessment</a> </p> <div class="mw-heading mw-heading3"><h3 id="Userbox" data-mw-thread-id="h-Userbox-Project_Templates"><span data-mw-comment-start="" id="h-Userbox-Project_Templates"></span>Userbox<span data-mw-comment-end="h-Userbox-Project_Templates"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=3" title="Edit section: Userbox"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><span class="nowrap">{{</span><a href="/wiki/Template:User_WikiProject_Geology" title="Template:User WikiProject Geology">User WikiProject Geology</a><span class="nowrap">}}</span><br/> </p> <div class="wikipediauserbox" style="float:left;border:1px solid maroon;margin:1px;width:238px"><table role="presentation" style="border-collapse:collapse;width:238px;margin-bottom:0;margin-top:0;background:tan;color:inherit"><tbody><tr><td style="border:0;width:45px;height:45px;background:black;text-align:center;font-size:14pt;font-weight:bold;color:maroon;padding:0 1px 0 0;line-height:1.25em;vertical-align:middle"><span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Jordens_inre.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/53/Jordens_inre.svg/45px-Jordens_inre.svg.png" decoding="async" width="45" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/53/Jordens_inre.svg/68px-Jordens_inre.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/53/Jordens_inre.svg/90px-Jordens_inre.svg.png 2x" data-file-width="800" data-file-height="800"/></a></span></td><td style="border:0;text-align:center;font-size:8pt;padding:0 4px 0 4px;height:45px;line-height:1.25em;color:maroon;vertical-align:middle">This user is a participant in<br/><b><a href="/wiki/Wikipedia:WikiProject_Geology" title="Wikipedia:WikiProject Geology"><span style="color:darkslategray;">WikiProject Geology</span></a></b>.</td></tr></tbody></table></div> <p><br clear="all"/> This will add you to <a href="/wiki/Category:WikiProject_Geology_participants" title="Category:WikiProject Geology participants">WikiProject Geology participants</a>. You can also just put [[Category:WikiProject Geology participants]] at the bottom of your userpage. </p> <div class="mw-heading mw-heading3"><h3 id="Barnstar" data-mw-thread-id="h-Barnstar-Project_Templates"><span data-mw-comment-start="" id="h-Barnstar-Project_Templates"></span>Barnstar<span data-mw-comment-end="h-Barnstar-Project_Templates"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=4" title="Edit section: Barnstar"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>For recognition of contributions to the Geology Wikiproject, place <code>{{<a href="/wiki/Template:The_Geology_Barnstar" title="Template:The Geology Barnstar">subst:The Geology Barnstar</a>|message|~~~~}}</code> on the recipient's talk page. It should look like this: </p> <table style="border: 1px solid gray; background-color: #fdffe7;"> <tbody><tr> <td rowspan="2" style="vertical-align:middle;"><span typeof="mw:File"><a href="/wiki/File:GeologicalStoneBarnstar.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/9/97/GeologicalStoneBarnstar.png" decoding="async" width="100" height="96" class="mw-file-element" data-file-width="100" data-file-height="96"/></a></span> </td> <td style="font-size: x-large; padding: 0; vertical-align: bottom; height: 1.1em;"><b>The Geology Barnstar</b> </td></tr> <tr> <td style="vertical-align: top; border-top: 1px solid gray;">message <small>name (talk) date/time</small> </td></tr></tbody></table> <p><br/> </p> <div class="mw-heading mw-heading3"><h3 id="Barnstar_2" data-mw-thread-id="h-Barnstar_2-Project_Templates"><span data-mw-comment-start="" id="h-Barnstar_2-Project_Templates"></span>Barnstar<span data-mw-comment-end="h-Barnstar_2-Project_Templates"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=5" title="Edit section: Barnstar"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>For recognition of contributions to the Geology Wikiproject, place <code>{{<a href="/wiki/Template:The_Mineralogy_Barnstar" title="Template:The Mineralogy Barnstar">subst:The Mineralogy Barnstar</a>|message|~~~~}}</code> on the recipient's talk page. It should look like this: </p> <table style="border: 1px solid gray; background-color: #fdffe7;"> <tbody><tr> <td rowspan="2" style="vertical-align:top;"><span typeof="mw:File"><a href="/wiki/File:The_Mineralogy_Barnstar.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/The_Mineralogy_Barnstar.jpg/100px-The_Mineralogy_Barnstar.jpg" decoding="async" width="100" height="95" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/The_Mineralogy_Barnstar.jpg/150px-The_Mineralogy_Barnstar.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bf/The_Mineralogy_Barnstar.jpg/200px-The_Mineralogy_Barnstar.jpg 2x" data-file-width="2000" data-file-height="1900"/></a></span> </td> <td rowspan="2"> </td> <td style="font-size: x-large; padding: 0; vertical-align: bottom; height: 1.1em;"><b>The Mineralogy Barnstar</b> </td></tr> <tr> <td style="vertical-align: top; border-top: 1px solid gray;">message <small>name (talk) date/time</small> </td></tr></tbody></table> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Article_templates" data-mw-thread-id="h-Article_templates"><span data-mw-comment-start="" id="h-Article_templates"></span>Article templates<span data-mw-comment-end="h-Article_templates"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=6" title="Edit section: Article templates"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Article_templates","replies":["h-Infoboxes,_navboxes_and_timelines-Article_templates","h-Stubs-Article_templates","h-Period_properties-Article_templates","h-Timeline_templates-Article_templates"]}}--></div> <div class="mw-heading mw-heading3"><h3 id="Infoboxes,_navboxes_and_timelines" data-mw-thread-id="h-Infoboxes,_navboxes_and_timelines-Article_templates"><span id="Infoboxes.2C_navboxes_and_timelines"></span><span data-mw-comment-start="" id="h-Infoboxes,_navboxes_and_timelines-Article_templates"></span>Infoboxes, navboxes and timelines<span data-mw-comment-end="h-Infoboxes,_navboxes_and_timelines-Article_templates"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=7" title="Edit section: Infoboxes, navboxes and timelines"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="nowrap">{{</span><a href="/wiki/Template:Infobox_Rockunit" class="mw-redirect" title="Template:Infobox Rockunit">Infobox Rockunit</a><span class="nowrap">}}</span> - for <a href="/wiki/Geological_formation" title="Geological formation">geological formations</a></li> <li><span class="nowrap">{{</span><a href="/wiki/Template:Infobox_geologic_timespan" title="Template:Infobox geologic timespan">Infobox geologic timespan</a><span class="nowrap">}}</span> - for the various kinds of geologic timespans</li> <li><span class="nowrap">{{</span><a href="/wiki/Template:Infobox_mineral" title="Template:Infobox mineral">Infobox mineral</a><span class="nowrap">}}</span> - for <a href="/wiki/Mineral" title="Mineral">minerals</a></li> <li><span class="nowrap">{{</span><a href="/wiki/Template:Geology" title="Template:Geology">Geology</a><span class="nowrap">}}</span> - navbox for geology-related articles</li> <li><span class="nowrap">{{</span><a href="/wiki/Template:Include_timeline" title="Template:Include timeline">Include timeline</a><span class="nowrap">}}</span> produces timelines like the ones you'll see at <a href="/wiki/Late_Devonian_extinction" title="Late Devonian extinction">Late Devonian extinction</a>.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Stubs" data-mw-thread-id="h-Stubs-Article_templates"><span data-mw-comment-start="" id="h-Stubs-Article_templates"></span>Stubs<span data-mw-comment-end="h-Stubs-Article_templates"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=8" title="Edit section: Stubs"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For a complete and up-to-date list, see <a href="/wiki/Category:Geology_stubs" title="Category:Geology stubs">Category:Geology stubs</a>.</div> <table class="wikitable"> <tbody><tr> <th>Template </th> <th>Result </th> <th>Usage </th></tr> <tr> <td><b><span class="nowrap">{{</span><a href="/wiki/Template:Geology-stub" title="Template:Geology-stub">geology-stub</a><span class="nowrap">}}</span></b> </td> <td><div class="boilerplate metadata" id="stub"><span typeof="mw:File"><a href="/wiki/File:Active_Margin.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/Active_Margin.svg/40px-Active_Margin.svg.png" decoding="async" width="40" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/Active_Margin.svg/60px-Active_Margin.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/29/Active_Margin.svg/80px-Active_Margin.svg.png 2x" data-file-width="512" data-file-height="287"/></a></span><i> This <a href="/wiki/Geology" title="Geology">geology</a> article is a <a href="/wiki/Wikipedia:Perfect_stub_article" class="mw-redirect" title="Wikipedia:Perfect stub article">stub</a>. You can <a href="/wiki/Wikipedia:Find_or_fix_a_stub" class="mw-redirect" title="Wikipedia:Find or fix a stub">help</a> the Wikiproject, <a href="/wiki/Wikipedia:WikiProject_Geology" title="Wikipedia:WikiProject Geology">WikiProject Geology</a>, by <span style="color:blue">expanding it</span></i>.