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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logg inn</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"> Sider for utlogga bidragsytarar <a href="/wiki/Hjelp:Introduksjon" aria-label="Lær meir om redigering"><span>lær meir</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/Spesial:Bidraga_mine" title="Liste over endringar gjorde frå denne IP-adressa [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Spesial:Diskusjonssida_mi" title="Diskusjon om endringar gjorde av denne ip-adressa [n]" accesskey="n"><span>Diskusjon</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"></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="Nettstad"> <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="Innhald" 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">Innhald</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">gøym</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">Byrjinga</div> </a> </li> <li id="toc-Geografisk_tidslinjer" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Geografisk_tidslinjer"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Geografisk tidslinjer</span> </div> </a> <ul id="toc-Geografisk_tidslinjer-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Terminologi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Terminologi"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Terminologi</span> </div> </a> <ul id="toc-Terminologi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Historie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historie"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Historie</span> </div> </a> <ul id="toc-Historie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tabell" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tabell"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Tabell</span> </div> </a> <ul id="toc-Tabell-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kjelder" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kjelder"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Kjelder</span> </div> </a> <ul id="toc-Kjelder-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bakgrunnsstoff" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bakgrunnsstoff"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Bakgrunnsstoff</span> </div> </a> <ul id="toc-Bakgrunnsstoff-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="Innhald" 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="Vis/skjul innhaldslista" > <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">Vis/skjul innhaldslista</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">Geologisk tidsskala</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="Gå til ein artikkel på eit anna språk. Tilgjengeleg på 91 språk" > <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-91" 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">91 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Geologisk_tidsskala" title="Geologisk tidsskala – norsk bokmål" lang="nb" hreflang="nb" data-title="Geologisk tidsskala" data-language-autonym="Norsk bokmål" data-language-local-name="norsk bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Geologisk_tidsskala" title="Geologisk tidsskala – svensk" lang="sv" hreflang="sv" data-title="Geologisk tidsskala" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Geologisk_tidsskala" title="Geologisk tidsskala – dansk" lang="da" hreflang="da" data-title="Geologisk tidsskala" data-language-autonym="Dansk" data-language-local-name="dansk" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Geologiese_tydskaal" title="Geologiese tydskaal – afrikaans" lang="af" hreflang="af" data-title="Geologiese tydskaal" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Geologische_Zeitskala" title="Geologische Zeitskala – sveitsertysk" lang="gsw" hreflang="gsw" data-title="Geologische