CINXE.COM

Chattian - Wikipedia

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-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-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Chattian - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-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-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":"e4ea6e4a-54b7-450b-85d1-dbe052d2c2f7","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Chattian","wgTitle":"Chattian","wgCurRevisionId":1258214992,"wgRevisionId":1258214992,"wgArticleId":3004950,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Articles with short description","Short description is different from Wikidata","Pages using gadget WikiMiniAtlas","Articles with German-language sources (de)","Chattian","Oligocene geochronology","Chattian first appearances","Geological ages"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Chattian","wgRelevantArticleId":3004950,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[], "wgRestrictionMove":[],"wgRedirectedFrom":"Late_Oligocene","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":9000,"wgInternalRedirectTargetUrl":"/wiki/Chattian","wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q502171","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.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["mediawiki.action.view.redirect","ext.cite.ux-enhancements","ext.scribunto.logs","site","mediawiki.page.ready","jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher", "ext.gadget.WikiMiniAtlas","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</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.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&amp;only=styles&amp;skin=vector-2022"> <script async="" src="/w/load.php?lang=en&amp;modules=startup&amp;only=scripts&amp;raw=1&amp;skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&amp;modules=site.styles&amp;only=styles&amp;skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <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="Chattian - 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/Chattian"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Chattian&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/Chattian"> <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="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Chattian rootpage-Chattian 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" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page&#039;s font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=C13_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=Chattian" 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=Chattian" 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/wiki/Special:FundraiserRedirector?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=C13_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=Chattian" 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=Chattian" 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-Stratigraphic_definition" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Stratigraphic_definition"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Stratigraphic definition</span> </div> </a> <ul id="toc-Stratigraphic_definition-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Volcanic_event" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Volcanic_event"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Volcanic event</span> </div> </a> <ul id="toc-Volcanic_event-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>References</span> </div> </a> <button aria-controls="toc-References-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle References subsection</span> </button> <ul id="toc-References-sublist" class="vector-toc-list"> <li id="toc-Literature" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Literature"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Literature</span> </div> </a> <ul id="toc-Literature-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>External links</span> </div> </a> <ul id="toc-External_links-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" > <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-main">Chattian</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 22 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--action-progressive mw-portlet-lang-heading-22" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">22 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Chattium" title="Chattium – Afrikaans" lang="af" hreflang="af" data-title="Chattium" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%AE%D8%A7%D8%AA%D9%8A" title="الخاتي – Arabic" lang="ar" hreflang="ar" data-title="الخاتي" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Chatianu" title="Chatianu – Asturian" lang="ast" hreflang="ast" data-title="Chatianu" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Hatij" title="Hatij – Bosnian" lang="bs" hreflang="bs" data-title="Hatij" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Cati%C3%A0" title="Catià – Catalan" lang="ca" hreflang="ca" data-title="Catià" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Chattium" title="Chattium – German" lang="de" hreflang="de" data-title="Chattium" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Chattiense" title="Chattiense – Spanish" lang="es" hreflang="es" data-title="Chattiense" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Chattiar" title="Chattiar – Basque" lang="eu" hreflang="eu" data-title="Chattiar" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%86%D8%A7%D8%AA%DB%8C%D9%86_(%D8%B2%D9%85%DB%8C%D9%86%E2%80%8C%D8%B4%D9%86%D8%A7%D8%B3%DB%8C)" title="چاتین (زمین‌شناسی) – Persian" lang="fa" hreflang="fa" data-title="چاتین (زمین‌شناسی)" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Chattien" title="Chattien – French" lang="fr" hreflang="fr" data-title="Chattien" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Chattium" title="Chattium – Indonesian" lang="id" hreflang="id" data-title="Chattium" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Chattiano" title="Chattiano – Italian" lang="it" hreflang="it" data-title="Chattiano" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Chattien" title="Chattien – Dutch" lang="nl" hreflang="nl" data-title="Chattien" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%81%E3%83%A3%E3%83%83%E3%83%86%E3%82%A3%E3%82%A2%E3%83%B3" title="チャッティアン – Japanese" lang="ja" hreflang="ja" data-title="チャッティアン" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Chattium" title="Chattium – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Chattium" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Chattium" title="Chattium – Low German" lang="nds" hreflang="nds" data-title="Chattium" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Szat" title="Szat – Polish" lang="pl" hreflang="pl" data-title="Szat" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Catiano" title="Catiano – Portuguese" lang="pt" hreflang="pt" data-title="Catiano" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Hat_(geologija)" title="Hat (geologija) – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Hat (geologija)" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A5%D0%B0%D1%82%D1%82%D1%81%D1%8C%D0%BA%D0%B8%D0%B9_%D1%8F%D1%80%D1%83%D1%81" title="Хаттський ярус – Ukrainian" lang="uk" hreflang="uk" data-title="Хаттський ярус" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/T%E1%BA%A7ng_Chatti" title="Tầng Chatti – Vietnamese" lang="vi" hreflang="vi" data-title="Tầng Chatti" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%81%B0%E7%89%B9%E6%9C%9F" title="恰特期 – Chinese" lang="zh" hreflang="zh" data-title="恰特期" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q502171#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Chattian" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Chattian" 