</div> </td> <td>Generic geology stub template. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Crater-stub" title="Template:Crater-stub">crater-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Happy-face1.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Happy-face1.jpg/40px-Happy-face1.jpg" decoding="async" width="40" height="59" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Happy-face1.jpg/60px-Happy-face1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Happy-face1.jpg/80px-Happy-face1.jpg 2x" data-file-width="525" data-file-height="771"/></a></span></td><td><i> This article about an <a href="/wiki/Geological_features_of_the_solar_system" class="mw-redirect" title="Geological features of the solar system">extraterrestrial geological feature</a> is a <a href="/wiki/Wikipedia:Perfect_stub_article" class="mw-redirect" title="Wikipedia:Perfect stub article">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub articles relating to extraterrestrial geological features. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Geochronology-stub" title="Template:Geochronology-stub">geochronology-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Geological_time_spiral.png" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Geological_time_spiral.png/40px-Geological_time_spiral.png" decoding="async" width="40" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Geological_time_spiral.png/60px-Geological_time_spiral.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/Geological_time_spiral.png/80px-Geological_time_spiral.png 2x" data-file-width="2424" data-file-height="2145"/></a></span></td><td><i> This article about <a href="/wiki/Geochronology" title="Geochronology">geochronology</a> is a <a href="/wiki/Wikipedia:Perfect_stub_article" class="mw-redirect" title="Wikipedia:Perfect stub article">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for all things regarding geologic time. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Geologic-formation-stub" title="Template:Geologic-formation-stub">geologic-formation-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Rock_Strata.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Rock_Strata.jpg/40px-Rock_Strata.jpg" decoding="async" width="40" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Rock_Strata.jpg/60px-Rock_Strata.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Rock_Strata.jpg/80px-Rock_Strata.jpg 2x" data-file-width="640" data-file-height="480"/></a></span></td><td><i> This article about <a href="/wiki/Stratigraphy" title="Stratigraphy">stratigraphy</a> is a <a href="/wiki/Wikipedia:Perfect_stub_article" class="mw-redirect" title="Wikipedia:Perfect stub article">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for stratigraphic units. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Geologist-stub" title="Template:Geologist-stub">geologist-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate" id="stub"> <span typeof="mw:File"><a href="/wiki/File:WikiProject_Geology.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/25px-WikiProject_Geology.svg.png" decoding="async" width="25" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/38px-WikiProject_Geology.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/50px-WikiProject_Geology.svg.png 2x" data-file-width="327" data-file-height="328"/></a></span><i>This <a href="/wiki/Biography" title="Biography">biographical</a> article about a <a href="/wiki/Geologist" title="Geologist">geologist</a> is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Find_or_fix_a_stub" class="mw-redirect" title="Wikipedia:Find or fix a stub">help</a> the Wikiproject, <a href="/wiki/Wikipedia:WikiProject_Geology" title="Wikipedia:WikiProject Geology">WikiProject Geology</a>, by <span style="color:blue">expanding it</span></i>. </div> </td> <td>Stub articles relating to geologists. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Geomorph-stub" title="Template:Geomorph-stub">geomorph-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Alluvions-fr.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Alluvions-fr.svg/40px-Alluvions-fr.svg.png" decoding="async" width="40" height="29" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Alluvions-fr.svg/60px-Alluvions-fr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Alluvions-fr.svg/80px-Alluvions-fr.svg.png 2x" data-file-width="1789" data-file-height="1311"/></a></span></td><td><i> This article about <a href="/wiki/Geomorphology" title="Geomorphology">geomorphology</a> is a <a href="/wiki/Wikipedia:Perfect_stub_article" class="mw-redirect" title="Wikipedia:Perfect stub article">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for geomorphological features. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Geophysics-stub" title="Template:Geophysics-stub">geophysics-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:PdP.png" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/PdP.png/40px-PdP.png" decoding="async" width="40" height="21" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/PdP.png/60px-PdP.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/PdP.png/80px-PdP.png 2x" data-file-width="714" data-file-height="375"/></a></span></td><td><i> This <a href="/wiki/Geophysics" title="Geophysics">geophysics</a>-related article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub articles relating to geophysics. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Glaciology-stub" title="Template:Glaciology-stub">glaciology-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Franz_Josef_glacier.JPG" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Franz_Josef_glacier.JPG/40px-Franz_Josef_glacier.JPG" decoding="async" width="40" height="38" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Franz_Josef_glacier.JPG/60px-Franz_Josef_glacier.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/15/Franz_Josef_glacier.JPG/80px-Franz_Josef_glacier.JPG 2x" data-file-width="558" data-file-height="525"/></a></span></td><td><i> This <a href="/wiki/Glacier" title="Glacier">glacier</a>-related article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for all things connected to glaciers and glaciation. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Hydrology-stub" title="Template:Hydrology-stub">hydrology-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td></td><td><i> This <a href="/wiki/Hydrology" title="Hydrology">hydrology</a>-related article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for hydrology. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Mineral-stub" title="Template:Mineral-stub">mineral-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Top%C3%A1zioimperial.png" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Top%C3%A1zioimperial.png/40px-Top%C3%A1zioimperial.png" decoding="async" width="40" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Top%C3%A1zioimperial.png/60px-Top%C3%A1zioimperial.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Top%C3%A1zioimperial.png/80px-Top%C3%A1zioimperial.png 2x" data-file-width="257" data-file-height="161"/></a></span></td><td><i> This article about a specific <a href="/wiki/Mineral" title="Mineral">mineral</a>, <a href="/wiki/Mineraloid" title="Mineraloid">mineraloid</a>, or <a href="/wiki/Rock_(geology)" title="Rock (geology)">rock</a> type is a <a href="/wiki/Wikipedia:Perfect_stub_article" class="mw-redirect" title="Wikipedia:Perfect stub article">stub</a>. You can <a href="/wiki/Wikipedia:Find_or_fix_a_stub" class="mw-redirect" title="Wikipedia:Find or fix a stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub articles relating to minerals. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Mining-stub" title="Template:Mining-stub">mining-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Mining_symbol.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Mining_symbol.svg/40px-Mining_symbol.svg.png" decoding="async" width="40" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Mining_symbol.svg/60px-Mining_symbol.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Mining_symbol.svg/80px-Mining_symbol.svg.png 2x" data-file-width="679" data-file-height="655"/></a></span></td><td><i> This <a href="/wiki/Mining" title="Mining">mining</a>-related article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for mining. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Paleontologist-stub" title="Template:Paleontologist-stub">paleontologist-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Trilobite_under_magnifying_glass_icon.