Zeitskala" data-language-autonym="Alemannisch" data-language-local-name="sveitsertysk" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D9%82%D9%8A%D8%A7%D8%B3_%D8%B2%D9%85%D9%86%D9%8A_%D8%AC%D9%8A%D9%88%D9%84%D9%88%D8%AC%D9%8A" title="مقياس زمني جيولوجي – arabisk" lang="ar" hreflang="ar" data-title="مقياس زمني جيولوجي" data-language-autonym="العربية" data-language-local-name="arabisk" 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/Escala_temporal_xeol%C3%B3xica" title="Escala temporal xeolóxica – asturisk" lang="ast" hreflang="ast" data-title="Escala temporal xeolóxica" data-language-autonym="Asturianu" data-language-local-name="asturisk" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Geoxronoloji_c%C9%99dv%C9%99l" title="Geoxronoloji cədvəl – aserbajdsjansk" lang="az" hreflang="az" data-title="Geoxronoloji cədvəl" data-language-autonym="Azərbaycanca" data-language-local-name="aserbajdsjansk" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AD%E0%A7%82%E0%A6%A4%E0%A6%BE%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A7%8D%E0%A6%AC%E0%A6%BF%E0%A6%95_%E0%A6%B8%E0%A6%AE%E0%A6%AF%E0%A6%BC" title="ভূতাত্ত্বিক সময় – bengali" lang="bn" hreflang="bn" data-title="ভূতাত্ত্বিক সময়" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/T%C4%93-chit_s%C3%AE-kan-chhioh" title="Tē-chit sî-kan-chhioh – minnan" lang="nan" hreflang="nan" data-title="Tē-chit sî-kan-chhioh" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-map-bms mw-list-item"><a href="https://map-bms.wikipedia.org/wiki/Kurun_Wektu_Geologis" title="Kurun Wektu Geologis – banyumasan" lang="jv-x-bms" hreflang="jv-x-bms" data-title="Kurun Wektu Geologis" data-language-autonym="Basa Banyumasan" data-language-local-name="banyumasan" class="interlanguage-link-target"><span>Basa Banyumasan</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D1%85%D1%80%D0%BE%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D0%BA_%D1%88%D0%BA%D0%B0%D0%BB%D0%B0" title="Геохронологик шкала – basjkirsk" lang="ba" hreflang="ba" data-title="Геохронологик шкала" data-language-autonym="Башҡортса" data-language-local-name="basjkirsk" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%93%D0%B5%D0%B0%D1%85%D1%80%D0%B0%D0%BD%D0%B0%D0%BB%D0%B0%D0%B3%D1%96%D1%87%D0%BD%D0%B0%D1%8F_%D1%88%D0%BA%D0%B0%D0%BB%D0%B0" title="Геахраналагічная шкала – belarusisk" lang="be" hreflang="be" data-title="Геахраналагічная шкала" data-language-autonym="Беларуская" data-language-local-name="belarusisk" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AD%E0%A5%82%E0%A4%AC%E0%A4%BF%E0%A4%9C%E0%A5%8D%E0%A4%9E%E0%A4%BE%E0%A4%A8%E0%A5%80_%E0%A4%B8%E0%A4%AE%E0%A4%AF_%E0%A4%AA%E0%A5%88%E0%A4%AE%E0%A4%BE%E0%A4%A8%E0%A4%BE" title="भूबिज्ञानी समय पैमाना – bihari" lang="bh" hreflang="bh" data-title="भूबिज्ञानी समय पैमाना" data-language-autonym="भोजपुरी" data-language-local-name="bihari" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D1%85%D1%80%D0%BE%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%BD%D0%B0_%D1%81%D0%BA%D0%B0%D0%BB%D0%B0" title="Геохронологична скала – bulgarsk" lang="bg" hreflang="bg" data-title="Геохронологична скала" data-language-autonym="Български" data-language-local-name="bulgarsk" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Geolo%C5%A1ka_vremenska_skala" title="Geološka vremenska skala – bosnisk" lang="bs" hreflang="bs" data-title="Geološka vremenska skala" data-language-autonym="Bosanski" data-language-local-name="bosnisk" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Skeul_amzervezhio%C3%B9_douarouriezhel" title="Skeul amzervezhioù douarouriezhel – bretonsk" lang="br" hreflang="br" data-title="Skeul amzervezhioù douarouriezhel" data-language-autonym="Brezhoneg" data-language-local-name="bretonsk" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Taula_dels_temps_geol%C3%B2gics" title="Taula dels temps geològics – katalansk" lang="ca" hreflang="ca" data-title="Taula