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/Chattian"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Chattian&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Chattian&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/Chattian"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Chattian&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Chattian&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/Chattian" 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/Chattian" 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="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Chattian&amp;oldid=1258214992" 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=Chattian&amp;action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&amp;page=Chattian&amp;id=1258214992&amp;wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</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%2FChattian"><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%2FChattian"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&amp;page=Chattian&amp;action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Chattian&amp;printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Chattian" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q502171" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=Late_Oligocene&amp;redirect=no" class="mw-redirect" title="Late Oligocene">Late Oligocene</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Second age of the Oligocene Epoch</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox" style="width:23em;"><tbody><tr><th colspan="2" class="infobox-above" style="padding:0.25em 0.33em 0.33em;line-height:1.2em;font-size:1.25em;background:rgb(254,230,170);">Chattian</th></tr><tr><td colspan="2" class="infobox-subheader"><span class="noprint"><span style="display:inline-block;"></span><span style="display:inline-block;">27.82 – 23.03 <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Ma</a></span> <span style="display:inline-block;"></span><div id="Timeline-row" style="margin: 4px auto 0; clear:both; width:220px; padding:0px; height:18px; overflow:visible; white-space:nowrap; border:1px #666; border-style:solid none; position:relative; z-index:0; font-size:97%;"> <div style="position:absolute; height:100%; left:0px; width:207.23076923077px; padding-left:5px; text-align:left; background-color:rgb(254,217,106); background-image: linear-gradient(to right, rgba(255,255,255,1), rgba(254,217,106,1) 15%, rgba(254,217,106,1));"><a href="/wiki/Precambrian" title="Precambrian">PreꞒ</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(127,160,86); left:37.636923076923px; width:18.073846153846px;"><a href="/wiki/Cambrian" title="Cambrian">Ꞓ</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(0,146,112); left:55.710769230769px; width:14.08px;"><a href="/wiki/Ordovician" title="Ordovician">O</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(179,225,182); left:69.790769230769px; width:8.3261538461539px;"><a href="/wiki/Silurian" title="Silurian">S</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(203,140,55); left:78.116923076923px; width:20.409230769231px;"><a href="/wiki/Devonian" title="Devonian">D</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(103,165,153); left:98.526153846154px; width:20.307692307692px;"><a href="/wiki/Carboniferous" title="Carboniferous">C</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(240,64,40); left:118.83384615385px; width:15.907015384615px;"><a href="/wiki/Permian" title="Permian">P</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(129,43,146); left:134.74086153846px; width:17.092984615385px;"><a href="/wiki/Triassic" title="Triassic">T</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(52,178,201); left:151.83384615385px; width:19.089230769231px;"><a href="/wiki/Jurassic" title="Jurassic">J</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(127,198,78); left:170.92307692308px; width:26.738461538462px;"><a href="/wiki/Cretaceous" title="Cretaceous">K</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(253,154,82); left:197.66153846154px; width:14.543692307692px;"><a href="/wiki/Paleogene" title="Paleogene">Pg</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(255,230,25); left:212.20523076923px; width:6.9215384615385px;"><a href="/wiki/Neogene" title="Neogene">N</a></div> <div id="end-border" style="position:absolute; height:100%; background-color:#666; width:1px; left:219px"></div><div style="margin:0 auto; line-height:0; clear:both; width:220px; padding:0px; height:8px; overflow:visible; background-color:transparent; position:relative; top:-4px; z-index:100;"> <div style="position:absolute; left:210.584px; font-size:50%"><div style="position:relative; left:-0.42em">&#8595;</div></div> </div> </div></span></td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Chronology</th></tr><tr><td colspan="2" class="infobox-full-data"><div style="font-size:14px"><table id="Container" role="presentation" class="toccolours searchaux" style="text-align:left;padding:0 0.5em;border-style:none;margin:auto;overflow:hidden;min-width:23.65em"><tbody><tr style="vertical-align:top"><td id="Scale" style="padding:0;margin:0.7em 0 0.7em 0;width:4.2em;position:relative;float:left;font-size:100%;height:32em;border-right:1px solid #242020"><div style="float:right;position:absolute;right:-1px;top:29.56em;transform:translateY(-50%)"><span style="font-size:90%">&#8722;65&#160;&#8212;</span></div><div style="float:right;position:absolute;right:-1px;top:27.91em;transform:translateY(-50%)"><span style="font-size:90%">&#8211;</span></div><div style="float:right;position:absolute;right:-1px;top:26.25em;transform:translateY(-50%)"><span style="font-size:90%">&#8722;60&#160;&#8212;</span></div><div style="float:right;position:absolute;right:-1px;top:24.60em;transform:translateY(-50%)"><span style="font-size:90%">&#8211;</span></div><div style="float:right;position:absolute;right:-1px;top:22.94em;transform:translateY(-50%)"><span style="font-size:90%">&#8722;55&#160;&#8212;</span></div><div style="float:right;position:absolute;right:-1px;top:21.29em;transform:translateY(-50%)"><span style="font-size:90%">&#8211;</span></div><div style="float:right;position:absolute;right:-1px;top:19.63em;transform:translateY(-50%)"><span style="font-size:90%">&#8722;50&#160;&#8212;</span></div><div style="float:right;position:absolute;right:-1px;top:17.98em;transform:translateY(-50%)"><span style="font-size:90%">&#8211;</span></div><div style="float:right;position:absolute;right:-1px;top:16.32em;transform:translateY(-50%)"><span style="font-size:90%">&#8722;45&#160;&#8212;</span></div><div style="float:right;position:absolute;right:-1px;top:14.67em;transform:translateY(-50%)"><span style="font-size:90%">&#8211;</span></div><div style="float:right;position:absolute;right:-1px;top:13.01em;transform:translateY(-50%)"><span style="font-size:90%">&#8722;40&#160;&#8212;</span></div><div style="float:right;position:absolute;right:-1px;top:11.36em;transform:translateY(-50%)"><span style="font-size:90%">&#8211;</span></div><div style="float:right;position:absolute;right:-1px;top:9.70em;transform:translateY(-50%)"><span style="font-size:90%">&#8722;35&#160;&#8212;</span></div><div style="float:right;position:absolute;right:-1px;top:8.05em;transform:translateY(-50%)"><span style="font-size:90%">&#8211;</span></div><div style="float:right;position:absolute;right:-1px;top:6.39em;transform:translateY(-50%)"><span style="font-size:90%">&#8722;30&#160;&#8212;</span></div><div style="float:right;position:absolute;right:-1px;top:4.74em;transform:translateY(-50%)"><span style="font-size:90%">&#8211;</span></div><div