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Trilobite_under_magnifying_glass_icon.svg/40px-Trilobite_under_magnifying_glass_icon.svg.png" decoding="async" width="40" height="42" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Trilobite_under_magnifying_glass_icon.svg/60px-Trilobite_under_magnifying_glass_icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/81/Trilobite_under_magnifying_glass_icon.svg/80px-Trilobite_under_magnifying_glass_icon.svg.png 2x" data-file-width="436" data-file-height="462"/></a></span></td><td><i> This article about a <a href="/wiki/Paleontologist" class="mw-redirect" title="Paleontologist">paleontologist</a> is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for paleontologist. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Paleo-stub" title="Template:Paleo-stub">paleo-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Anning_plesiosaur.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Anning_plesiosaur.jpg/40px-Anning_plesiosaur.jpg" decoding="async" width="40" height="36" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Anning_plesiosaur.jpg/60px-Anning_plesiosaur.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Anning_plesiosaur.jpg/80px-Anning_plesiosaur.jpg 2x" data-file-width="770" data-file-height="692"/></a></span></td><td><i> This <a href="/wiki/Paleontology" title="Paleontology">paleontology</a> article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for paleontology. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Petroleum-stub" title="Template:Petroleum-stub">petroleum-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Oil_well.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Oil_well.jpg/40px-Oil_well.jpg" decoding="async" width="40" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Oil_well.jpg/60px-Oil_well.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Oil_well.jpg/80px-Oil_well.jpg 2x" data-file-width="640" data-file-height="480"/></a></span></td><td><i> This article related to natural gas, petroleum or the petroleum industry is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for all things oil and gas. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Petrology-stub" title="Template:Petrology-stub">petrology-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:SandstoneUSGOV.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/SandstoneUSGOV.jpg/40px-SandstoneUSGOV.jpg" decoding="async" width="40" height="32" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/SandstoneUSGOV.jpg/60px-SandstoneUSGOV.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/61/SandstoneUSGOV.jpg/80px-SandstoneUSGOV.jpg 2x" data-file-width="360" data-file-height="284"/></a></span></td><td><i> This article related to petrology is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for petrology </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Regional-geology-stub" title="Template:Regional-geology-stub">regional-geology-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Beachy_Head_and_Lighthouse,_East_Sussex,_England_-_April_2010_crop_horizon_corrected.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Beachy_Head_and_Lighthouse%2C_East_Sussex%2C_England_-_April_2010_crop_horizon_corrected.jpg/40px-Beachy_Head_and_Lighthouse%2C_East_Sussex%2C_England_-_April_2010_crop_horizon_corrected.jpg" decoding="async" width="40" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Beachy_Head_and_Lighthouse%2C_East_Sussex%2C_England_-_April_2010_crop_horizon_corrected.jpg/60px-Beachy_Head_and_Lighthouse%2C_East_Sussex%2C_England_-_April_2010_crop_horizon_corrected.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Beachy_Head_and_Lighthouse%2C_East_Sussex%2C_England_-_April_2010_crop_horizon_corrected.jpg/80px-Beachy_Head_and_Lighthouse%2C_East_Sussex%2C_England_-_April_2010_crop_horizon_corrected.jpg 2x" data-file-width="2584" data-file-height="1544"/></a></span></td><td><i> This article about a regional geological feature is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can<a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for regional geology. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Tectonics-stub" title="Template:Tectonics-stub">tectonics-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Geology_logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Geology_logo.svg/40px-Geology_logo.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Geology_logo.svg/60px-Geology_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/08/Geology_logo.svg/80px-Geology_logo.svg.png 2x" data-file-width="90" data-file-height="90"/></a></span></td><td><i> This <a href="/wiki/Tectonics" title="Tectonics">tectonics</a> article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can<a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for tectonics and structural geology. </td></tr> <tr> <td><span class="nowrap">{{</span><a href="/wiki/Template:Volcanology-stub" title="Template:Volcanology-stub">volcanology-stub</a><span class="nowrap">}}</span> </td> <td><div class="boilerplate metadata" id="stub"><table cellpadding="0" cellspacing="0" style="background-color: transparent;"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/File:Volcano_scheme.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/Volcano_scheme.svg/40px-Volcano_scheme.svg.png" decoding="async" width="40" height="42" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/Volcano_scheme.svg/60px-Volcano_scheme.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/97/Volcano_scheme.svg/80px-Volcano_scheme.svg.png 2x" data-file-width="1099" data-file-height="1149"/></a></span></td><td><i> This <a href="/wiki/Volcanology" title="Volcanology">volcanology</a> article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">help</a> Wikipedia by <span style="color:blue">expanding it</span></i>.</td></tr></tbody></table></div> </td> <td>Stub template for volcanoes. </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Period_properties" data-mw-thread-id="h-Period_properties-Article_templates"><span data-mw-comment-start="" id="h-Period_properties-Article_templates"></span>Period properties<span data-mw-comment-end="h-Period_properties-Article_templates"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=9" title="Edit section: Period properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable selfref">See also: <a href="/wiki/Category:Geological_period_templates" title="Category:Geological period templates">Category:Geological period templates</a></div> <p>Because details of periods are continually being refined, it is simpler to maintain a central list of dates, called by each article, than to amend every article individually when things change. It also saves having to look dates etc up each time! </p> <ul><li><span class="nowrap">{{</span><a href="/wiki/Template:Period_start" title="Template:Period start">Period start</a><span class="nowrap">}}</span> and <span class="nowrap">{{</span><a href="/wiki/Template:Period_end" title="Template:Period end">Period end</a><span class="nowrap">}}</span> return the date a period begins or ends in Ma.</li> <li><span class="nowrap">{{</span><a href="/wiki/Template:Ma" title="Template:Ma">Ma</a><span class="nowrap">}}</span> returns the same, with a wikilink to the geological time scale. e.g. {{Ma|Cambrian}}.</li> <li><span class="nowrap">{{</span><a href="/wiki/Template:Period_color" title="Template:Period color">Period color</a><span class="nowrap">}}</span> returns the colour associated with a geological period (as determined by the IGU).</li></ul> <p><br/> </p> <div class="mw-heading mw-heading3"><h3 id="Timeline_templates" data-mw-thread-id="h-Timeline_templates-Article_templates"><span data-mw-comment-start="" id="h-Timeline_templates-Article_templates"></span>Timeline templates<span data-mw-comment-end="h-Timeline_templates-Article_templates"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=10" title="Edit section: Timeline templates"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Phanerozoic_time_line" title="Wikipedia:WikiProject Palaeontology/Phanerozoic time line">Wikipedia:WikiProject Palaeontology/Phanerozoic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Devonian-Carboniferous_time_line" title="Wikipedia:WikiProject Palaeontology/Devonian-Carboniferous time line">Wikipedia:WikiProject Palaeontology/Devonian-Carboniferous time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Devonian_time_line" title="Wikipedia:WikiProject Palaeontology/Devonian time line">Wikipedia:WikiProject Palaeontology/Devonian time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Paleozoic-Mesozoic_time_line" title="Wikipedia:WikiProject Palaeontology/Paleozoic-Mesozoic time line">Wikipedia:WikiProject Palaeontology/Paleozoic-Mesozoic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Permian-Mesozoic_time_line" title="Wikipedia:WikiProject Palaeontology/Permian-Mesozoic