CINXE.COM

Template talk:Geological history of Earth - 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>Template talk:Geological history of Earth - 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":"bcf9e588-3335-45ce-b886-8068911d8a90","wgCanonicalNamespace":"Template_talk","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":11,"wgPageName":"Template_talk:Geological_history_of_Earth","wgTitle":"Geological history of Earth","wgCurRevisionId":1231242093,"wgRevisionId":1231242093,"wgArticleId":17920479,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Template-Class Geology pages","NA-importance Geology pages","NA-importance Template-Class Geology articles","WikiProject Geology articles"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Template_talk:Geological_history_of_Earth","wgRelevantArticleId":17920479,"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":5000,"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":true,"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.inputBox.styles":"ready","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"};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","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.inputBox.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%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&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.18"> <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="Template talk:Geological history of Earth - 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/Template_talk:Geological_history_of_Earth"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Template_talk:Geological_history_of_Earth&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/Template_talk:Geological_history_of_Earth"> <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-11 ns-talk mw-editable page-Template_talk_Geological_history_of_Earth rootpage-Template_talk_Geological_history_of_Earth 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><li id="n-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages"><span>Special pages</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=Template+talk%3AGeological+history+of+Earth" 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=Template+talk%3AGeological+history+of+Earth" 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=Template+talk%3AGeological+history+of+Earth" 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=Template+talk%3AGeological+history+of+Earth" 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-Link_to_deleted_portal_removed" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Link_to_deleted_portal_removed"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Link to deleted portal removed</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Link_to_deleted_portal_removed-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Distingish_periods_from_era_via_box_width?" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Distingish_periods_from_era_via_box_width?"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Distingish periods from era via box width?</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">6 comments</span> <ul id="toc-Distingish_periods_from_era_via_box_width?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Changed_kya,_Mya,_Gya_and_realigned_Archean_eras"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Changed kya, Mya, Gya and realigned Archean eras</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Width_of_second_column" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Width_of_second_column"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Width of second column</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Width_of_second_column-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Order_of_stages/ages?" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Order_of_stages/ages?"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Order of stages/ages?</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">2 comments</span> <ul id="toc-Order_of_stages/ages?-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">Template talk</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Geological history of Earth</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang mw-portlet-lang-icon-only" > <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-empty" aria-label="This article exist only in this language. Add the article for other languages" > <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--icon-only mw-portlet-lang-heading-empty" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language mw-ui-icon-wikimedia-language"></span> <span class="vector-dropdown-label-text">Add languages</span> </label> <div class="vector-dropdown-content"> <div class="mw-portlet-empty-language-selector-body"> Page contents not supported in other languages. </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-template" class="vector-tab-noicon mw-list-item"><a href="/wiki/Template:Geological_history_of_Earth" title="View the template [c]" accesskey="c"><span>Template</span></a></li><li id="ca-talk" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Template_talk:Geological_history_of_Earth" rel="discussion" 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/Template_talk:Geological_history_of_Earth"><span>Read</span></a></li><li id="ca-edit" class="istalk vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-addsection" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;action=edit&amp;section=new" title="Start a new section [+]" accesskey="+"><span>Add