style="float:right;position:absolute;right:-1px;top:3.08em;transform:translateY(-50%)"><span style="font-size:90%">&#8722;25&#160;&#8212;</span></div><div style="float:right;position:absolute;right:-1px;top:1.43em;transform:translateY(-50%)"><span style="font-size:90%">&#8211;</span></div></td><td id="Timeline" class="toccolours notheme" style="padding:0px;margin:0.7em 0 0.7em 0;position:relative;font-size:100%;width:7.5em;height:32em;float:left;border:none;background-color:#000000"><div class="notheme" style="font-size:100%;background-color:rgb(103,197,202);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:30.222em;height:1.778em;left:0.000em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><span style="line-height:10px;display:block;"><b><a href="/wiki/Mesozoic" title="Mesozoic">M<br />Z</a></b></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(242,249,29);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:30.222em;left:0.000em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-15.111em;transform:translateY(-50%);z-index:5"><span style="line-height:16px;display:block;"><b><a href="/wiki/Cenozoic" title="Cenozoic">C<br />e<br />n<br />o<br />z<br />o<br />i<br />c</a></b></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(127,198,78);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:30.222em;height:1.778em;left:0.900em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><b><a href="/wiki/Cretaceous" title="Cretaceous">K</a></b></div></div><div class="notheme" style="font-size:100%;background-color:rgb(253,154,82);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:1.778em;height:28.344em;left:0.900em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-14.172em;transform:translateY(-50%);z-index:5"><span style="line-height:16px;display:block;"><b><a href="/wiki/Paleogene" title="Paleogene">P<br />a<br />l<br />e<br />o<br />g<br />e<br />n<br />e</a></b></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(255,230,25);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:1.778em;left:0.900em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><b><a href="/wiki/Neogene" title="Neogene">N</a></b></div></div><div class="notheme" style="font-size:100%;background-color:rgb(166,216,74);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:30.222em;height:1.778em;left:1.800em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><a href="/wiki/Late_Cretaceous" title="Late Cretaceous"><span style="line-height:11px;display:block;">L<br />K</span></a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(253,167,95);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:23.602em;height:6.520em;left:1.800em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-3.260em;transform:translateY(-50%);z-index:5"><span style="line-height:9px;display:block;"><a href="/wiki/Paleocene" title="Paleocene">P<br />a<br />l<br />e<br />o<br />c<br />e<br />n<br />e</a><br /><br /></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(253,180,108);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:8.973em;height:14.629em;left:1.800em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-7.315em;transform:translateY(-50%);z-index:5"><span style="line-height:14px;display:block;"><a href="/wiki/Eocene" title="Eocene">E<br />o<br />c<br />e<br />n<br />e</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(254,192,122);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:1.778em;height:7.095em;left:1.800em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-3.548em;transform:translateY(-50%);z-index:5"><span style="line-height:10px;display:block;"><a href="/wiki/Oligocene" title="Oligocene">O<br />l<br />i<br />g<br />o<br />c<br />e<br />n<br />e</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(255,255,0);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:1.778em;left:1.800em;width:0.825em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><a href="/wiki/Miocene" title="Miocene"><span style="line-height:11px;display:block;">M<br />C</span></a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(242,250,140);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:30.222em;height:1.778em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><a href="/wiki/Maastrichtian" title="Maastrichtian"><span style="font-size:90%">Maastricht.</span></a></div></div><div class="notheme" style="font-size:100%;background-color:rgb(253,180,98);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:27.309em;height:2.813em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.406em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Danian" title="Danian">Danian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(254,191,101);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:25.721em;height:1.589em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.794em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Selandian" title="Selandian">Selandian</a><br /></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(253,191,111);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:23.602em;height:2.018em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.009em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Thanetian" title="Thanetian">Thanetian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(252,167,115);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:18.175em;height:5.428em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-2.714em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Ypresian" title="Ypresian">Ypresian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(253,180,130);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:13.872em;height:4.203em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-2.101em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Lutetian" title="Lutetian">Lutetian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(253,192,145);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:11.687em;height:2.184em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.092em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Bartonian" title="Bartonian">Bartonian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(253,205,161);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:8.973em;height:2.714em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.357em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Priabonian" title="Priabonian">Priabonian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(254,217,154);border-width:0.05em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:5.134em;height:3.739em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.870em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a href="/wiki/Rupelian" title="Rupelian">Rupelian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(254,230,170);border-width:0em;border-style:solid none;position:absolute;text-align:center;margin:0;padding:0;top:1.778em;height:3.356em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-1.678em;transform:translateY(-50%);z-index:5"><span style="font-size:90%"><a class="mw-selflink selflink">Chattian</a></span></div></div><div class="notheme" style="font-size:100%;background-color:rgb(255,255,51);border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:1.778em;left:2.700em;width:4.800em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.889em;transform:translateY(-50%);z-index:5"><a href="/wiki/Aquitanian_(stage)" title="Aquitanian (stage)"><span