time line">Wikipedia:WikiProject Palaeontology/Permian-Mesozoic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Permian-Triassic_time_line" title="Wikipedia:WikiProject Palaeontology/Permian-Triassic time line">Wikipedia:WikiProject Palaeontology/Permian-Triassic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Mesozoic_time_line" title="Wikipedia:WikiProject Palaeontology/Mesozoic time line">Wikipedia:WikiProject Palaeontology/Mesozoic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Mesozoic-Cenozoic_time_line" title="Wikipedia:WikiProject Palaeontology/Mesozoic-Cenozoic time line">Wikipedia:WikiProject Palaeontology/Mesozoic-Cenozoic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Triassic_time_line" title="Wikipedia:WikiProject Palaeontology/Triassic time line">Wikipedia:WikiProject Palaeontology/Triassic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Jurassic_time_line" title="Wikipedia:WikiProject Palaeontology/Jurassic time line">Wikipedia:WikiProject Palaeontology/Jurassic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Cretaceous_time_line" title="Wikipedia:WikiProject Palaeontology/Cretaceous time line">Wikipedia:WikiProject Palaeontology/Cretaceous time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Cretaceous-Cenozoic_time_line" title="Wikipedia:WikiProject Palaeontology/Cretaceous-Cenozoic time line">Wikipedia:WikiProject Palaeontology/Cretaceous-Cenozoic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Cenozoic_time_line" title="Wikipedia:WikiProject Palaeontology/Cenozoic time line">Wikipedia:WikiProject Palaeontology/Cenozoic time line</a></li> <li><a href="/wiki/Wikipedia:WikiProject_Palaeontology/Paleogene_time_line" title="Wikipedia:WikiProject Palaeontology/Paleogene time line">Wikipedia:WikiProject Palaeontology/Paleogene time line</a></li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Guidelines" data-mw-thread-id="h-Guidelines"><span data-mw-comment-start="" id="h-Guidelines"></span>Guidelines<span data-mw-comment-end="h-Guidelines"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=11" title="Edit section: Guidelines"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Guidelines","replies":[]}}--></div> <ul><li>See <a href="/wiki/Wikipedia:Guide_to_writing_better_articles" class="mw-redirect" title="Wikipedia:Guide to writing better articles">Wikipedia:Guide to writing better articles</a>.</li> <li><a rel="nofollow" class="external text" href="https://www.nwrc.usgs.gov/lib/lib_sta.htm">Suggestions to Authors of the Reports of the United States Geological Survey</a> (otherwise known as STA) is the style guide used at the <a href="/wiki/USGS" class="mw-redirect" title="USGS">USGS</a>. Not Wikipedia-oriented, of course, but very useful for those puzzles involving English phrases and grammar peculiar to the earth sciences.</li> <li><a href="/wiki/Wikipedia:Wikiproject_Geology/Notability" title="Wikipedia:Wikiproject Geology/Notability">Wikipedia:Wikiproject Geology/Notability</a> is an essay on how notability, reliability, and due weight may be applied to articles on geologic topics.</li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Information_sources" data-mw-thread-id="h-Information_sources"><span data-mw-comment-start="" id="h-Information_sources"></span>Information sources<span data-mw-comment-end="h-Information_sources"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;action=edit&amp;section=12" title="Edit section: Information sources"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Information_sources","replies":[]}}--></div> <ul><li><a rel="nofollow" class="external text" href="http://stratigraphy.science.purdue.edu/">ICS Subcommission for Stratigraphic Information</a></li> <li><a rel="nofollow" class="external text" href="http://stratigraphy.science.purdue.edu/resources/geowhen/">GeoWhen Database</a></li> <li><a rel="nofollow" class="external text" href="http://www.mindat.org/index.php">Mindat Mineral Database</a></li> <li><a rel="nofollow" class="external text" href="http://www.webmineral.com/">Webmineral Mineral Database</a></li> <li><a rel="nofollow" class="external text" href="http://www2.odl.ox.ac.uk/gsdl/cgi-bin/library?a=q&amp;r=1&amp;hs=1&amp;e=q-000-00---0munahi10--00-0-0-0prompt-10---4------0-1l--1-en-50---20-about---00001-001-1-1utfZz-8-0&amp;h=&amp;t=1&amp;q=">Oxford Digital Library of Key Historical Geological Texts</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Wikipedia_help_pages2185" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align:center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Wikipedia_help_pages" title="Template:Wikipedia help pages"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Wikipedia_help_pages" title="Template talk:Wikipedia help pages"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Wikipedia_help_pages" title="Special:EditPage/Template:Wikipedia help pages"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Wikipedia_help_pages2185" style="font-size:114%;margin:0 4em"><a href="/wiki/Help:Directory" title="Help:Directory">Wikipedia help pages</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align:center;"><div> <ul><li><b>Visit the <i><a href="/wiki/Wikipedia:Teahouse" title="Wikipedia:Teahouse">Teahouse</a></i> or the <i><a href="/wiki/Wikipedia:Help_desk" title="Wikipedia:Help desk">Help desk</a></i> for an interactive <abbr title="questions and answers">Q &amp; A</abbr> forum.</b></li></ul> <hr/> <ul><li><b><a href="/wiki/Wikipedia:FAQ" title="Wikipedia:FAQ">FAQs</a></b> <b><abbr title="This is a list of frequently asked questions about using and contributing to Wikipedia.">(?)</abbr></b></li> <li><b><a href="/wiki/Wikipedia:Reference_desk" title="Wikipedia:Reference desk">Reference desks</a></b> <b><abbr title="Works like a library reference desk. Ask a question here and Wikipedia volunteers will try to answer it.">(?)</abbr></b></li> <li><b><a href="/wiki/Wikipedia:Noticeboards" title="Wikipedia:Noticeboards">Noticeboards</a></b> <b><abbr title="Pages where editors can ask questions and request assistance from people who are familiar with the policies and guidelines covered by each individual board.">(?)</abbr></b></li> <li><b><a href="/wiki/Help:Cheatsheet" title="Help:Cheatsheet">Cheatsheet</a></b> <b><abbr title="For a list of the most commonly used Wiki markup and templates.">(?)</abbr></b></li> <li><b> <a href="/wiki/Wikipedia:Directories_and_indexes" title="Wikipedia:Directories and indexes">Directories</a></b> <b><abbr title="For a list of Wikipedia's directories and indexes.">(?)</abbr></b></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Wikipedia:About" title="Wikipedia:About">About Wikipedia</a> <abbr title="Wikipedia's governess and customs">(?)</abbr></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Administration" title="Wikipedia:Administration">Administration</a> <ul><li><a href="/wiki/Wikipedia:Purpose" title="Wikipedia:Purpose">Purpose</a></li> <li><a href="/wiki/Wikipedia:Five_pillars" title="Wikipedia:Five pillars">Principles</a></li></ul></li> <li><a href="/wiki/Wikipedia:Policies_and_guidelines" title="Wikipedia:Policies and guidelines">Policies and guidelines</a></li> <li><a href="/wiki/Wikipedia:What_Wikipedia_is_not" title="Wikipedia:What Wikipedia is not">What Wikipedia is not</a></li> <li><a href="/wiki/Wikipedia:General_disclaimer" title="Wikipedia:General disclaimer">Disclaimer</a> (<a href="/wiki/Wikipedia:Advice_for_parents" title="Wikipedia:Advice for parents">parental advice</a>)</li> <li><a href="/wiki/Wikipedia:Request_directory" title="Wikipedia:Request directory">Making requests</a></li> <li><a href="/wiki/Wikipedia:Who_writes_Wikipedia%3F" title="Wikipedia:Who writes Wikipedia?">Who writes Wikipedia?</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Wikipedia:Reader%27s_index_to_Wikipedia" title="Wikipedia:Reader's index to Wikipedia">Help for readers</a> <abbr title="Concerns and questions readers may have about Wikipedia">(?)</abbr></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:FAQ/Readers" title="Wikipedia:FAQ/Readers">FAQ</a></li> <li><a href="/wiki/Wikipedia:Wikipedia_book_creator_status" class="mw-redirect" title="Wikipedia:Wikipedia book creator status">Books</a></li> <li><a href="/wiki/Help:Copyright" title="Help:Copyright">Copyright</a></li> <li><a href="/wiki/Help:Glossary" class="mw-redirect" title="Help:Glossary">Glossary</a></li> <li><a href="/wiki/Help:Mobile_access" title="Help:Mobile access">Mobile access</a></li> <li><a href="/wiki/Help:Navigation" title="Help:Navigation">Navigation</a></li> <li><a href="/wiki/Help:Other_languages" title="Help:Other languages">Other languages</a></li> <li><a href="/wiki/Help:Searching" title="Help:Searching">Searching</a></li> <li><a href="/wiki/Help:Student_help" title="Help:Student help">Students</a></li> <li><a href="/wiki/Help:Viewing_media" title="Help:Viewing media">Viewing media</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Wikipedia:Contributing_to_Wikipedia" title="Wikipedia:Contributing to Wikipedia">Contributing<br/>to Wikipedia</a> <abbr title="Overviews and resources needed to comprehend, comment on, and edit">(?)