topic</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&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/Template_talk:Geological_history_of_Earth"><span>Read</span></a></li><li id="ca-more-edit" class="istalk vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-addsection" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;action=edit&amp;section=new"><span>Add topic</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&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/Template_talk:Geological_history_of_Earth" 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/Template_talk:Geological_history_of_Earth" 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-permalink" class="mw-list-item"><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;oldid=1231242093" 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=Template_talk:Geological_history_of_Earth&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%2FTemplate_talk%3AGeological_history_of_Earth"><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%2FTemplate_talk%3AGeological_history_of_Earth"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-electronpdfservice-sidebar-portlet-heading" class="vector-menu mw-portlet mw-portlet-electronpdfservice-sidebar-portlet-heading" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="electron-print_pdf" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&amp;page=Template_talk%3AGeological_history_of_Earth&amp;action=show-download-screen"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="javascript:print();" rel="alternate" 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 emptyPortlet" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </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></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><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><table class="plainlinks tmbox tmbox-notice" role="presentation"><tbody><tr><td class="mbox-image"><span typeof="mw:File"><a href="/wiki/File:Clipboard.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/1/1f/Clipboard.svg/40px-Clipboard.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/1/1f/Clipboard.svg/60px-Clipboard.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/1/1f/Clipboard.svg/80px-Clipboard.svg.png 2x" data-file-width="48" data-file-height="48" /></a></span></td><td class="mbox-text">This template (<a href="/wiki/Template:Geological_history" class="mw-redirect" title="Template:Geological history">Template:Geological history</a>) was considered for <a href="/wiki/Wikipedia:Deletion_policy" title="Wikipedia:Deletion policy">deletion</a> on <span class="mw-formatted-date" title="2015-11-12">2015 November 12</span>. The result of the <b><a href="/wiki/Wikipedia:Templates_for_discussion/Log/2015_November_12#Template:Geological_history" title="Wikipedia:Templates for discussion/Log/2015 November 12">discussion</a></b> was "<b>keep</b>".</td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237879475" /><style data-mw-deduplicate="TemplateStyles:r1243927654">.mw-parser-output .banner-shell{border-collapse:separate;border-spacing:4px}.mw-parser-output .banner-shell-header{text-align:center;font-weight:bold}.mw-parser-output .banner-shell-inner{padding:2px 4px;background:#fffaef;color:inherit;border:1px dotted gray}@media screen{html.skin-theme-clientpref-night .mw-parser-output .banner-shell-inner{background:#2e2505}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .banner-shell-inner{background:#2e2505}}.mw-parser-output .banner-shell .tmbox{margin:2px 0;width:100%}.mw-parser-output .banner-shell .tmbox.mbox-small{line-height:1.5em;font-size:100%}.mw-parser-output .banner-shell-inner .banner-shell-outside{display:none}@media(min-width:720px){.mw-parser-output .wpbs{width:80%}}.mw-parser-output .wpbs .assess{width:60px;text-align:center}.mw-parser-output .wpbs .banner-shell-header{border:none;padding:0.25em 0.9em 0.25em 0}.mw-parser-output .wpbs .wpb .wpb-header{display:table-row}.mw-parser-output .wpbs .wpb:not(.mw-collapsed) .wpb-header-icon a{display:none}</style><table role="presentation" class="tmbox tmbox-notice banner-shell wpbs mw-collapsible"><tbody><tr><td class="assess"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Symbol_template_class_pink.svg" class="mw-file-description" title="Template"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Symbol_template_class_pink.svg/35px-Symbol_template_class_pink.svg.png" decoding="async" width="35" height="36" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Symbol_template_class_pink.svg/53px-Symbol_template_class_pink.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Symbol_template_class_pink.svg/70px-Symbol_template_class_pink.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span></td><td class="banner-shell-header" style="text-align:left;font-weight:normal">This template does not require a rating on Wikipedia's <a href="/wiki/Wikipedia:Content_assessment" title="Wikipedia:Content assessment">content assessment</a> scale.<br />It is of interest to the following <a href="/wiki/Wikipedia:WikiProject" title="Wikipedia:WikiProject">WikiProjects</a>:</td></tr><tr><td colspan="2" class="banner-shell-inner outercollapse"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237879475" /><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> </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 template 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></tbody></table></td></tr></tbody></table></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237879475" /> <table id="archivebox" role="presentation" class="tmbox tmbox-notice mbox-small" style="text-align: center; padding: 1em;"> <tbody><tr> <td style="padding:0.6em 0 0.25em;"> <div style="width:100%; overflow:hidden;"><span typeof="mw:File"><a href="/wiki/File:Replacement_filing_cabinet.svg" class="mw-file-description"><img alt="Archiving icon" src="//upload.wikimedia.org/wikipedia/en/thumb/2/2a/Replacement_filing_cabinet.svg/40px-Replacement_filing_cabinet.