style="font-size:90%">Aquitanian</span></a></div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:0.000em;height:32.000em;left:7.425em;width:0.075em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-16.000em;transform:translateY(-50%);z-index:5">&#160;</div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:30.222em;height:0.033em;left:0.000em;width:7.500em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.017em;transform:translateY(-50%);z-index:5">&#160;</div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:11.555em;height:0.066em;left:2.625em;width:4.875em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.033em;transform:translateY(-50%);z-index:5">&#160;</div></div><div class="notheme" style="font-size:100%;background-color:#000000;border-style:none none;position:absolute;text-align:center;margin:0;padding:0;top:1.778em;height:0.033em;left:0.825em;width:6.675em"><div class="notheme" style="position:relative;text-align:center;vertical-align:middle;display:block;bottom:-0.017em;transform:translateY(-50%);z-index:5">&#160;</div></div></td><td id="Annotations" style="padding:0;margin:0.7em 0 0.7em 0;float:left;position:relative;width:10.25em;height:32em"><table role="presentation" style="position:absolute;z-index:15;top:23.602em;left:0em;transform:translateY(-50%);padding:0;margin:0;font-size:100%"><tbody><tr><td style="padding:0;text-align:left;vertical-align:middle"><span style="color:var( --color-base, #000)">&#8592;</span></td><td style="padding:0;text-align:left;vertical-align:middle"><div style="z-index:10;font-size:90%;color:var( --color-base, #000);display:block;line-height:105%;bottom:0"><a href="/wiki/Paleocene%E2%80%93Eocene_Thermal_Maximum" title="Paleocene–Eocene Thermal Maximum">PETM</a></div></td></tr></tbody></table><table role="presentation" style="position:absolute;z-index:15;top:8.973em;left:0em;transform:translateY(-50%);padding:0;margin:0;font-size:100%"><tbody><tr><td style="padding:0;text-align:left;vertical-align:middle"><span style="color:var( --color-base, #000)">&#8592;</span></td><td style="padding:0;text-align:left;vertical-align:middle"><div style="z-index:10;font-size:90%;color:var( --color-base, #000);display:block;line-height:105%;bottom:0"><span style="line-height:10px; display:block;">First Antarctic <a href="/wiki/Ice-sheet" class="mw-redirect" title="Ice-sheet">permanent ice-sheets</a><sup id="cite_ref-Zachos2k5_1-0" class="reference"><a href="#cite_note-Zachos2k5-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup></span></div></td></tr></tbody></table><table role="presentation" style="position:absolute;z-index:15;top:30.090em;left:0em;transform:translateY(-50%);padding:0;margin:0;font-size:100%"><tbody><tr><td style="padding:0;text-align:left;vertical-align:middle"><span style="color:var( --color-base, #000)">&#8592;</span></td><td style="padding:0;text-align:left;vertical-align:middle"><div style="z-index:10;font-size:90%;color:var( --color-base, #000);display:block;line-height:105%;bottom:0"><span style="line-height:10px;display:block;"><a href="/wiki/Cretaceous%E2%80%93Paleogene_extinction_event" title="Cretaceous–Paleogene extinction event">K-Pg mass<br />extinction</a></span></div></td></tr></tbody></table></td></tr><tr><td id="Caption" colspan="3" style="padding:0;margin:0 0.2em 0.7em 0.2em"><div id="Caption" class="toccolours" style="margin:0 auto;float:left;border-style:none;clear:both;text-align:center;width:20.5em"><b>Subdivision of the Paleogene according to the <a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">ICS</a>, as of 2021.</b><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup><br />Vertical axis scale: millions of years ago<br /></div></td></tr></tbody></table></div></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Formerly part of</th><td class="infobox-data"><a href="/wiki/Tertiary" title="Tertiary">Tertiary</a> <a href="/wiki/Geological_period" class="mw-redirect" title="Geological period">Period</a>/<a href="/wiki/System_(stratigraphy)" title="System (stratigraphy)">System</a></td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Etymology</th></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Name formality</th><td class="infobox-data">Formal</td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Usage information</th></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Celestial body</th><td class="infobox-data"><a href="/wiki/Geological_history_of_Earth" title="Geological history of Earth">Earth</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Regional usage</th><td class="infobox-data">Global (<a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">ICS</a>)</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Time scale(s) used</th><td class="infobox-data">ICS Time Scale</td></tr><tr><th colspan="2" class="infobox-header" style="background:#ededed;">Definition</th></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Chronological unit</th><td class="infobox-data"><a href="/wiki/Age_(geology)" class="mw-redirect" title="Age (geology)">Age</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Stratigraphic unit</th><td class="infobox-data"><a href="/wiki/Stage_(stratigraphy)" title="Stage (stratigraphy)">Stage</a></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Time span formality</th><td class="infobox-data">Formal</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Lower boundary definition</th><td class="infobox-data"><a href="/w/index.php?title=Last_appearance_datum&amp;action=edit&amp;redlink=1" class="new" title="Last appearance datum (page does not exist)">LAD</a> of the <a href="/wiki/Foraminifera" title="Foraminifera">Planktonic Foraminifer</a> <a href="/w/index.php?title=Chiloguembelina&amp;action=edit&amp;redlink=1" class="new" title="Chiloguembelina (page does not exist)">Chiloguembelina</a> (Base of Foram Zone P21b)</td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Lower boundary GSSP</th><td class="infobox-data"><a href="/w/index.php?title=Monte_Cagnero&amp;action=edit&amp;redlink=1" class="new" title="Monte Cagnero (page does not exist)">Monte Cagnero</a>, <a href="/wiki/Apennines" class="mw-redirect" title="Apennines">Central Apennines</a>, Italy<br /><span class="geo-inline"><style data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Chattian&amp;params=43.6466_N_12.4677_E_"><span class="geo-nondefault"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">43°38′48″N</span> <span class="longitude">12°28′04″E</span></span></span><span class="geo-multi-punct">&#xfeff; / &#xfeff;</span><span class="geo-default"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">43.6466°N 12.4677°E</span><span style="display:none">&#xfeff; / <span class="geo">43.6466; 12.4677</span></span></span></a></span></span></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Lower GSSP ratified</th><td class="infobox-data">September 2016<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Upper boundary definition</th><td class="infobox-data"> <ul><li>Base of magnetic polarity <a href="/wiki/Chronozone" title="Chronozone">chronozone</a> C6Cn.2n.