dels temps geològics" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Geologick%C3%BD_%C4%8Das" title="Geologický čas – tsjekkisk" lang="cs" hreflang="cs" data-title="Geologický čas" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de badge-Q17437798 badge-goodarticle mw-list-item" title="betre artikkel"><a href="https://de.wikipedia.org/wiki/Geologische_Zeitskala" title="Geologische Zeitskala – tysk" lang="de" hreflang="de" data-title="Geologische Zeitskala" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Geokronoloogiline_skaala" title="Geokronoloogiline skaala – estisk" lang="et" hreflang="et" data-title="Geokronoloogiline skaala" data-language-autonym="Eesti" data-language-local-name="estisk" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%93%CE%B5%CF%89%CE%BB%CE%BF%CE%B3%CE%B9%CE%BA%CF%8C%CF%82_%CF%87%CF%81%CF%8C%CE%BD%CE%BF%CF%82" title="Γεωλογικός χρόνος – gresk" lang="el" hreflang="el" data-title="Γεωλογικός χρόνος" data-language-autonym="Ελληνικά" data-language-local-name="gresk" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Geologic_time_scale" title="Geologic time scale – engelsk" lang="en" hreflang="en" data-title="Geologic time scale" data-language-autonym="English" data-language-local-name="engelsk" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Escala_temporal_geol%C3%B3gica" title="Escala temporal geológica – spansk" lang="es" hreflang="es" data-title="Escala temporal geológica" data-language-autonym="Español" data-language-local-name="spansk" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo badge-Q17437796 badge-featuredarticle mw-list-item" title="god artikkel"><a href="https://eo.wikipedia.org/wiki/Geologia_temposkalo" title="Geologia temposkalo – esperanto" lang="eo" hreflang="eo" data-title="Geologia temposkalo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Eskala_kronoestratigrafiko" title="Eskala kronoestratigrafiko – baskisk" lang="eu" hreflang="eu" data-title="Eskala kronoestratigrafiko" data-language-autonym="Euskara" data-language-local-name="baskisk" 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/%D9%85%D9%82%DB%8C%D8%A7%D8%B3_%D8%B2%D9%85%D8%A7%D9%86%DB%8C_%D8%B2%D9%85%DB%8C%D9%86%E2%80%8C%D8%B4%D9%86%D8%A7%D8%B3%DB%8C" title="مقیاس زمانی زمین‌شناسی – persisk" lang="fa" hreflang="fa" data-title="مقیاس زمانی زمین‌شناسی" data-language-autonym="فارسی" data-language-local-name="persisk" 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/%C3%89chelle_des_temps_g%C3%A9ologiques" title="Échelle des temps géologiques – fransk" lang="fr" hreflang="fr" data-title="Échelle des temps géologiques" data-language-autonym="Français" data-language-local-name="fransk" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Amsc%C3%A1la_geola%C3%ADoch" title="Amscála geolaíoch – irsk" lang="ga" hreflang="ga" data-title="Amscála geolaíoch" data-language-autonym="Gaeilge" data-language-local-name="irsk" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Tempo_xeol%C3%B3xico" title="Tempo xeolóxico – galisisk" lang="gl" hreflang="gl" data-title="Tempo xeolóxico" data-language-autonym="Galego" data-language-local-name="galisisk" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A7%80%EC%A7%88_%EC%8B%9C%EB%8C%80" title="지질 시대 – koreansk" lang="ko" hreflang="ko" data-title="지질 시대" data-language-autonym="한국어" data-language-local-name="koreansk" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/Tarihin_ilimin_%C6%99asa_da_duwatsu" title="Tarihin ilimin ƙasa da duwatsu – hausa" lang="ha" hreflang="ha" data-title="Tarihin ilimin ƙasa da duwatsu" data-language-autonym="Hausa" data-language-local-name="hausa" class="interlanguage-link-target"><span>Hausa</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AD%E0%A5%82%E0%A4%B5%E0%A5%88%E0%A4%9C%E0%A5%8D%E0%A4%9E%E0%A4%BE%E0%A4%A8%E0%A4%BF%E0%A4%95_%E0%A4%B8%E0%A4%AE%E0%A4%AF-%E0%A4%AE%E0%A4%BE%E0%A4%A8" title="भूवैज्ञानिक