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/2/2a/Replacement_filing_cabinet.svg/60px-Replacement_filing_cabinet.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/2/2a/Replacement_filing_cabinet.svg/80px-Replacement_filing_cabinet.svg.png 2x" data-file-width="200" data-file-height="200" /></a></span><br /><b>Archives</b></div> </td></tr><tr> <td class="plainlinks"> <p><a href="/wiki/Template_talk:Geological_history_of_Earth/Archive_1" title="Template talk:Geological history of Earth/Archive 1">1</a> </p> </td> </tr><tr><td style="padding-bottom:11px"><div class="mw-inputbox-centered" style=""><form name="searchbox" class="searchbox mw-inputbox-form" action="/wiki/Special:Search"><div class="cdx-text-input"><input class="mw-inputbox-input mw-searchInput searchboxInput cdx-text-input__input" name="search" placeholder="" size="22" dir="ltr" /></div><input type="hidden" value="Template talk:Geological history of Earth/" name="prefix" /><br /><input type="submit" name="fulltext" value="Search archives" class="cdx-button" /><input type="hidden" value="Search" name="fulltext" /></form></div> </td></tr><tr><td style="padding:0px 10px; font-size:11.9px;"> <hr /> This page has archives. Sections older than <b>365 days</b> may be automatically archived by <span class="nowraplinks"><a href="/wiki/User:Lowercase_sigmabot_III" title="User:Lowercase sigmabot III">Lowercase sigmabot III</a></span> when more than 5 sections are present.</td></tr> </tbody></table> <p class="mw-empty-elt"> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><!--__DTSUBSCRIBEBUTTONDESKTOP__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-BlackcurrantTea-2019-04-30T12:47:00.000Z&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Link_to_deleted_portal_removed-2019-04-30T12:47:00.000Z&quot;,&quot;replies&quot;:[&quot;c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed&quot;],&quot;text&quot;:&quot;Link to deleted portal removed&quot;,&quot;linkableTitle&quot;:&quot;Link to deleted portal removed&quot;}--><h2 id="Link_to_deleted_portal_removed" data-mw-thread-id="h-Link_to_deleted_portal_removed-2019-04-30T12:47:00.000Z"><span data-mw-comment-start="" id="h-Link_to_deleted_portal_removed-2019-04-30T12:47:00.000Z"></span>Link to deleted portal removed<span data-mw-comment-end="h-Link_to_deleted_portal_removed-2019-04-30T12:47:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;action=edit&amp;section=1" title="Edit section: Link to deleted portal removed"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-BlackcurrantTea-2019-04-30T12:47:00.000Z","type":"heading","level":0,"id":"h-Link_to_deleted_portal_removed-2019-04-30T12:47:00.000Z","replies":["c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed"]}}--><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"><!--__DTLATESTCOMMENTTHREAD__{"id":"c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed","timestamp":"2019-04-30T12:47:00.000Z"}__--><!--__DTCOMMENTCOUNT__1__--><!--__DTAUTHORCOUNT__1__--></div><div class="ext-discussiontools-init-section-actions"><!--__DTSUBSCRIBEBUTTONMOBILE__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-BlackcurrantTea-2019-04-30T12:47:00.000Z&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Link_to_deleted_portal_removed-2019-04-30T12:47:00.000Z&quot;,&quot;replies&quot;:[&quot;c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed&quot;],&quot;text&quot;:&quot;Link to deleted portal removed&quot;,&quot;linkableTitle&quot;:&quot;Link to deleted portal removed&quot;}--></div></div></div> <p><span data-mw-comment-start="" id="c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed"></span>The Geological history of Earth portal was <a href="/wiki/Wikipedia:Miscellany_for_deletion/Second_batch_of_mass-created_portals_based_on_a_single_navbox" title="Wikipedia:Miscellany for deletion/Second batch of mass-created portals based on a single navbox">recently deleted</a>. I've removed the red link from the template. <a href="/wiki/User:BlackcurrantTea" title="User:BlackcurrantTea">BlackcurrantTea</a> (<a href="/wiki/User_talk:BlackcurrantTea" title="User talk:BlackcurrantTea">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed" class="ext-discussiontools-init-timestamplink">12:47, 30 April 2019 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2019-04-30T12:47:00.000Z","author":"BlackcurrantTea","type":"comment","level":1,"id":"c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed","replies":[]}}--></span><span data-mw-comment-end="c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><!--__DTSUBSCRIBEBUTTONDESKTOP__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-Hike395-2019-06-09T13:26:00.000Z&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Distingish_periods_from_era_via_box_width?-2019-06-09T13:26:00.000Z&quot;,&quot;replies&quot;:[&quot;c-Hike395-2019-06-09T13:26:00.000Z-Distingish_periods_from_era_via_box_width?&quot;],&quot;text&quot;:&quot;Distingish periods from era via box width?&quot;,&quot;linkableTitle&quot;:&quot;Distingish periods from era via box width?&quot;}--><h2 id="Distingish_periods_from_era_via_box_width?" data-mw-thread-id="h-Distingish_periods_from_era_via_box_width?