</li> <li><a href="/wiki/First_appearance_datum" title="First appearance datum">FAD</a> of the <a href="/wiki/Foraminifera" title="Foraminifera">Planktonic Foraminiferan</a> <i><a href="/w/index.php?title=Paragloborotalia&amp;action=edit&amp;redlink=1" class="new" title="Paragloborotalia (page does not exist)">Paragloborotalia kugleri</a></i></li></ul> </td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Upper boundary GSSP</th><td class="infobox-data">Lemme-Carrosio Section, <a href="/wiki/Carrosio" title="Carrosio">Carrosio</a>, <a href="/wiki/Italy" title="Italy">Italy</a><br /><span class="geo-inline"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1156832818"><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Chattian&amp;params=44.6589_N_8.8364_E_"><span class="geo-nondefault"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">44°39′32″N</span> <span class="longitude">8°50′11″E</span></span></span><span class="geo-multi-punct">&#xfeff; / &#xfeff;</span><span class="geo-default"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">44.6589°N 8.8364°E</span><span style="display:none">&#xfeff; / <span class="geo">44.6589; 8.8364</span></span></span></a></span></span></td></tr><tr><th scope="row" class="infobox-label" style="width:10em;">Upper GSSP ratified</th><td class="infobox-data">1996<sup id="cite_ref-Steininger_1997_4-0" class="reference"><a href="#cite_note-Steininger_1997-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></td></tr></tbody></table> <p>The <b>Chattian</b> is, in the <a href="/wiki/Geologic_timescale" class="mw-redirect" title="Geologic timescale">geologic timescale</a>, the younger of two <a href="/wiki/Age_(geology)" class="mw-redirect" title="Age (geology)">ages</a> or upper of two <a href="/wiki/Stage_(stratigraphy)" title="Stage (stratigraphy)">stages</a> of the <a href="/wiki/Oligocene" title="Oligocene">Oligocene</a> <a href="/wiki/Epoch_(geology)" class="mw-redirect" title="Epoch (geology)">Epoch</a>/<a href="/wiki/Series_(stratigraphy)" title="Series (stratigraphy)">Series</a>. It spans the time between <span class="nourlexpansion plainlinks" style="white-space:nowrap;"><a rel="nofollow" class="external text" href="https://geoltime.github.io/?Ma=27.82">27.82</a> and</span> <span class="nourlexpansion plainlinks" style="white-space:nowrap;"><a rel="nofollow" class="external text" href="https://geoltime.github.io/?Ma=23.03">23.03</a> Ma</span>. The Chattian is preceded by the <a href="/wiki/Rupelian" title="Rupelian">Rupelian</a> and is followed by the <a href="/wiki/Aquitanian_(stage)" title="Aquitanian (stage)">Aquitanian</a> (the lowest stage of the <a href="/wiki/Miocene" title="Miocene">Miocene</a>).<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Stratigraphic_definition">Stratigraphic definition</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Chattian&amp;action=edit&amp;section=1" title="Edit section: Stratigraphic definition"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Chattian was introduced by <a href="/wiki/Austria" title="Austria">Austrian</a> palaeontologist <a href="/wiki/Theodor_Fuchs" title="Theodor Fuchs">Theodor Fuchs</a> in 1894.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> Fuchs named the stage after the <a href="/wiki/Chatti" title="Chatti">Chatti</a>, a <a href="/wiki/Germanic_peoples" title="Germanic peoples">Germanic</a> tribe.<sup id="cite_ref-berry_7-0" class="reference"><a href="#cite_note-berry-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> The original <a href="/wiki/Type_locality_(geology)" title="Type locality (geology)">type locality</a> was near the <a href="/wiki/Germany" title="Germany">German</a> city of <a href="/wiki/Kassel" title="Kassel">Kassel</a>. </p><p>The base of the Chattian is at the <a href="/wiki/Extinction" title="Extinction">extinction</a> of the <a href="/wiki/Foram" class="mw-redirect" title="Foram">foram</a> <a href="/wiki/Genus" title="Genus">genus</a> <i>Chiloguembelina</i> (which is also the base of <a href="/wiki/Foram" class="mw-redirect" title="Foram">foram</a> <a href="/wiki/Biozone" title="Biozone">biozone</a> P21b). An official <a href="/wiki/GSSP" class="mw-redirect" title="GSSP">GSSP</a> for the Chattian Stage was ratified in October of 2016. </p><p>The top of the Chattian Stage (which is the base of the Aquitanian Stage, Miocene Series and <a href="/wiki/Neogene" title="Neogene">Neogene</a> <a href="/wiki/System_(stratigraphy)" title="System (stratigraphy)">System</a>) is at the first appearance of <a href="/wiki/Foram" class="mw-redirect" title="Foram">foram</a> species <i>Paragloborotalia kugleri</i>, the <a href="/wiki/Extinction" title="Extinction">extinction</a> of calcareous <a href="/wiki/Plankton#Size_groups" title="Plankton">nanoplankton</a> species <i>Reticulofenestra bisecta</i> (which forms the base of nanoplankton <a href="/wiki/Biozone" title="Biozone">biozone</a> NN1), and the base of <a href="/wiki/Magnetic" class="mw-redirect" title="Magnetic">magnetic</a> C6Cn.2n. </p><p>The Chattian is coeval with regionally used stages or zones such as the upper Avernian <a href="/wiki/European_Land_Mammal_Mega_Zone" class="mw-redirect" title="European Land Mammal Mega Zone">European mammal zone</a> (it spans the <a href="/wiki/Mammal_Paleogene_zones" title="Mammal Paleogene zones">Mammal Paleogene zones</a> 30 through 26 and part of 25<sup id="cite_ref-MP_8-0" class="reference"><a href="#cite_note-MP-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup>); the upper <a href="/wiki/Geringian" title="Geringian">Geringian</a> and lower <a href="/wiki/Arikareean" title="Arikareean">Arikareean</a> <a href="/wiki/NALMA" class="mw-redirect" title="NALMA">mammal zones</a> of North America; most of the <a href="/wiki/Deseadan" title="Deseadan">Deseadan</a> <a href="/wiki/SALMA" class="mw-redirect" title="SALMA">mammal zone</a> of South America; the upper Hsandgolian and whole <a href="/wiki/Tabenbulakian" title="Tabenbulakian">Tabenbulakian</a> <a href="/wiki/Asian_Land_Mammal_Age" class="mw-redirect" title="Asian Land Mammal Age">mammal zone</a> of Asia; the upper Kiscellian and lower Egerian <a href="/wiki/Paratethys" title="Paratethys">Paratethys</a> stages of Central and eastern Europe; the upper Janjukian and lower Longfordian Australian regional stages; the Otaian, Waitakian, and Duntroonian stages of the <a href="/wiki/New_Zealand_geologic_time_scale" title="New Zealand geologic time scale">New Zealand geologic time scale</a>; and part of the Zemorrian Californian stage and Chickasawhayan regional stage of the eastern US. </p> <div class="mw-heading mw-heading2"><h2 id="Volcanic_event">Volcanic event</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Chattian&amp;action=edit&amp;section=2" title="Edit section: Volcanic event"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>During the Chattian the largest known single-event <a href="/wiki/Volcanic_eruption" class="mw-redirect" title="Volcanic eruption">volcanic eruption</a> occurred: the <a href="/wiki/Fish_Canyon_Tuff" title="Fish Canyon Tuff">Fish Canyon eruption</a> of <a href="/wiki/La_Garita_Caldera" title="La Garita Caldera">La Garita</a> with a magnitude of 9.2 and <a href="/wiki/VEI" class="mw-redirect" title="VEI">VEI</a> of 8.<sup id="cite_ref-Mason2004_9-0" class="reference"><a href="#cite_note-Mason2004-9"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> It has been dated to <span class="nowrap"><span data-sort-value="7014868149576000000♠"></span>27.51&#160;Ma</span> ago.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">&#91;</span>10<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Chattian&amp;action=edit&amp;section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Zachos2k5-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-Zachos2k5_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFZachos,_J._C.Kump,_L._R.2005" class="citation journal cs1">Zachos, J. C.; Kump, L. R. (2005). "Carbon cycle feedbacks and the initiation of Antarctic glaciation in the earliest Oligocene". <i>Global and Planetary Change</i>. <b>47</b> (1): 51–66. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2005GPC....47...51Z">2005GPC....47...51Z</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.gloplacha.2005.01.001">10.1016/j.gloplacha.2005.01.001</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Global+and+Planetary+Change&amp;rft.atitle=Carbon+cycle+feedbacks+and+the+initiation+of+Antarctic+glaciation+in+the+earliest+Oligocene&amp;rft.volume=47&amp;rft.issue=1&amp;rft.pages=51-66&amp;rft.date=2005&amp;rft_id=info%3Adoi%2F10.1016%2Fj.gloplacha.2005.01.001&amp;rft_id=info%3Abibcode%2F2005GPC....47...51Z&amp;rft.au=Zachos%2C+J.+C.&amp;rft.au=Kump%2C+L.+R.