</abbr></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Guidance_for_younger_editors" title="Wikipedia:Guidance for younger editors">Advice for young editors</a></li> <li><a href="/wiki/Wikipedia:Avoiding_common_mistakes" title="Wikipedia:Avoiding common mistakes">Avoiding common mistakes</a></li> <li><a href="/wiki/Wikipedia:Etiquette" title="Wikipedia:Etiquette">Etiquette</a></li> <li><a href="/wiki/Wikipedia:Simplified_Manual_of_Style" title="Wikipedia:Simplified Manual of Style">Simplified Manual of Style</a></li> <li><a href="/wiki/Wikipedia:Simplified_ruleset" title="Wikipedia:Simplified ruleset">Simplified rule-set</a> <ul><li><a href="/wiki/Wikipedia:Ignore_all_rules" title="Wikipedia:Ignore all rules">"Ignore all rules"</a></li> <li><a href="/wiki/Wikipedia:The_rules_are_principles" title="Wikipedia:The rules are principles">"The rules are principles"</a></li></ul></li> <li><a href="/wiki/Wikipedia:Styletips" title="Wikipedia:Styletips">Style-tips</a></li> <li><a href="/wiki/Wikipedia:Tip_of_the_day" title="Wikipedia:Tip of the day">Tip of the day</a></li> <li><a href="/wiki/Help:Your_first_article" title="Help:Your first article">Your first article</a> (<a href="/wiki/Wikipedia:Article_wizard" title="Wikipedia:Article wizard">article wizard</a>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Help:Getting_started" title="Help:Getting started">Getting started</a> <abbr title="Introductions and tutorials">(?)</abbr></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Why_create_an_account%3F" title="Wikipedia:Why create an account?">Why create an account?</a></li> <li><a href="/wiki/Help:Introduction" title="Help:Introduction">Introductions by topic</a></li> <li><a href="/wiki/Wikipedia:Graphics_tutorials" title="Wikipedia:Graphics tutorials">Graphics tutorials</a> <ul><li><a href="/wiki/Help:Pictures" title="Help:Pictures">Picture tutorial</a></li> <li><a href="/wiki/Wikipedia:IRC/Tutorial" title="Wikipedia:IRC/Tutorial">IRC <span style="font-size:85%;">(live chat)</span> tutorial</a></li></ul></li> <li><a href="/wiki/Wikipedia:VisualEditor/User_guide" class="mw-redirect" title="Wikipedia:VisualEditor/User guide">VisualEditor user guide</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Wikipedia:Dos_and_don%27ts" title="Wikipedia:Dos and don'ts">Dos and don'ts</a> <abbr title="Wikipedia policies, guidelines, and formatting standards in bullet points">(?)</abbr></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Accessibility_dos_and_don%27ts" title="Wikipedia:Accessibility dos and don'ts">Accessibility</a></li> <li><a href="/wiki/Wikipedia:Biography_dos_and_don%27ts" title="Wikipedia:Biography dos and don'ts">Biographies</a></li> <li><a href="/wiki/Wikipedia:Biographies_of_living_persons_dos_and_don%27ts" title="Wikipedia:Biographies of living persons dos and don'ts">Biographies (living)</a></li> <li><a href="/wiki/Wikipedia:Categorization_dos_and_don%27ts" title="Wikipedia:Categorization dos and don'ts">Categorization</a></li> <li><a href="/wiki/Wikipedia:Consensus_dos_and_don%27ts" title="Wikipedia:Consensus dos and don'ts">Consensus</a></li> <li><a href="/wiki/Wikipedia:Talk_dos_and_don%27ts" title="Wikipedia:Talk dos and don'ts">Discussions</a></li> <li><a href="/wiki/Wikipedia:Disambiguation_dos_and_don%27ts" title="Wikipedia:Disambiguation dos and don'ts">Disambiguation</a></li> <li><a href="/wiki/Wikipedia:Image_dos_and_don%27ts" title="Wikipedia:Image dos and don'ts">Images</a></li> <li><a href="/wiki/Wikipedia:Lead_dos_and_don%27ts" title="Wikipedia:Lead dos and don'ts">Leads</a></li> <li><a href="/wiki/Wikipedia:Linking_dos_and_don%27ts" title="Wikipedia:Linking dos and don'ts">Links</a></li> <li><a href="/wiki/Wikipedia:List_dos_and_don%27ts" title="Wikipedia:List dos and don'ts">Lists</a></li> <li><a href="/wiki/Wikipedia:References_dos_and_don%27ts" title="Wikipedia:References dos and don'ts">References</a></li> <li><a href="/wiki/Wikipedia:Table_dos_and_don%27ts" title="Wikipedia:Table dos and don'ts">Tables</a></li> <li><a href="/wiki/Wikipedia:Article_title_dos_and_don%27ts" title="Wikipedia:Article title dos and don'ts">Titles (of articles)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Category:Wikipedia_how-to" title="Category:Wikipedia how-to">How-to pages</a> and<br/><a href="/wiki/Category:Wikipedia_information_pages" title="Category:Wikipedia information pages">information pages</a> <abbr title="Topic specific informative and instructional pages">(?)</abbr></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Guide_to_appealing_blocks" title="Wikipedia:Guide to appealing blocks">Appealing blocks</a></li> <li><a href="/wiki/Wikipedia:Guide_to_deletion" title="Wikipedia:Guide to deletion">Article deletion</a></li> <li><a href="/wiki/Help:Category" title="Help:Category">Categories</a></li> <li><a href="/wiki/Help:Citations_quick_reference" title="Help:Citations quick reference">Citations/references</a> <ul><li><a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">Referencing for beginners</a></li> <li><a href="/wiki/Help:Citation_Style_1" title="Help:Citation Style 1">Citation Style 1</a></li> <li><a href="/wiki/Help:Cite_errors" title="Help:Cite errors">Cite errors</a></li> <li><a href="/wiki/Help:References_and_page_numbers" title="Help:References and page numbers">References and page numbers</a></li></ul></li> <li><a href="/wiki/Help:Convert" title="Help:Convert">Convert</a></li> <li><a href="/wiki/Help:Diff" title="Help:Diff">Diff</a></li> <li><a href="/wiki/Help:Editing" title="Help:Editing">Editing</a> <ul><li><a href="/wiki/Help:Minor_edit" title="Help:Minor edit">Minor edit</a></li> <li><a href="/wiki/Help:Edit_toolbar" title="Help:Edit toolbar">toolbar</a></li> <li><a href="/wiki/Help:Edit_conflict" title="Help:Edit conflict">edit conflict</a></li></ul></li> <li><a href="/wiki/Help:Find_sources" title="Help:Find sources">Find sources</a></li> <li><a href="/wiki/Help:Files" title="Help:Files">Files</a></li> <li><a href="/wiki/Help:Footnotes" title="Help:Footnotes">Footnotes</a></li> <li><a href="/wiki/Wikipedia:Guide_to_image_deletion" title="Wikipedia:Guide to image deletion">Image deletion</a></li> <li><a href="/wiki/Help:Infobox" title="Help:Infobox">Infoboxes</a></li> <li><a href="/wiki/Help:Link" title="Help:Link">Linking</a> (<a href="/wiki/Help:Link_color" title="Help:Link color">link color</a>)</li> <li><a href="/wiki/Help:Logging_in" title="Help:Logging in">Logging in</a></li> <li><a href="/wiki/Wikipedia:Merging" title="Wikipedia:Merging">Merging</a></li> <li><a href="/wiki/Help:Page_name" title="Help:Page name">Page name</a> <ul><li><a href="/wiki/Help:How_to_move_a_page" title="Help:How to move a page">Renaming pages</a></li></ul></li> <li><a href="/wiki/Help:Redirect" title="Help:Redirect">Redirect</a></li> <li><a href="/wiki/Help:Reset_password" title="Help:Reset password">Passwords</a> <ul><li><a href="/wiki/Help:Email_confirmation" title="Help:Email confirmation">Email confirmation</a></li></ul></li> <li><a href="/wiki/Help:Reverting" title="Help:Reverting">Reverting</a> <ul><li><a href="/wiki/Help:Simple_guide_to_vandalism_cleanup" title="Help:Simple guide to vandalism cleanup">Simple vandalism cleanup</a></li></ul></li> <li><a href="/wiki/Help:Talk_pages" title="Help:Talk pages">Talk pages</a> (<a href="/wiki/Help:Archiving_a_talk_page" title="Help:Archiving a talk page">archiving</a></li> <li><a href="/wiki/Help:Archiving_(plain_and_simple)" title="Help:Archiving (plain and simple)">simple archiving</a>)</li> <li><a href="/wiki/Help:User_contributions" title="Help:User contributions">User contributions</a></li> <li><a href="/wiki/Help:WP_search_protocol" title="Help:WP search protocol">WP search protocol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Wiki_markup" class="mw-redirect" title="Wiki markup">Coding</a> <abbr title="Wikitext information consists of the syntax used to format a page">(?)