-2019-06-09T13:26:00.000Z"><span id="Distingish_periods_from_era_via_box_width.3F"></span><span data-mw-comment-start="" id="h-Distingish_periods_from_era_via_box_width?-2019-06-09T13:26:00.000Z"></span>Distingish periods from era via box width?<span data-mw-comment-end="h-Distingish_periods_from_era_via_box_width?-2019-06-09T13:26:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;action=edit&amp;section=2" title="Edit section: Distingish periods from era via box width?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-Hike395-2019-06-09T13:26:00.000Z","type":"heading","level":0,"id":"h-Distingish_periods_from_era_via_box_width?-2019-06-09T13:26:00.000Z","replies":["c-Hike395-2019-06-09T13:26:00.000Z-Distingish_periods_from_era_via_box_width?"]}}--><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"><!--__DTLATESTCOMMENTTHREAD__{"id":"c-Hike395-2019-06-11T07:01:00.000Z-Colonies_Chris-2019-06-10T13:37:00.000Z","timestamp":"2019-06-11T07:01:00.000Z"}__--><!--__DTCOMMENTCOUNT__6__--><!--__DTAUTHORCOUNT__2__--></div><div class="ext-discussiontools-init-section-actions"><!--__DTSUBSCRIBEBUTTONMOBILE__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-Hike395-2019-06-09T13:26:00.000Z&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Distingish_periods_from_era_via_box_width?-2019-06-09T13:26:00.000Z&quot;,&quot;replies&quot;:[&quot;c-Hike395-2019-06-09T13:26:00.000Z-Distingish_periods_from_era_via_box_width?&quot;],&quot;text&quot;:&quot;Distingish periods from era via box width?&quot;,&quot;linkableTitle&quot;:&quot;Distingish periods from era via box width?&quot;}--></div></div></div> <p><a href="/wiki/User:Colonies_Chris" title="User:Colonies Chris"><span data-mw-comment-start="" id="c-Hike395-2019-06-09T13:26:00.000Z-Distingish_periods_from_era_via_box_width?"></span>Colonies Chris</a> edited the template to have the second column have different width for periods (from Cambrian onwards) than for the eras (in the pre-Cambrian). I thought this looked strange, so I reverted back to having the second column have equal widths. What do other editors think? —<a href="/wiki/User:Hike395" title="User:Hike395">hike395</a> (<a href="/wiki/User_talk:Hike395" title="User talk:Hike395">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-Hike395-2019-06-09T13:26:00.000Z-Distingish_periods_from_era_via_box_width?" class="ext-discussiontools-init-timestamplink">13:26, 9 June 2019 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Hike395-2019-06-09T13:26:00.000Z-Distingish_periods_from_era_via_box_width?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2019-06-09T13:26:00.000Z","author":"Hike395","type":"comment","level":1,"id":"c-Hike395-2019-06-09T13:26:00.000Z-Distingish_periods_from_era_via_box_width?","replies":["c-Colonies_Chris-2019-06-09T13:37:00.000Z-Hike395-2019-06-09T13:26:00.000Z"]}}--></span><span data-mw-comment-end="c-Hike395-2019-06-09T13:26:00.000Z-Distingish_periods_from_era_via_box_width?"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Colonies_Chris-2019-06-09T13:37:00.000Z-Hike395-2019-06-09T13:26:00.000Z"></span>I underestimated the necessary width - now fixed. <a href="/wiki/User:Colonies_Chris" title="User:Colonies Chris">Colonies Chris</a> (<a href="/wiki/User_talk:Colonies_Chris" title="User talk:Colonies Chris">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-Colonies_Chris-2019-06-09T13:37:00.000Z-Hike395-2019-06-09T13:26:00.000Z" class="ext-discussiontools-init-timestamplink">13:37, 9 June 2019 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Colonies_Chris-2019-06-09T13:37:00.000Z-Hike395-2019-06-09T13:26:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2019-06-09T13:37:00.000Z","author":"Colonies Chris","type":"comment","level":2,"id":"c-Colonies_Chris-2019-06-09T13:37:00.000Z-Hike395-2019-06-09T13:26:00.000Z","replies":["c-Hike395-2019-06-09T22:10:00.000Z-Colonies_Chris-2019-06-09T13:37:00.000Z"]}}--></span><span data-mw-comment-end="c-Colonies_Chris-2019-06-09T13:37:00.000Z-Hike395-2019-06-09T13:26:00.000Z"></span> <dl><dd><span class="template-ping"><span data-mw-comment-start="" id="c-Hike395-2019-06-09T22:10:00.000Z-Colonies_Chris-2019-06-09T13:37:00.000Z"></span>@<a href="/wiki/User:Colonies_Chris" title="User:Colonies Chris">Colonies Chris</a>:</span> I'm not sure what got fixed by reverting my edit. The second column is now uneven: the eras of the Proterozoic are much wider than the periods of the Phanerozoic. I think the present layout looks bad: I believe that the first two columns should have the same width over all rows.</dd> <dd>Let's see if we can get more editors viewpoints over at <a href="/wiki/Wikipedia_talk:GEOLOGY" class="mw-redirect" title="Wikipedia talk:GEOLOGY">WT:GEOLOGY</a> —<a href="/wiki/User:Hike395" title="User:Hike395">hike395</a> (<a href="/wiki/User_talk:Hike395" title="User talk:Hike395">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-Hike395-2019-06-09T22:10:00.000Z-Colonies_Chris-2019-06-09T13:37:00.000Z" class="ext-discussiontools-init-timestamplink">22:10, 9 June 2019 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Hike395-2019-06-09T22:10:00.000Z-Colonies_Chris-2019-06-09T13:37:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2019-06-09T22:10:00.000Z","author":"Hike395","type":"comment","level":3,"id":"c-Hike395-2019-06-09T22:10:00.000Z-Colonies_Chris-2019-06-09T13:37:00.000Z","replies":["c-Hike395-2019-06-10T03:26:00.000Z-Hike395-2019-06-09T22:10:00.000Z"]}}--></span><span