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AChattian" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://stratigraphy.org/ICSchart/ChronostratChart2020-01.pdf">"International Chronostratigraphic Chart"</a> <span class="cs1-format">(PDF)</span>. International Commission on Stratigraphy.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=International+Chronostratigraphic+Chart&amp;rft.pub=International+Commission+on+Stratigraphy&amp;rft_id=https%3A%2F%2Fstratigraphy.org%2FICSchart%2FChronostratChart2020-01.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AChattian" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCoccioniMontanariNiceBrinkhuis2018" class="citation journal cs1">Coccioni, Rodolfo; Montanari, Alessandro; Nice, David; Brinkhuis, Henk; Deino, Alain; Frontalini, Fabrizio; Liter, Fabrizio; Maiorano, Patricia; Monechi, Simonetta; Prods, Jörg; Rochette, Pierre; Sagnotti, Leonardo; Sideri, Marianna; Sprovieri, Mario; Tateo, Fabio; Touchard, Yannick; Can Simaeys, Stefaan; Williams, Graham L. (1 March 2018). <a rel="nofollow" class="external text" href="https://doi.org/10.18814%2Fepiiugs%2F2018%2Fv41i1%2F018003">"The Global Stratotype Section and Point (GSSP) for the base of the Chattian stage (Paleogene System, Oligocene Series) at Monte Cagnero, Italy"</a>. <i>Episodes</i>. <b>41</b> (1): 17–32. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.18814%2Fepiiugs%2F2018%2Fv41i1%2F018003">10.18814/epiiugs/2018/v41i1/018003</a></span>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/11573%2F1611823">11573/1611823</a></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Episodes&amp;rft.atitle=The+Global+Stratotype+Section+and+Point+%28GSSP%29+for+the+base+of+the+Chattian+stage+%28Paleogene+System%2C+Oligocene+Series%29+at+Monte+Cagnero%2C+Italy&amp;rft.volume=41&amp;rft.issue=1&amp;rft.pages=17-32&amp;rft.date=2018-03-01&amp;rft_id=info%3Ahdl%2F11573%2F1611823&amp;rft_id=info%3Adoi%2F10.18814%2Fepiiugs%2F2018%2Fv41i1%2F018003&amp;rft.aulast=Coccioni&amp;rft.aufirst=Rodolfo&amp;rft.au=Montanari%2C+Alessandro&amp;rft.au=Nice%2C+David&amp;rft.au=Brinkhuis%2C+Henk&amp;rft.au=Deino%2C+Alain&amp;rft.au=Frontalini%2C+Fabrizio&amp;rft.au=Liter%2C+Fabrizio&amp;rft.au=Maiorano%2C+Patricia&amp;rft.au=Monechi%2C+Simonetta&amp;rft.au=Prods%2C+J%C3%B6rg&amp;rft.au=Rochette%2C+Pierre&amp;rft.au=Sagnotti%2C+Leonardo&amp;rft.au=Sideri%2C+Marianna&amp;rft.au=Sprovieri%2C+Mario&amp;rft.au=Tateo%2C+Fabio&amp;rft.au=Touchard%2C+Yannick&amp;rft.au=Can+Simaeys%2C+Stefaan&amp;rft.au=Williams%2C+Graham+L.&amp;rft_id=https%3A%2F%2Fdoi.org%2F10.18814%252Fepiiugs%252F2018%252Fv41i1%252F018003&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AChattian" class="Z3988"></span></span> </li> <li id="cite_note-Steininger_1997-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-Steininger_1997_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSteiningerM._P._AubryW._A._BerggrenM._Biolzi1997" class="citation journal cs1">Steininger, Fritz F.; M. P. Aubry; W. A. Berggren; M. Biolzi; A. M. Borsetti; Julie E. Cartlidge; F. Cati; R. Corfield; R. Gelati; S. Iaccarino; C. Napoleone; F. Ottner; F. Rögl; R. Roetzel; S. Spezzaferri; F. Tateo; G. Villa; D. Zevenboom (1997). <a rel="nofollow" class="external text" href="http://www.stratigraphy.org/GSSP/file9.pdf">"The Global Stratotype Section and Point (GSSP) for the base of the Neogene"</a> <span class="cs1-format">(PDF)</span>. <i>Episodes</i>. <b>20</b> (1): 23–28. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.18814%2Fepiiugs%2F1997%2Fv20i1%2F005">10.18814/epiiugs/1997/v20i1/005</a></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Episodes&amp;rft.atitle=The+Global+Stratotype+Section+and+Point+%28GSSP%29+for+the+base+of+the+Neogene&amp;rft.volume=20&amp;rft.issue=1&amp;rft.pages=23-28&amp;rft.date=1997&amp;rft_id=info%3Adoi%2F10.18814%2Fepiiugs%2F1997%2Fv20i1%2F005&amp;rft.aulast=Steininger&amp;rft.aufirst=Fritz+F.&amp;rft.au=M.+P.+Aubry&amp;rft.au=W.+A.+Berggren&amp;rft.au=M.+Biolzi&amp;rft.au=A.+M.+Borsetti&amp;rft.au=Julie+E.+Cartlidge&amp;rft.au=F.+Cati&amp;rft.au=R.+Corfield&amp;rft.au=R.+Gelati&amp;rft.au=S.+Iaccarino&amp;rft.au=C.+Napoleone&amp;rft.au=F.+Ottner&amp;rft.au=F.+R%C3%B6gl&amp;rft.au=R.+Roetzel&amp;rft.au=S.+Spezzaferri&amp;rft.au=F.+Tateo&amp;rft.au=G.+Villa&amp;rft.au=D.+Zevenboom&amp;rft_id=http%3A%2F%2Fwww.stratigraphy.org%2FGSSP%2Ffile9.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AChattian" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.stratigraphy.org/index.php/ics-chart-timescale">"International Commission on Stratigraphy 2017"</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=International+Commission+on+Stratigraphy+2017&amp;rft_id=http%3A%2F%2Fwww.stratigraphy.org%2Findex.php%2Fics-chart-timescale&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AChattian" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text">Harland, Brian et al. <i>A Geological Time Scale 1989</i>, Cambridge University Press, 1982. pp 64. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/0-521-38361-7" title="Special:BookSources/0-521-38361-7">0-521-38361-7</a></span> </li> <li id="cite_note-berry-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-berry_7-0">^</a></b></span> <span class="reference-text">Berry, Edward W. <a rel="nofollow" class="external text" href="https://www.jstor.org/stable/6334">"The Mayence Basin, a Chapter of Geologic History"</a>, <i><a href="/wiki/The_Scientific_Monthly" title="The Scientific Monthly">The Scientific Monthly</a></i>, Vol. 16, No. 2, February 1923. pp. 114. Retrieved March 18, 2020.</span> </li> <li id="cite_note-MP-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-MP_8-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAlroy" class="citation web cs1">Alroy, John. <a rel="nofollow" class="external text" href="https://paleodb.org/cgi-bin/bridge.pl?action=processViewScale&amp;scale_no=125">"Mammal Paleogene zones"</a>. p.&#160;The Paleobiology Database<span class="reference-accessdate">. Retrieved <span class="nowrap">15 July</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Mammal+Paleogene+zones&amp;rft.pages=The+Paleobiology+Database&amp;rft.aulast=Alroy&amp;rft.aufirst=John&amp;rft_id=https%3A%2F%2Fpaleodb.org%2Fcgi-bin%2Fbridge.pl%3Faction%3DprocessViewScale%26scale_no%3D125&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AChattian" class="Z3988"></span></span> </li> <li id="cite_note-Mason2004-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-Mason2004_9-0">^</a></b></span> <span class="reference-text">Mason <i>et al.</i> (2004)</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text">Lanphere &amp; Baadsgaard (2001)</span> </li> </ol></div></div> <div class="mw-heading mw-heading3"><h3 id="Literature">Literature</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Chattian&amp;action=edit&amp;section=4" title="Edit section: Literature"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><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="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/38px-Wikisource-logo.svg.png" decoding="async" width="38" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/57px-Wikisource-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/76px-Wikisource-logo.svg.png 2x" data-file-width="410" data-file-height="430" /></span></span></div> <div class="side-box-text plainlist">Wikisource has original works on the topic: <i><b><a href="https://en.wikisource.org/wiki/Portal:Cenozoic#Paleogene" class="extiw" title="s:Portal:Cenozoic">Cenozoic#Paleogene</a></b></i></div></div> </div> <ul><li><style data-mw-deduplicate="TemplateStyles:r920966791">.mw-parser-output span.smallcaps{font-variant:small-caps}.mw-parser-output span.smallcaps-smaller{font-size:85%}</style><span class="smallcaps">Fuchs, T.