</abbr></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Help:Wikitext" title="Help:Wikitext">Wiki markup</a></li> <li><a href="/wiki/Help:Barchart" title="Help:Barchart">Barcharts</a></li> <li><a href="/wiki/Help:Calculation" title="Help:Calculation">Calculations</a></li> <li><a href="/wiki/Help:Special_characters" title="Help:Special characters">Characters</a></li> <li><a href="/wiki/Help:Columns" title="Help:Columns">Columns</a></li> <li><a href="/wiki/Help:Elevation" title="Help:Elevation">Elevation</a></li> <li><a href="/wiki/Wikipedia:Manual_of_Style/Hidden_text" title="Wikipedia:Manual of Style/Hidden text">Hidden text</a></li> <li><a href="/wiki/Help:HTML_in_wikitext" title="Help:HTML in wikitext">HTML</a></li> <li><a href="/wiki/Help:List" title="Help:List">Lists</a></li> <li><a href="/wiki/Help:Magic_words" title="Help:Magic words">Magic words</a></li> <li><a href="/wiki/Help:Musical_symbols" title="Help:Musical symbols">Music symbols</a></li> <li><a href="/wiki/Help:Section" title="Help:Section">Sections</a></li> <li><a href="/wiki/Help:Sound_file_markup" title="Help:Sound file markup">Sounds</a></li> <li><a href="/wiki/Help:Table" title="Help:Table">Tables</a></li> <li><a href="/wiki/Help:Template" title="Help:Template">Templates</a></li> <li><a href="/wiki/Wikipedia:Transclusion" class="mw-redirect" title="Wikipedia:Transclusion">Transclusion</a></li> <li><a href="/wiki/Help:URL" title="Help:URL">URL</a></li> <li><a href="/wiki/Help:Visual_file_markup" title="Help:Visual file markup">Visual files</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Wikipedia:Directories_and_indexes" title="Wikipedia:Directories and indexes">Directories</a> <abbr title="Wikipedia's directories and indexes">(?)</abbr></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Wikipedia_abbreviations" title="Wikipedia:Wikipedia abbreviations">Abbreviations</a></li> <li><a href="/wiki/Wikipedia:Contents" title="Wikipedia:Contents">Contents</a> <small>(Encyclopedia proper)</small></li> <li><a href="/wiki/Wikipedia:Department_directory" title="Wikipedia:Department directory">Departments</a></li> <li><a href="/wiki/Wikipedia:Editor%27s_index_to_Wikipedia" title="Wikipedia:Editor's index to Wikipedia">Editor's index</a></li> <li><a href="/wiki/Wikipedia:Essay_directory" title="Wikipedia:Essay directory">Essays</a></li> <li><a href="/wiki/Wikipedia:FAQ/Index" class="mw-redirect" title="Wikipedia:FAQ/Index">FAQs</a></li> <li><a href="/wiki/Wikipedia:Glossary" title="Wikipedia:Glossary">Glossary</a></li> <li><a href="/wiki/Wikipedia:List_of_guidelines" title="Wikipedia:List of guidelines">Guidelines</a></li> <li><a href="/wiki/Wikipedia:Manual_of_Style/Contents" title="Wikipedia:Manual of Style/Contents">Manual of Style </a></li> <li><a href="/wiki/Wikipedia:List_of_policies" title="Wikipedia:List of policies">Policies</a></li> <li><a href="/wiki/Wikipedia:Maintenance" title="Wikipedia:Maintenance">Tasks</a></li> <li><a href="/wiki/Wikipedia:Tips" title="Wikipedia:Tips">Tips</a></li> <li><a href="/wiki/Wikipedia:Tools" title="Wikipedia:Tools">Tools</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align:center;"><div><b> <a href="/wiki/Help:Wikipedia:_The_Missing_Manual" title="Help:Wikipedia: The Missing Manual">Missing Manual</a></b> <hr/> <span class="noprint plainlinks" title="Edit Special:MyTalk"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:MyTalk&amp;action=edit&amp;section=new&amp;preload=Help:Contents/helpmepreload&amp;preloadtitle=Help+me%21"><b>Ask for help on your talk page</b></a></span> <b><abbr title="If you need help, you can use this link to ask a question on your talk page; a volunteer will visit you there shortly!">(?)</abbr></b></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"></div><div role="navigation" class="navbox" aria-labelledby="Wikipedia_key_policies_and_guidelines_(?)1890" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align: center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Wikipedia_policies_and_guidelines" title="Template:Wikipedia policies and guidelines"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Wikipedia_policies_and_guidelines" title="Template talk:Wikipedia policies and guidelines"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Wikipedia_policies_and_guidelines" title="Special:EditPage/Template:Wikipedia policies and guidelines"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Wikipedia_key_policies_and_guidelines_(?)1890" style="font-size:114%;margin:0 4em">Wikipedia key <a href="/wiki/Wikipedia:Policies_and_guidelines" title="Wikipedia:Policies and guidelines">policies and guidelines</a> <span class="rt-commentedText tooltip tooltip-dotted" title="Wikipedia's policies and guidelines are developed by the community to describe best practices, clarify principles, resolve conflicts, and otherwise further our goal.">(?)</span></div></th></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div> <ul><li><b><a href="/wiki/Wikipedia:Five_pillars" title="Wikipedia:Five pillars">Five pillars</a></b> <ul><li><b><a href="/wiki/Wikipedia:Ignore_all_rules" title="Wikipedia:Ignore all rules">Ignore all rules</a></b></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:6.9em;text-align:left;">Content <span class="rt-commentedText tooltip tooltip-dotted" title="defines the scope of the encyclopedia and the material that is suitable for it">(?)</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;"><b><span style="color:#118811;"><abbr title="Policies"><span style="font-size:120%">P</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">Verifiability</a></li> <li><a href="/wiki/Wikipedia:No_original_research" title="Wikipedia:No original research">No original research</a></li> <li><a href="/wiki/Wikipedia:Neutral_point_of_view" title="Wikipedia:Neutral point of view">Neutral point of view</a></li> <li><a href="/wiki/Wikipedia:What_Wikipedia_is_not" title="Wikipedia:What Wikipedia is not">What Wikipedia is not</a></li> <li><a href="/wiki/Wikipedia:Biographies_of_living_persons" title="Wikipedia:Biographies of living persons">Biographies of living persons</a></li> <li><a href="/wiki/Wikipedia:Copyrights" title="Wikipedia:Copyrights">Copyright</a> (<a href="/wiki/Wikipedia:Copyright_violations" title="Wikipedia:Copyright violations">Copyright violations</a>)</li> <li><a href="/wiki/Wikipedia:Image_use_policy" title="Wikipedia:Image use policy">Image use</a></li> <li><a href="/wiki/Wikipedia:Article_titles" title="Wikipedia:Article titles">Article titles</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;"><b><span style="color:#0077A4;"><abbr title="Guidelines"><span style="font-size:120%">G</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Notability" title="Wikipedia:Notability">Notability</a></li> <li><a href="/wiki/Wikipedia:Autobiography" title="Wikipedia:Autobiography">Autobiography</a></li> <li><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">Citing sources</a></li> <li><a href="/wiki/Wikipedia:Reliable_sources" title="Wikipedia:Reliable sources">Reliable sources</a> <ul><li><a href="/wiki/Wikipedia:Identifying_reliable_sources_(medicine)" title="Wikipedia:Identifying reliable sources (medicine)">Medicine</a></li></ul></li> <li><a href="/wiki/Wikipedia:Do_not_include_the_full_text_of_lengthy_primary_sources" title="Wikipedia:Do not include the full text of lengthy primary sources">Do not include copies of lengthy primary sources</a></li> <li><a href="/wiki/Wikipedia:Plagiarism" title="Wikipedia:Plagiarism">Plagiarism</a></li> <li><a href="/wiki/Wikipedia:Do_not_create_hoaxes" title="Wikipedia:Do not create hoaxes">Don't create hoaxes</a></li> <li><a href="/wiki/Wikipedia:Fringe_theories" title="Wikipedia:Fringe theories">Fringe theories</a></li> <li><a href="/wiki/Wikipedia:Patent_nonsense" title="Wikipedia:Patent nonsense">Patent nonsense</a></li> <li><a href="/wiki/Wikipedia:External_links" title="Wikipedia:External links">External links</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:6.9em;text-align:left;">Conduct <span class="rt-commentedText tooltip tooltip-dotted" title="describes how editors can successfully collaborate and what behavior is acceptable">(?)</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;"><b><span style="color:#118811;"><abbr title="Policies"><span style="font-size:120%">P</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Civility" title="Wikipedia:Civility">Civility</a></li> <li><a href="/wiki/Wikipedia:Consensus" title="Wikipedia:Consensus">Consensus</a></li> <li><a href="/wiki/Wikipedia:Harassment" title="Wikipedia:Harassment">Harassment</a></li> <li><a href="/wiki/Wikipedia:Vandalism" title="Wikipedia:Vandalism">Vandalism</a></li> <li><a href="/wiki/Wikipedia:Ignore_all_rules" title="Wikipedia:Ignore all rules">Ignore all rules</a></li> <li><a href="/wiki/Wikipedia:No_personal_attacks" title="Wikipedia:No personal attacks">No personal attacks</a></li> <li><a href="/wiki/Wikipedia:Ownership_of_content" title="Wikipedia:Ownership of content">Ownership of content</a></li> <li><a href="/wiki/Wikipedia:Edit_warring" title="Wikipedia:Edit warring">Edit warring</a></li> <li><a href="/wiki/Wikipedia:Dispute_resolution" title="Wikipedia:Dispute resolution">Dispute resolution</a></li> <li><a href="/wiki/Wikipedia:Sockpuppetry" title="Wikipedia:Sockpuppetry">Sockpuppetry</a></li> <li><a href="/wiki/Wikipedia:No_legal_threats" title="Wikipedia:No legal threats">No legal threats</a></li> <li><a href="/wiki/Wikipedia:Child_protection" title="Wikipedia:Child protection">Child protection</a></li> <li><a