data-mw-comment-end="c-Hike395-2019-06-09T22:10:00.000Z-Colonies_Chris-2019-06-09T13:37:00.000Z"></span> <dl><dd><span data-mw-comment-start="" id="c-Hike395-2019-06-10T03:26:00.000Z-Hike395-2019-06-09T22:10:00.000Z"></span>Later --- maybe you're not seeing the same layout that I am? I removed the "era" to make the columns (almost) line up. —<a href="/wiki/User:Hike395" title="User:Hike395">hike395</a> (<a href="/wiki/User_talk:Hike395" title="User talk:Hike395">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-Hike395-2019-06-10T03:26:00.000Z-Hike395-2019-06-09T22:10:00.000Z" class="ext-discussiontools-init-timestamplink">03:26, 10 June 2019 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Hike395-2019-06-10T03:26:00.000Z-Hike395-2019-06-09T22:10:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2019-06-10T03:26:00.000Z","author":"Hike395","type":"comment","level":4,"id":"c-Hike395-2019-06-10T03:26:00.000Z-Hike395-2019-06-09T22:10:00.000Z","replies":["c-Colonies_Chris-2019-06-10T13:37:00.000Z-Hike395-2019-06-10T03:26:00.000Z"]}}--></span><span data-mw-comment-end="c-Hike395-2019-06-10T03:26:00.000Z-Hike395-2019-06-09T22:10:00.000Z"></span> <dl><dd><span data-mw-comment-start="" id="c-Colonies_Chris-2019-06-10T13:37:00.000Z-Hike395-2019-06-10T03:26:00.000Z"></span>In my revised version, the period boxes all line up on the right and they are only the width necessary to contain the text (18.5em). The current version wastes space on the left as the period boxes are unnecessarily wide. The removal of 'era' (which makes sense to me) further reduces the necessary width for those boxes to 16.5em. <a href="/wiki/User:Colonies_Chris" title="User:Colonies Chris">Colonies Chris</a> (<a href="/wiki/User_talk:Colonies_Chris" title="User talk:Colonies Chris">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-Colonies_Chris-2019-06-10T13:37:00.000Z-Hike395-2019-06-10T03:26:00.000Z" class="ext-discussiontools-init-timestamplink">13:37, 10 June 2019 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Colonies_Chris-2019-06-10T13:37:00.000Z-Hike395-2019-06-10T03:26:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2019-06-10T13:37:00.000Z","author":"Colonies Chris","type":"comment","level":5,"id":"c-Colonies_Chris-2019-06-10T13:37:00.000Z-Hike395-2019-06-10T03:26:00.000Z","replies":["c-Hike395-2019-06-11T07:01:00.000Z-Colonies_Chris-2019-06-10T13:37:00.000Z"]}}--></span><span data-mw-comment-end="c-Colonies_Chris-2019-06-10T13:37:00.000Z-Hike395-2019-06-10T03:26:00.000Z"></span> <dl><dd><span data-mw-comment-start="" id="c-Hike395-2019-06-11T07:01:00.000Z-Colonies_Chris-2019-06-10T13:37:00.000Z"></span>I think it looks very different on different platforms and browsers. On my iPad in Safari, there is large amounts of white space. On Firefox under Ubuntu, 19em leaves no room, and 16.5 makes the second column ragged. I think we need to be conservative to avoid ragged columns. —<a href="/wiki/User:Hike395" title="User:Hike395">hike395</a> (<a href="/wiki/User_talk:Hike395" title="User talk:Hike395">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-Hike395-2019-06-11T07:01:00.000Z-Colonies_Chris-2019-06-10T13:37:00.000Z" class="ext-discussiontools-init-timestamplink">07:01, 11 June 2019 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Hike395-2019-06-11T07:01:00.000Z-Colonies_Chris-2019-06-10T13:37:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2019-06-11T07:01:00.000Z","author":"Hike395","type":"comment","level":6,"id":"c-Hike395-2019-06-11T07:01:00.000Z-Colonies_Chris-2019-06-10T13:37:00.000Z","replies":[]}}--></span><span data-mw-comment-end="c-Hike395-2019-06-11T07:01:00.000Z-Colonies_Chris-2019-06-10T13:37:00.000Z"></span></dd></dl></dd></dl></dd></dl></dd></dl></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><!--__DTSUBSCRIBEBUTTONDESKTOP__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras-2020-07-30T15:04:00.000Z&quot;,&quot;replies&quot;:[&quot;c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras&quot;],&quot;text&quot;:&quot;Changed kya, Mya, Gya and realigned Archean eras&quot;,&quot;linkableTitle&quot;:&quot;Changed kya, Mya, Gya and realigned Archean eras&quot;}--><h2 id="Changed_kya,_Mya,_Gya_and_realigned_Archean_eras" data-mw-thread-id="h-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras-2020-07-30T15:04:00.000Z"><span id="Changed_kya.2C_Mya.2C_Gya_and_realigned_Archean_eras"></span><span data-mw-comment-start="" id="h-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras-2020-07-30T15:04:00.000Z"></span>Changed kya, Mya, Gya and realigned Archean eras<span data-mw-comment-end="h-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras-2020-07-30T15:04:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;action=edit&amp;section=3" title="Edit section: Changed kya, Mya, Gya and realigned Archean eras"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z","type":"heading","level":0,"id":"h-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras-2020-07-30T15:04:00.000Z","replies":["c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras"]}}--><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"><!--__DTLATESTCOMMENTTHREAD__{"id":"c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras","timestamp":"2020-07-30T15:04:00.000Z"}__--><!--__DTCOMMENTCOUNT__1__--><!--__DTAUTHORCOUNT__1__--></div><div class="ext-discussiontools-init-section-actions"><!