</span>; <b>1894</b>: <i>Tertiaerfossilien aus den kohlenführenden Miocaenablagerungen der Umgebung von Krapina und Radaboj und über die Stellung der sogenannten "Aquitanischen Stufe"</i>, Königlich- Ungarische Geologische Anstalt, Mittheilungen und Jahrbuch <b>10</b>, p.&#160;163-175. <span class="languageicon">(in German)</span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r920966791"><span class="smallcaps">Gradstein, F.M.; Ogg, J.G. &amp; Smith, A.G.</span>; <b>2004</b>: <i>A Geologic Time Scale 2004</i>, <a href="/wiki/Cambridge_University_Press" title="Cambridge University Press">Cambridge University Press</a>.</li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r920966791"><span class="smallcaps">Lanphere, M.A. &amp; Baadsgaard, H.</span>; <b>2001</b>: <i>Precise K–Ar, <sup>40</sup>Ar/<sup>39</sup>Ar, Rb–Sr and U/Pb mineral ages from the 27.5 Ma Fish Canyon Tuff reference standard</i>, Chemical Geology <b>175</b>(3–4), pp 653–671.</li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r920966791"><span class="smallcaps">Mason, B.G.; Pyle, D.M. &amp; Oppenheimer, C.</span>; <b>2004</b>: <i>The size and frequency of the largest explosive eruptions on Earth</i>, Bulletin of Volcanology <b>66</b>(8), pp 735–748.</li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Chattian&amp;action=edit&amp;section=5" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100822030348/http://www.stratigraphy.org/bak/geowhen/stages/Chattian.html">Stratigraphy.org: GeoWhen Database for Chattian Age</a></li> <li><a rel="nofollow" class="external text" href="http://stratigraphy.science.purdue.edu/charts/Timeslices/1_Neogene.pdf">Purdue.edu: ICS subcommission for stratigraphic information − Neogene timescale (including the upper Paleogene)</a> — <i>by subcommission of International Commission on Stratigraphy− ICS</i>.</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20060518100342/http://norges.uio.no/timescale/Fig19.1_Pal_bio_colA.pdf">NorgesNetwork.no: Stratigraphic chart of the Paleogene Period</a> — <i>Norwegian records of offshore geology and stratigraphy</i>.</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style><style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"></div><div role="navigation" class="navbox" aria-labelledby="Geological_history_of_Earth" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Geological_history_of_Earth" title="Template:Geological history of Earth"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Geological_history_of_Earth" title="Template talk:Geological history of Earth"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Geological_history_of_Earth" title="Special:EditPage/Template:Geological history of Earth"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Geological_history_of_Earth" style="font-size:114%;margin:0 4em"><a href="/wiki/Geological_history_of_Earth" title="Geological history of Earth">Geological history of Earth</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cenozoic" title="Cenozoic">Cenozoic Era<br /><span class="nobold">(present–66.0 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Quaternary" title="Quaternary">Quaternary <span class="nobold">(present–2.58 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Holocene" title="Holocene">Holocene (present–11.7 ka)</a></li> <li><a href="/wiki/Pleistocene" title="Pleistocene">Pleistocene (11.7 ka–2.58 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Neogene" title="Neogene">Neogene <span class="nobold">(2.58–23.0 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pliocene" title="Pliocene">Pliocene (2.59–5.33 Ma)</a></li> <li><a href="/wiki/Miocene" title="Miocene">Miocene (5.33–23.0 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Paleogene" title="Paleogene">Paleogene <span class="nobold">(23.0–66.0 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oligocene" title="Oligocene">Oligocene (23.0–33.9 Ma)</a></li> <li><a href="/wiki/Eocene" title="Eocene">Eocene (33.9–56.0 Ma)</a></li> <li><a href="/wiki/Paleocene" title="Paleocene">Paleocene (56.0–66.0 Ma)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Mesozoic" title="Mesozoic">Mesozoic Era<br /><span class="nobold">(66.0–252 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Cretaceous" title="Cretaceous">Cretaceous <span class="nobold">(66.0–145 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late (66.0–100 Ma)</a></li> <li><a href="/wiki/Early_Cretaceous" title="Early Cretaceous">Early (100–145 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Jurassic" title="Jurassic">Jurassic <span class="nobold">(145–201 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Jurassic" title="Late Jurassic">Late (145–164 Ma)</a></li> <li><a href="/wiki/Middle_Jurassic" title="Middle Jurassic">Middle (164–174 Ma)</a></li> <li><a href="/wiki/Early_Jurassic" title="Early Jurassic">Early (174–201 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Triassic" title="Triassic">Triassic <span class="nobold">(201–252 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Triassic" title="Late Triassic">Late (201–237 Ma)</a></li> <li><a href="/wiki/Middle_Triassic" title="Middle Triassic">Middle (237–247 Ma)</a></li> <li><a href="/wiki/Early_Triassic" title="Early Triassic">Early (247–252 Ma)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Paleozoic" title="Paleozoic">Paleozoic Era<br /><span class="nobold">(252–539 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Permian" title="Permian">Permian <span class="nobold">(252–299 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lopingian" title="Lopingian">Lopingian (252–260 Ma)</a></li> <li><a href="/wiki/Guadalupian" title="Guadalupian">Guadalupian (260–272 Ma)</a></li> <li><a href="/wiki/Cisuralian" title="Cisuralian">Cisuralian (272–299 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Carboniferous" title="Carboniferous">Carboniferous <span class="nobold">(299–359 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pennsylvanian_(geology)" title="Pennsylvanian (geology)">Pennsylvanian (299–323 Ma)</a></li> <li><a href="/wiki/Mississippian_(geology)" title="Mississippian (geology)">Mississippian (323–359 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Devonian" title="Devonian">Devonian <span class="nobold">(359–419 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Devonian" class="mw-redirect" title="Late Devonian">Late (359–383 Ma)</a></li> <li><a href="/wiki/Middle_Devonian" title="Middle Devonian">Middle (383–393 Ma)</a></li> <li><a href="/wiki/Early_Devonian" title="Early Devonian">Early (393–419 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Silurian" title="Silurian">Silurian <span class="nobold">(419–444 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pridoli_Epoch" title="Pridoli Epoch">Pridoli (419–423 Ma)</a></li> <li><a href="/wiki/Ludlow_Epoch" title="Ludlow Epoch">Ludlow (423–427 Ma)</a></li> <li><a href="/wiki/Wenlock_Epoch" title="Wenlock Epoch">Wenlock (427–433 Ma)</a></li> <li><a href="/wiki/Llandovery_Epoch" title="Llandovery Epoch">Llandovery (433–444 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Ordovician" title="Ordovician">Ordovician <span class="nobold">(444–485 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Late_Ordovician" title="Late Ordovician">Late (444–458 Ma)</a></li> <li><a href="/wiki/Middle_Ordovician" class="mw-redirect" title="Middle Ordovician">Middle (458–470 Ma)</a></li> <li><a href="/wiki/Early_Ordovician" title="Early Ordovician">Early (470–485 Ma)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Cambrian" title="Cambrian">Cambrian <span class="nobold">(485–539 Ma)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Furongian" title="Furongian">Furongian (485–497 Ma)</a></li> <li><a href="/wiki/Miaolingian" title="Miaolingian">Miaolingian (497–509 Ma)</a></li> <li><a href="/wiki/Cambrian_Series_2" title="Cambrian Series 2">Series 2 (509–521 Ma)</a></li> <li><a href="/wiki/Terreneuvian" title="Terreneuvian">Terreneuvian (521–539 Ma)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Proterozoic" title="Proterozoic">Proterozoic Eon<br /><span class="nobold">(539 Ma–2.5 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Neoproterozoic" title="Neoproterozoic">Neoproterozoic <span class="nobold">(539 Ma–1 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ediacaran" title="Ediacaran">Ediacaran (539–635 Ma)</a></li> <li><a href="/wiki/Cryogenian" title="Cryogenian">Cryogenian (635–720 Ma)</a></li> <li><a href="/wiki/Tonian" title="Tonian">Tonian (720 Ma–1 Ga)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Mesoproterozoic" title="Mesoproterozoic">Mesoproterozoic <span class="nobold">(1–1.6 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Stenian" title="Stenian">Stenian (1–1.2 Ga)</a></li> <li><a href="/wiki/Ectasian" title="Ectasian">Ectasian (1.2–1.4 Ga)</a></li> <li><a href="/wiki/Calymmian" title="Calymmian">Calymmian (1.4–1.6 Ga)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:26ch"><a href="/wiki/Paleoproterozoic" title="Paleoproterozoic">Paleoproterozoic <span class="nobold">(1.6–2.5 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Statherian" title="Statherian">Statherian (1.6–1.8 Ga)</a></li> <li><a href="/wiki/Orosirian" title="Orosirian">Orosirian (1.8–2.05 Ga)</a></li> <li><a href="/wiki/Rhyacian" title="Rhyacian">Rhyacian (2.05–2.3 Ga)</a></li> <li><a href="/wiki/Siderian" title="Siderian">Siderian (2.3–2.5 Ga)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Archean" title="Archean">Archean Eon <span class="nobold">(2.5–4 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Neoarchean" title="Neoarchean">Neoarchean (2.5–2.8 Ga)</a></li> <li><a href="/wiki/Mesoarchean" title="Mesoarchean">Mesoarchean (2.8–3.2 Ga)</a></li> <li><a href="/wiki/Paleoarchean" title="Paleoarchean">Paleoarchean (3.2–3.6 Ga)</a></li> <li><a href="/wiki/Eoarchean" title="Eoarchean">Eoarchean (3.6–4 Ga)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hadean" title="Hadean">Hadean Eon <span class="nobold">(4–4.6 Ga)</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">&#160;</div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><a href="/wiki/Year#SI_prefix_multipliers" title="Year">ka</a> = kiloannum (thousand years ago); <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Ma</a> = megaannum (million years ago); <a href="/wiki/Year#SI_prefix_multipliers" title="Year">Ga</a> = gigaannum (billion years ago).<br /> <i>See also:</i> <a href="/wiki/Geologic_time_scale" title="Geologic time scale">Geologic time scale</a> &#160;&#8226;&#32; <span class="nowrap"><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/16px-WikiProject_Geology.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/24px-WikiProject_Geology.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/WikiProject_Geology.svg/32px-WikiProject_Geology.svg.png 2x" data-file-width="327" data-file-height="328" /></a></span> </span><a href="/wiki/Portal:Geology" title="Portal:Geology">Geology&#32;portal</a> &#160;&#8226;&#32; <span class="nowrap"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:The_Earth_seen_from_Apollo_17.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/16px-The_Earth_seen_from_Apollo_17.jpg" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/24px-The_Earth_seen_from_Apollo_17.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/32px-The_Earth_seen_from_Apollo_17.jpg 2x" data-file-width="3000" data-file-height="3002" /></a></span> </span><a href="/wiki/Portal:World" title="Portal:World">World&#32;portal</a></div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐f69cdc8f6‐4fxvw Cached time: 20241122141918 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.809 seconds Real time usage: 1.013 seconds Preprocessor visited node count: 16636/1000000 Post‐expand include size: 208219/2097152 bytes Template argument size: 8136/2097152 bytes Highest expansion depth: 24/100 Expensive parser function count: 3/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 41282/5000000 bytes Lua time usage: 0.451/10.000 seconds Lua memory usage: 18720554/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 889.681 1 -total 29.01% 258.090 1 Template:Infobox_geologic_timespan 19.09% 169.872 1 Template:Reflist 15.09% 134.274 5 Template:Navbox 14.49% 128.888 1 Template:Geological_history 14.23% 126.561 1 Template:In_lang 13.33% 118.569 3 Template:Cite_journal 13.23% 117.719 1 Template:Geological_range 13.11% 116.607 46 Template:Period_start 11.95% 106.312 1 Template:Phanerozoic_220px --> <!-- Saved in parser cache with key enwiki:pcache:idhash:3004950-0!canonical and timestamp 20241122141918 and revision id 1258214992. 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?type=1x1" 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=Chattian&amp;oldid=1258214992">https://en.wikipedia.org/w/index.php?title=Chattian&amp;oldid=1258214992</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:Chattian" title="Category:Chattian">Chattian</a></li><li><a href="/wiki/Category:Oligocene_geochronology" title="Category:Oligocene geochronology">Oligocene geochronology</a></li><li><a href="/wiki/Category:Chattian_first_appearances" title="Category:Chattian first appearances">Chattian first appearances</a></li><li><a href="/wiki/Category:Geological_ages" title="Category:Geological ages">Geological ages</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Pages_using_gadget_WikiMiniAtlas" title="Category:Pages using gadget WikiMiniAtlas">Pages using gadget WikiMiniAtlas</a></li><li><a href="/wiki/Category:Articles_with_German-language_sources_(de)" title="Category:Articles with German-language sources (de)">Articles with German-language sources (de)</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 18 November 2024, at 19:42<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=Chattian&amp;mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-zhjmb","wgBackendResponseTime":147,"wgPageParseReport":{"limitreport":{"cputime":"0.809","walltime":"1.013","ppvisitednodes":{"value":16636,"limit":1000000},"postexpandincludesize":{"value":208219,"limit":2097152},"templateargumentsize":{"value":8136,"limit":2097152},"expansiondepth":{"value":24,"limit":100},"expensivefunctioncount":{"value":3,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":41282,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 889.681 1 -total"," 29.01% 258.090 1 Template:Infobox_geologic_timespan"," 19.09% 169.872 1 Template:Reflist"," 15.09% 134.274 5 Template:Navbox"," 14.49% 128.888 1 Template:Geological_history"," 14.23% 126.561 1 Template:In_lang"," 13.33% 118.569 3 Template:Cite_journal"," 13.23% 117.719 1 Template:Geological_range"," 13.11% 116.607 46 Template:Period_start"," 11.95% 106.312 1 Template:Phanerozoic_220px"]},"scribunto":{"limitreport-timeusage":{"value":"0.451","limit":"10.000"},"limitreport-memusage":{"value":18720554,"limit":52428800},"limitreport-logs":"table#1 {\n [\"size\"] = \"tiny\",\n}\ntable#1 {\n [\"size\"] = \"tiny\",\n}\n"},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-4fxvw","timestamp":"20241122141918","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Chattian","url":"https:\/\/en.wikipedia.org\/wiki\/Chattian","sameAs":"http:\/\/www.wikidata.org\/entity\/Q502171","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q502171","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2005-10-26T19:16:27Z","dateModified":"2024-11-18T19:42:51Z","headline":"second and last age of the Oligocene epoch"}</script> </body> </html>

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