href="/wiki/Wikipedia:Paid-contribution_disclosure" title="Wikipedia:Paid-contribution disclosure">Paid-contribution disclosure</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;"><b><span style="color:#0077A4;"><abbr title="Guidelines"><span style="font-size:120%">G</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Assume_good_faith" title="Wikipedia:Assume good faith">Assume good faith</a></li> <li><a href="/wiki/Wikipedia:Conflict_of_interest" title="Wikipedia:Conflict of interest">Conflict of interest</a></li> <li><a href="/wiki/Wikipedia:Disruptive_editing" title="Wikipedia:Disruptive editing">Disruptive editing</a></li> <li><a href="/wiki/Wikipedia:Do_not_disrupt_Wikipedia_to_illustrate_a_point" title="Wikipedia:Do not disrupt Wikipedia to illustrate a point">Do not disrupt Wikipedia to illustrate a point</a></li> <li><a href="/wiki/Wikipedia:Etiquette" title="Wikipedia:Etiquette">Etiquette</a></li> <li><a href="/wiki/Wikipedia:Gaming_the_system" title="Wikipedia:Gaming the system">Gaming the system</a></li> <li><a href="/wiki/Wikipedia:Please_do_not_bite_the_newcomers" title="Wikipedia:Please do not bite the newcomers">Please do not bite the newcomers</a></li> <li><a href="/wiki/Wikipedia:Courtesy_vanishing" title="Wikipedia:Courtesy vanishing">Courtesy vanishing</a></li> <li><a href="/wiki/Wikipedia:Responding_to_threats_of_harm" title="Wikipedia:Responding to threats of harm">Responding to threats of harm</a></li> <li><a href="/wiki/Wikipedia:Talk_page_guidelines" title="Wikipedia:Talk page guidelines">Talk page guidelines</a> <ul><li><a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">Signatures</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:6.9em;text-align:left;">Deletion <span class="rt-commentedText tooltip tooltip-dotted" title="explains the processes by which pages, revisions, and logs may be deleted">(?)</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="P529" scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;"><b><span style="color:#118811;"><abbr title="Policies"><span style="font-size:120%">P</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Deletion_policy" title="Wikipedia:Deletion policy">Deletion policy</a></li> <li><a href="/wiki/Wikipedia:Proposed_deletion" title="Wikipedia:Proposed deletion">Proposed deletion</a> <ul><li><a href="/wiki/Wikipedia:Proposed_deletion_of_biographies_of_living_people" title="Wikipedia:Proposed deletion of biographies of living people">Biographies</a></li></ul></li> <li><a href="/wiki/Wikipedia:Speedy_deletion" title="Wikipedia:Speedy deletion">Speedy deletion</a></li> <li><a href="/wiki/Wikipedia:Attack_page" title="Wikipedia:Attack page">Attack page</a></li> <li><a href="/wiki/Wikipedia:Oversight" title="Wikipedia:Oversight">Oversight</a></li> <li><a href="/wiki/Wikipedia:Revision_deletion" title="Wikipedia:Revision deletion">Revision deletion</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:6.9em;text-align:left;">Enforcement <span class="rt-commentedText tooltip tooltip-dotted" title="explains the various means by which standards may be enforced">(?)</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="P350" scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;"><b><span style="color:#118811;"><abbr title="Policies"><span style="font-size:120%">P</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Administrators" title="Wikipedia:Administrators">Administrators</a></li> <li><a href="/wiki/Wikipedia:Banning_policy" title="Wikipedia:Banning policy">Banning</a></li> <li><a href="/wiki/Wikipedia:Blocking_policy" title="Wikipedia:Blocking policy">Blocking</a></li> <li><a href="/wiki/Wikipedia:Protection_policy" title="Wikipedia:Protection policy">Page protection</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:6.9em;text-align:left;">Editing <span class="rt-commentedText tooltip tooltip-dotted" title="documents the various protocols about style and grouping">(?)</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;"><b><span style="color:#118811;"><abbr title="Policies"><span style="font-size:120%">P</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Editing_policy" title="Wikipedia:Editing policy">Editing policy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;"><b><span style="color:#0077A4;"><abbr title="Guidelines"><span style="font-size:120%">G</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Article_size" title="Wikipedia:Article size">Article size</a> <ul><li><a href="/wiki/Wikipedia:Summary_style" title="Wikipedia:Summary style">Summary style</a></li></ul></li> <li><a href="/wiki/Wikipedia:Be_bold" title="Wikipedia:Be bold">Be bold</a></li> <li><a href="/wiki/Wikipedia:Disambiguation" title="Wikipedia:Disambiguation">Disambiguation</a></li> <li><a href="/wiki/Wikipedia:Hatnote" title="Wikipedia:Hatnote">Hatnotes</a></li> <li><a href="/wiki/Wikipedia:Broad-concept_article" title="Wikipedia:Broad-concept article">Broad-concept article</a></li> <li><a href="/wiki/Wikipedia:Make_technical_articles_understandable" title="Wikipedia:Make technical articles understandable">Understandability</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;">Style</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Manual_of_Style" title="Wikipedia:Manual of Style">Manual of Style</a> <ul><li><a href="/wiki/Wikipedia:Manual_of_Style/Contents" title="Wikipedia:Manual of Style/Contents">Contents</a></li></ul></li> <li><a href="/wiki/Wikipedia:Manual_of_Style/Accessibility" title="Wikipedia:Manual of Style/Accessibility">Accessibility</a></li> <li><a href="/wiki/Wikipedia:Manual_of_Style/Dates_and_numbers" title="Wikipedia:Manual of Style/Dates and numbers">Dates and numbers</a></li> <li><a href="/wiki/Wikipedia:Manual_of_Style/Images" title="Wikipedia:Manual of Style/Images">Images</a></li> <li><a href="/wiki/Wikipedia:Manual_of_Style/Layout" title="Wikipedia:Manual of Style/Layout">Layout</a></li> <li><a href="/wiki/Wikipedia:Manual_of_Style/Lead_section" title="Wikipedia:Manual of Style/Lead section">Lead section</a></li> <li><a href="/wiki/Wikipedia:Manual_of_Style/Linking" title="Wikipedia:Manual of Style/Linking">Linking</a></li> <li><a href="/wiki/Wikipedia:Manual_of_Style/Lists" title="Wikipedia:Manual of Style/Lists">Lists</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;">Classification</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Categories,_lists,_and_navigation_templates" title="Wikipedia:Categories, lists, and navigation templates">Categories, lists, and navigation templates</a></li> <li><a href="/wiki/Wikipedia:Categorization" title="Wikipedia:Categorization">Categorization</a></li> <li><a href="/wiki/Wikipedia:Template_namespace" title="Wikipedia:Template namespace">Template namespace</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:6.9em;text-align:left;">Project content <span class="rt-commentedText tooltip tooltip-dotted" title="protocols related to administration">(?)</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="G427" scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal;"><b><span style="color:#0077A4;"><abbr title="Guidelines"><span style="font-size:120%">G</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Project_namespace" title="Wikipedia:Project namespace">Project namespace</a> <ul><li><a href="/wiki/Wikipedia:WikiProject_Council/Guide" title="Wikipedia:WikiProject Council/Guide">WikiProjects</a></li></ul></li> <li><a href="/wiki/Wikipedia:User_pages" title="Wikipedia:User pages">User pages</a> <ul><li><a href="/wiki/Wikipedia:Userboxes" title="Wikipedia:Userboxes">User boxes</a></li></ul></li> <li><a href="/wiki/Wikipedia:Shortcut" title="Wikipedia:Shortcut">Shortcuts</a></li> <li><a href="/wiki/Wikipedia:Subpages" title="Wikipedia:Subpages">Subpages</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:6.9em;text-align:left;;background: #dddddd;color:inherit;"><abbr title="Wikimedia Foundation">WMF</abbr> <abbr title="official policies and statements of the Wikimedia Foundation">(?)