--__DTSUBSCRIBEBUTTONMOBILE__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras-2020-07-30T15:04:00.000Z&quot;,&quot;replies&quot;:[&quot;c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras&quot;],&quot;text&quot;:&quot;Changed kya, Mya, Gya and realigned Archean eras&quot;,&quot;linkableTitle&quot;:&quot;Changed kya, Mya, Gya and realigned Archean eras&quot;}--></div></div></div> <p><span data-mw-comment-start="" id="c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras"></span>I've changed the use of kya, Mya, Gya suffixes to the ISO and geological standards (<a rel="nofollow" class="external text" href="https://doi.org/10.7916/D8DR35JQ">|Aubry et al. 2009</a>) of ka, Ma, Ga and redirected the links to the <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Year#SI_prefix_multipliers</a> page. Additionally I realigned the Archean eras and removed the word era from where it placed for clarity and consistency. <a href="/wiki/User:Jarred_C_Lloyd" title="User:Jarred C Lloyd">Jarred C Lloyd</a> (<a href="/wiki/User_talk:Jarred_C_Lloyd" title="User talk:Jarred C Lloyd">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras" class="ext-discussiontools-init-timestamplink">15:04, 30 July 2020 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2020-07-30T15:04:00.000Z","author":"Jarred C Lloyd","type":"comment","level":1,"id":"c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras","replies":[]}}--></span><span data-mw-comment-end="c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><!--__DTSUBSCRIBEBUTTONDESKTOP__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-Hike395-2021-10-23T17:16:00.000Z&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Width_of_second_column-2021-10-23T17:16:00.000Z&quot;,&quot;replies&quot;:[&quot;c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column&quot;],&quot;text&quot;:&quot;Width of second column&quot;,&quot;linkableTitle&quot;:&quot;Width of second column&quot;}--><h2 id="Width_of_second_column" data-mw-thread-id="h-Width_of_second_column-2021-10-23T17:16:00.000Z"><span data-mw-comment-start="" id="h-Width_of_second_column-2021-10-23T17:16:00.000Z"></span>Width of second column<span data-mw-comment-end="h-Width_of_second_column-2021-10-23T17:16:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;action=edit&amp;section=4" title="Edit section: Width of second column"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-Hike395-2021-10-23T17:16:00.000Z","type":"heading","level":0,"id":"h-Width_of_second_column-2021-10-23T17:16:00.000Z","replies":["c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column"]}}--><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"><!--__DTLATESTCOMMENTTHREAD__{"id":"c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column","timestamp":"2021-10-23T17:16:00.000Z"}__--><!--__DTCOMMENTCOUNT__1__--><!--__DTAUTHORCOUNT__1__--></div><div class="ext-discussiontools-init-section-actions"><!--__DTSUBSCRIBEBUTTONMOBILE__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-Hike395-2021-10-23T17:16:00.000Z&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Width_of_second_column-2021-10-23T17:16:00.000Z&quot;,&quot;replies&quot;:[&quot;c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column&quot;],&quot;text&quot;:&quot;Width of second column&quot;,&quot;linkableTitle&quot;:&quot;Width of second column&quot;}--></div></div></div> <p><span data-mw-comment-start="" id="c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column"></span>I think I've solved the mystery of the width of the second column looking different on different browsers. Previously, we were using 'em' as the unit of width, which is the height of the M in the user's font. But different browsers are using different fonts, with slightly different aspect ratios. So using 'em' leaves big white space in some browsers, and uneven boxes in others. </p><p>What I've done is use the less-well-known 'ch' unit, which is the width of the 0. I've set the width of the second column to 26ch, which seems to make a nice width with little padding across all the browsers I checked: Firefox, Chrome, Chromium, and Edge. </p><p>In a previous edit, I reduced the number of significant digits in the time spans for each entry. I'd still like to keep those to three significant digits, because more would appear to be visual clutter. — <a href="/wiki/User:Hike395" title="User:Hike395">hike395</a> (<a href="/wiki/User_talk:Hike395" title="User talk:Hike395">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column" class="ext-discussiontools-init-timestamplink">17:16, 23 October 2021 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2021-10-23T17:16:00.000Z","author":"Hike395","type":"comment","level":1,"id":"c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column","replies":[]}}--></span><span data-mw-comment-end="c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><!--__DTSUBSCRIBEBUTTONDESKTOP__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-EdwardUK-20230620111500&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Order_of_stages\/ages?-20230620111500&quot;,&quot;replies&quot;:[&quot;c-EdwardUK-20230620111500-Order_of_stages\/ages?&quot;],&quot;text&quot;:&quot;Order of stages\/ages?&quot;,&quot;linkableTitle&quot;:&quot;Order of stages\/ages?&quot;}--><h2 id="Order_of_stages/ages?" data-mw-thread-id="h-Order_of_stages/ages?-20230620111500"><span id="Order_of_stages.2Fages.3F"></span><span data-mw-comment-start="" id="h-Order_of_stages/ages?-20230620111500"></span>Order of stages/ages?<span data-mw-comment-end="h-Order_of_stages/ages?-20230620111500"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;action=edit&amp;section=5" title="Edit section: Order of stages/ages?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-EdwardUK-20230620111500","type":"heading","level":0,"id":"h-Order_of_stages\/ages?-20230620111500","replies":["c-EdwardUK-20230620111500-Order_of_stages\/ages?"]}}--><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"><!--__DTLATESTCOMMENTTHREAD__{"id":"c-Hike395-20230622085700-EdwardUK-20230620111500","timestamp":"20230622085700"}__--><!--__DTCOMMENTCOUNT__2__--><!--__DTAUTHORCOUNT__2__--></div><div class="ext-discussiontools-init-section-actions"><!--__DTSUBSCRIBEBUTTONMOBILE__{&quot;headingLevel&quot;:2,&quot;name&quot;:&quot;h-EdwardUK-20230620111500&quot;,&quot;type&quot;:&quot;heading&quot;,&quot;level&quot;:0,&quot;id&quot;:&quot;h-Order_of_stages\/ages?-20230620111500&quot;,&quot;replies&quot;:[&quot;c-EdwardUK-20230620111500-Order_of_stages\/ages?&quot;],&quot;text&quot;:&quot;Order of stages\/ages?&quot;,&quot;linkableTitle&quot;:&quot;Order of stages\/ages?&quot;}--></div></div></div> <p><span data-mw-comment-start="" id="c-EdwardUK-20230620111500-Order_of_stages/ages?"></span>When viewing the template in a narrow browser window it causes the stages/ages to be displayed as a single column with each section ordered from the oldest to the most recent for example the Jurassic and Triassic sections read as: </p> <style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li>Early (201–174 Ma)</li><li>Middle (174–164 Ma)</li><li>Late (164–145 Ma)</li><li>Early (252–247 Ma)</li><li>Middle (247–237 Ma)</li><li>Late (237–201 Ma)</li></ul></div> <p>Rather than: </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409" /><div class="plainlist"><ul><li>Late (164–145 Ma)</li><li>Middle (174–164 Ma)</li><li>Early (201–174 Ma)</li><li>Late (237–201 Ma)</li><li>Middle (247–237 Ma)</li><li>Early (252–247 Ma)</li></ul></div> <p>To me the second version seems easier to follow. Is their a particular reason why they are arranged as they are or would it be possible to change the layout. <a href="/wiki/User:EdwardUK" title="User:EdwardUK">EdwardUK</a> (<a href="/wiki/User_talk:EdwardUK" title="User talk:EdwardUK">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-EdwardUK-20230620111500-Order_of_stages/ages?" class="ext-discussiontools-init-timestamplink">11:15, 20 June 2023 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-EdwardUK-20230620111500-Order_of_stages/ages?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"20230620111500","author":"EdwardUK","type":"comment","level":1,"id":"c-EdwardUK-20230620111500-Order_of_stages\/ages?","replies":["c-Hike395-20230622085700-EdwardUK-20230620111500"]}}--></span><span data-mw-comment-end="c-EdwardUK-20230620111500-Order_of_stages/ages?"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Hike395-20230622085700-EdwardUK-20230620111500"></span>When I <a href="/wiki/Wikipedia:Templates_for_discussion/Log/2015_November_12#Template:Geological_history" title="Wikipedia:Templates for discussion/Log/2015 November 12">rescued the template from deletion in 2015</a>, I put the periods into that order, but asked other editors what the right order is. No one responded. I'm happy to change it to be the other order. — <a href="/wiki/User:Hike395" title="User:Hike395">hike395</a> (<a href="/wiki/User_talk:Hike395" title="User talk:Hike395">talk</a>) <a href="https://en.wikipedia.org/wiki/Template_talk:Geological_history_of_Earth#c-Hike395-20230622085700-EdwardUK-20230620111500" class="ext-discussiontools-init-timestamplink">08:57, 22 June 2023 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Hike395-20230622085700-EdwardUK-20230620111500"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span><!--__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"20230622085700","author":"Hike395","type":"comment","level":2,"id":"c-Hike395-20230622085700-EdwardUK-20230620111500","replies":[]}}--></span><span data-mw-comment-end="c-Hike395-20230622085700-EdwardUK-20230620111500"></span></dd></dl> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐d8647bfd6‐qtvl6 Cached time: 20250221142338 Cache expiry: 864000 Reduced expiry: true Complications: [vary‐revision‐sha1, show‐toc] DiscussionTools time usage: 0.014 seconds CPU time usage: 0.249 seconds Real time usage: 0.354 seconds Preprocessor visited node count: 1022/1000000 Post‐expand include size: 17704/2097152 bytes Template argument size: 1349/2097152 bytes Highest expansion depth: 16/100 Expensive parser function count: 17/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 14245/5000000 bytes Lua time usage: 0.138/10.000 seconds Lua memory usage: 2986396/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 287.237 1 -total 42.16% 121.103 1 Template:WikiProject_banner_shell 25.22% 72.445 1 Template:WikiProject_Geology 24.41% 70.126 1 Template:Archives 23.93% 68.733 1 Template:Old_TfD 18.76% 53.872 1 Template:Tmbox 13.66% 39.242 11 Template:Th/abp 6.32% 18.148 2 Template:Date 5.54% 15.910 9 Template:Tmpv 4.70% 13.497 2 Template:Ubl --> <!-- Saved in parser cache with key enwiki:pcache:17920479:|#|:idhash:dateformat=default and timestamp 20250221142338 and revision id 1231242093. 