</abbr></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="P512" scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight: normal; background: #e6e6e6;color:inherit;"><b><span style="color:#118811;"><abbr title="Policies"><span style="font-size:120%">P</span></abbr></span></b></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="https://foundation.wikimedia.org/wiki/Policy:Universal_Code_of_Conduct" class="extiw" title="wmf:Policy:Universal Code of Conduct">Universal Code of Conduct</a></li> <li><a href="https://foundation.wikimedia.org/wiki/Terms_of_Use" class="extiw" title="wmf:Terms of Use">Terms of Use</a></li> <li><a href="https://foundation.wikimedia.org/wiki/Policies" class="extiw" title="wmf:Policies">List of policies</a></li> <li><a href="https://foundation.wikimedia.org/wiki/Friendly_space_policy" class="extiw" title="wmf:Friendly space policy">Friendly space policy</a></li> <li><a href="https://foundation.wikimedia.org/wiki/Resolution:Licensing_policy" class="extiw" title="wmf:Resolution:Licensing policy">Licensing and copyright</a></li> <li><a href="https://foundation.wikimedia.org/wiki/Privacy_policy" class="extiw" title="wmf:Privacy policy">Privacy policy</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;;font-weight: normal;"><div> <ul><li><b><a href="/wiki/Wikipedia:List_of_policies_and_guidelines" title="Wikipedia:List of policies and guidelines">List of all policies and guidelines</a></b> <ul><li><b><span style="color:#118811;"><span style="font-size:120%">P</span></span></b>: <b><a href="/wiki/Wikipedia:List_of_policies" title="Wikipedia:List of policies">List of policies</a></b></li> <li><b><span style="color:#0077A4;"><span style="font-size:120%">G</span></span></b>: <b><a href="/wiki/Wikipedia:List_of_guidelines" title="Wikipedia:List of guidelines">List of guidelines</a></b></li></ul></li> <li><b><a href="/wiki/Wikipedia:Principles" title="Wikipedia:Principles">Summaries of values and principles</a></b></li></ul> </div></td></tr></tbody></table></div></div></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐dd7b9dc85‐hlh5r Cached time: 20250201175519 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] DiscussionTools time usage: 0.040 seconds CPU time usage: 0.460 seconds Real time usage: 0.607 seconds Preprocessor visited node count: 5091/1000000 Post‐expand include size: 84410/2097152 bytes Template argument size: 9838/2097152 bytes Highest expansion depth: 13/100 Expensive parser function count: 4/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 27246/5000000 bytes Lua time usage: 0.207/10.000 seconds Lua memory usage: 3479348/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 436.382 1 -total 27.32% 119.198 1 Template:Help_navigation 18.33% 79.971 1 Template:WikiProject_Geology 14.49% 63.217 1 Template:Wikipedia_policies_and_guidelines 13.13% 57.304 1 Wikipedia:WikiProject_Geology/Tab_header 9.15% 39.929 1 Template:Start_tab 7.64% 33.338 1 Template:User_WikiProject_Geology 7.20% 31.436 1 Template:Userbox 6.91% 30.170 7 Template:Tooltip 6.08% 26.553 1 Template:The_Mineralogy_Barnstar --> <!-- Saved in parser cache with key enwiki:pcache:35047514:|#|:idhash:canonical and timestamp 20250201175519 and revision id 1181629592. Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&amp;type=1x1&amp;usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;oldid=1181629592">https://en.wikipedia.org/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;oldid=1181629592</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Category</a>: <ul><li><a href="/wiki/Category:WikiProject_Geology" title="Category:WikiProject Geology">WikiProject Geology</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 24 October 2023, at 07:18<span class="anonymous-show">&#160;(UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=Wikipedia:WikiProject_Geology/Resources&amp;mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" lang="en" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-header-container vector-sticky-header-container"> <div id="vector-sticky-header" class="vector-sticky-header"> <div class="vector-sticky-header-start"> <div class="vector-sticky-header-icon-start vector-button-flush-left vector-button-flush-right" aria-hidden="true"> <button class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-sticky-header-search-toggle" tabindex="-1" data-event-name="ui.vector-sticky-search-form.icon"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </button> </div> <div role="search" class="vector-search-box-vue vector-search-box-show-thumbnail vector-search-box"> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail"> <form action="/w/index.php" id="vector-sticky-search-form" class="cdx-search-input cdx-search-input--has-end-button"> <div class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia"> <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <div class="vector-sticky-header-context-bar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-sticky-header-toc" class="vector-dropdown mw-portlet mw-portlet-sticky-header-toc vector-sticky-header-toc vector-button-flush-left" > <input type="checkbox" id="vector-sticky-header-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-sticky-header-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-sticky-header-toc-label" for="vector-sticky-header-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-sticky-header-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div class="vector-sticky-header-context-bar-primary" aria-hidden="true" ><span class="mw-page-title-namespace">Wikipedia</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">WikiProject Geology/Resources</span></div> </div> </div> <div class="vector-sticky-header-end" aria-hidden="true"> <div class="vector-sticky-header-icons"> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-talk-sticky-header" tabindex="-1" data-event-name="talk-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbles mw-ui-icon-wikimedia-speechBubbles"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-subject-sticky-header" tabindex="-1" data-event-name="subject-sticky-header"><span class="vector-icon mw-ui-icon-article mw-ui-icon-wikimedia-article"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-history-sticky-header" tabindex="-1" data-event-name="history-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-history mw-ui-icon-wikimedia-wikimedia-history"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only mw-watchlink" id="ca-watchstar-sticky-header" tabindex="-1" data-event-name="watch-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-star mw-ui-icon-wikimedia-wikimedia-star"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-edit-sticky-header" tabindex="-1" data-event-name="wikitext-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-wikiText mw-ui-icon-wikimedia-wikimedia-wikiText"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-ve-edit-sticky-header" tabindex="-1" data-event-name="ve-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-edit mw-ui-icon-wikimedia-wikimedia-edit"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>1 language</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Add topic</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-dd7b9dc85-hlh5r","wgBackendResponseTime":766,"wgDiscussionToolsPageThreads":[{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Project_Templates","replies":[{"headingLevel":3,"name":"h-","type":"heading","level":0,"id":"h-Project_banner-Project_Templates","replies":[]},{"headingLevel":3,"name":"h-","type":"heading","level":0,"id":"h-Userbox-Project_Templates","replies":[]},{"headingLevel":3,"name":"h-","type":"heading","level":0,"id":"h-Barnstar-Project_Templates","replies":[]},{"headingLevel":3,"name":"h-","type":"heading","level":0,"id":"h-Barnstar_2-Project_Templates","replies":[]}]},{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Article_templates","replies":[{"headingLevel":3,"name":"h-","type":"heading","level":0,"id":"h-Infoboxes,_navboxes_and_timelines-Article_templates","replies":[]},{"headingLevel":3,"name":"h-","type":"heading","level":0,"id":"h-Stubs-Article_templates","replies":[]},{"headingLevel":3,"name":"h-","type":"heading","level":0,"id":"h-Period_properties-Article_templates","replies":[]},{"headingLevel":3,"name":"h-","type":"heading","level":0,"id":"h-Timeline_templates-Article_templates","replies":[]}]},{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Guidelines","replies":[]},{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Information_sources","replies":[]}],"wgPageParseReport":{"discussiontools":{"limitreport-timeusage":"0.040"},"limitreport":{"cputime":"0.460","walltime":"0.607","ppvisitednodes":{"value":5091,"limit":1000000},"postexpandincludesize":{"value":84410,"limit":2097152},"templateargumentsize":{"value":9838,"limit":2097152},"expansiondepth":{"value":13,"limit":100},"expensivefunctioncount":{"value":4,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":27246,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 436.382 1 -total"," 27.32% 119.198 1 Template:Help_navigation"," 18.33% 79.971 1 Template:WikiProject_Geology"," 14.49% 63.217 1 Template:Wikipedia_policies_and_guidelines"," 13.13% 57.304 1 Wikipedia:WikiProject_Geology/Tab_header"," 9.15% 39.929 1 Template:Start_tab"," 7.64% 33.338 1 Template:User_WikiProject_Geology"," 7.20% 31.436 1 Template:Userbox"," 6.91% 30.170 7 Template:Tooltip"," 6.08% 26.553 1 Template:The_Mineralogy_Barnstar"]},"scribunto":{"limitreport-timeusage":{"value":"0.207","limit":"10.000"},"limitreport-memusage":{"value":3479348,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-dd7b9dc85-hlh5r","timestamp":"20250201175519","ttl":2592000,"transientcontent":false}}});});</script> </body> </html>

Pages: 1 2 3 4 5 6 7 8 9 10