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=Template_talk:Geological_history_of_Earth&amp;oldid=1231242093">https://en.wikipedia.org/w/index.php?title=Template_talk:Geological_history_of_Earth&amp;oldid=1231242093</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">Categories</a>: <ul><li><a href="/wiki/Category:Template-Class_Geology_pages" title="Category:Template-Class Geology pages">Template-Class Geology pages</a></li><li><a href="/wiki/Category:NA-importance_Geology_pages" title="Category:NA-importance Geology pages">NA-importance Geology pages</a></li><li><a href="/wiki/Category:NA-importance_Template-Class_Geology_articles" title="Category:NA-importance Template-Class Geology articles">NA-importance Template-Class Geology articles</a></li><li><a href="/wiki/Category:WikiProject_Geology_articles" title="Category:WikiProject Geology articles">WikiProject Geology articles</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 27 June 2024, at 07:42<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=Template_talk:Geological_history_of_Earth&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"><picture><source media="(min-width: 500px)" srcset="/static/images/footer/wikimedia-button.svg" width="84" height="29"><img src="/static/images/footer/wikimedia.svg" width="25" height="25" alt="Wikimedia Foundation" lang="en" loading="lazy"></picture></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"><picture><source media="(min-width: 500px)" srcset="/w/resources/assets/poweredby_mediawiki.svg" width="88" height="31"><img src="/w/resources/assets/mediawiki_compact.svg" alt="Powered by MediaWiki" lang="en" width="25" height="25" loading="lazy"></picture></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">Template talk</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Geological history of Earth</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"> <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="mw-portlet mw-portlet-dock-bottom emptyPortlet" id="p-dock-bottom"> <ul> </ul> </div> <script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-64b5bb4b79-9jxfn","wgBackendResponseTime":135,"wgDiscussionToolsPageThreads":[{"headingLevel":2,"name":"h-BlackcurrantTea-2019-04-30T12:47:00.000Z","type":"heading","level":0,"id":"h-Link_to_deleted_portal_removed-2019-04-30T12:47:00.000Z","replies":[{"timestamp":"2019-04-30T12:47:00.000Z","author":"BlackcurrantTea","type":"comment","level":1,"id":"c-BlackcurrantTea-2019-04-30T12:47:00.000Z-Link_to_deleted_portal_removed","replies":[]}]},{"headingLevel":2,"name":"h-Hike395-2019-06-09T13:26:00.000Z","type":"heading","level":0,"id":"h-Distingish_periods_from_era_via_box_width?-2019-06-09T13:26:00.000Z","replies":[{"timestamp":"2019-06-09T13:26:00.000Z","author":"Hike395","type":"comment","level":1,"id":"c-Hike395-2019-06-09T13:26:00.000Z-Distingish_periods_from_era_via_box_width?","replies":[{"timestamp":"2019-06-09T13:37:00.000Z","author":"Colonies Chris","type":"comment","level":2,"id":"c-Colonies_Chris-2019-06-09T13:37:00.000Z-Hike395-2019-06-09T13:26:00.000Z","replies":[{"timestamp":"2019-06-09T22:10:00.000Z","author":"Hike395","type":"comment","level":3,"id":"c-Hike395-2019-06-09T22:10:00.000Z-Colonies_Chris-2019-06-09T13:37:00.000Z","replies":[{"timestamp":"2019-06-10T03:26:00.000Z","author":"Hike395","type":"comment","level":4,"id":"c-Hike395-2019-06-10T03:26:00.000Z-Hike395-2019-06-09T22:10:00.000Z","replies":[{"timestamp":"2019-06-10T13:37:00.000Z","author":"Colonies Chris","type":"comment","level":5,"id":"c-Colonies_Chris-2019-06-10T13:37:00.000Z-Hike395-2019-06-10T03:26:00.000Z","replies":[{"timestamp":"2019-06-11T07:01:00.000Z","author":"Hike395","type":"comment","level":6,"id":"c-Hike395-2019-06-11T07:01:00.000Z-Colonies_Chris-2019-06-10T13:37:00.000Z","replies":[]}]}]}]}]}]}]},{"headingLevel":2,"name":"h-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z","type":"heading","level":0,"id":"h-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras-2020-07-30T15:04:00.000Z","replies":[{"timestamp":"2020-07-30T15:04:00.000Z","author":"Jarred C Lloyd","type":"comment","level":1,"id":"c-Jarred_C_Lloyd-2020-07-30T15:04:00.000Z-Changed_kya,_Mya,_Gya_and_realigned_Archean_eras","replies":[]}]},{"headingLevel":2,"name":"h-Hike395-2021-10-23T17:16:00.000Z","type":"heading","level":0,"id":"h-Width_of_second_column-2021-10-23T17:16:00.000Z","replies":[{"timestamp":"2021-10-23T17:16:00.000Z","author":"Hike395","type":"comment","level":1,"id":"c-Hike395-2021-10-23T17:16:00.000Z-Width_of_second_column","replies":[]}]},{"headingLevel":2,"name":"h-EdwardUK-20230620111500","type":"heading","level":0,"id":"h-Order_of_stages/ages?-20230620111500","replies":[{"timestamp":"20230620111500","author":"EdwardUK","type":"comment","level":1,"id":"c-EdwardUK-20230620111500-Order_of_stages/ages?","replies":[{"timestamp":"20230622085700","author":"Hike395","type":"comment","level":2,"id":"c-Hike395-20230622085700-EdwardUK-20230620111500","replies":[]}]}]}],"wgPageParseReport":{"discussiontools":{"limitreport-timeusage":"0.014"},"limitreport":{"cputime":"0.249","walltime":"0.354","ppvisitednodes":{"value":1022,"limit":1000000},"postexpandincludesize":{"value":17704,"limit":2097152},"templateargumentsize":{"value":1349,"limit":2097152},"expansiondepth":{"value":16,"limit":100},"expensivefunctioncount":{"value":17,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":14245,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 287.237 1 -total"," 42.16% 121.103 1 Template:WikiProject_banner_shell"," 25.22% 72.445 1 Template:WikiProject_Geology"," 24.41% 70.126 1 Template:Archives"," 23.93% 68.733 1 Template:Old_TfD"," 18.76% 53.872 1 Template:Tmbox"," 13.66% 39.242 11 Template:Th/abp"," 6.32% 18.148 2 Template:Date"," 5.54% 15.910 9 Template:Tmpv"," 4.70% 13.497 2 Template:Ubl"]},"scribunto":{"limitreport-timeusage":{"value":"0.138","limit":"10.000"},"limitreport-memusage":{"value":2986396,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-d8647bfd6-qtvl6","timestamp":"20250221142338","ttl":864000,"transientcontent":true}}});});</script> </body> </html>

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