समय-मान – hindi" lang="hi" hreflang="hi" data-title="भूवैज्ञानिक समय-मान" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Geolo%C5%A1ko_razdoblje" title="Geološko razdoblje – kroatisk" lang="hr" hreflang="hr" data-title="Geološko razdoblje" data-language-autonym="Hrvatski" data-language-local-name="kroatisk" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Skala_waktu_geologi" title="Skala waktu geologi – indonesisk" lang="id" hreflang="id" data-title="Skala waktu geologi" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Scala_del_tempore_geologic" title="Scala del tempore geologic – interlingua" lang="ia" hreflang="ia" data-title="Scala del tempore geologic" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Jar%C3%B0s%C3%B6gut%C3%ADmatal" title="Jarðsögutímatal – islandsk" lang="is" hreflang="is" data-title="Jarðsögutímatal" data-language-autonym="Íslenska" data-language-local-name="islandsk" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Scala_dei_tempi_geologici" title="Scala dei tempi geologici – italiensk" lang="it" hreflang="it" data-title="Scala dei tempi geologici" data-language-autonym="Italiano" data-language-local-name="italiensk" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9C%D7%95%D7%97_%D7%94%D7%96%D7%9E%D7%A0%D7%99%D7%9D_%D7%94%D7%92%D7%90%D7%95%D7%9C%D7%95%D7%92%D7%99" title="לוח הזמנים הגאולוגי – hebraisk" lang="he" hreflang="he" data-title="לוח הזמנים הגאולוגי" data-language-autonym="עברית" data-language-local-name="hebraisk" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AD%E0%B3%82%E0%B2%B0%E0%B2%9A%E0%B2%A8%E0%B2%B6%E0%B2%BE%E0%B2%B8%E0%B3%8D%E0%B2%A4%E0%B3%8D%E0%B2%B0%E0%B2%A6_%E0%B2%AF%E0%B3%81%E0%B2%97%E0%B2%97%E0%B2%B3%E0%B3%81" title="ಭೂರಚನಶಾಸ್ತ್ರದ ಯುಗಗಳು – kannada" lang="kn" hreflang="kn" data-title="ಭೂರಚನಶಾಸ್ತ್ರದ ಯುಗಗಳು" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%92%E1%83%94%E1%83%9D%E1%83%A5%E1%83%A0%E1%83%9D%E1%83%9C%E1%83%9D%E1%83%9A%E1%83%9D%E1%83%92%E1%83%98%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%A1%E1%83%99%E1%83%90%E1%83%9A%E1%83%90" title="გეოქრონოლოგიური სკალა – georgisk" lang="ka" hreflang="ka" data-title="გეოქრონოლოგიური სკალა" data-language-autonym="ქართული" data-language-local-name="georgisk" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D1%85%D1%80%D0%BE%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F_%D1%88%D3%99%D0%BA%D1%96%D0%BB%D1%96" title="Геохронология шәкілі – kasakhisk" lang="kk" hreflang="kk" data-title="Геохронология шәкілі" data-language-autonym="Қазақша" data-language-local-name="kasakhisk" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/An_Goloven_Dhororiethel" title="An Goloven Dhororiethel – kornisk" lang="kw" hreflang="kw" data-title="An Goloven Dhororiethel" data-language-autonym="Kernowek" data-language-local-name="kornisk" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Ech%C3%A8l_tan_jeyolojik" title="Echèl tan jeyolojik – haitisk" lang="ht" hreflang="ht" data-title="Echèl tan jeyolojik" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitisk" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-ltg mw-list-item"><a href="https://ltg.wikipedia.org/wiki/Geologiskuo_laika_skala" title="Geologiskuo laika skala – latgallisk" lang="ltg" hreflang="ltg" data-title="Geologiskuo laika skala" data-language-autonym="Latgaļu" data-language-local-name="latgallisk" class="interlanguage-link-target"><span>Latgaļu</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Aevum_geologicum" title="Aevum geologicum – latin" lang="la" hreflang="la" data-title="Aevum geologicum" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/%C4%A2eolo%C4%A3isk%C4%81_laika_skala" title="Ģeoloģiskā laika skala – latvisk" lang="lv" hreflang="lv" data-title="Ģeoloģiskā laika skala" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Geologesch_Z%C3%A4itskala" title="Geologesch Zäitskala – luxemburgsk" lang="lb" hreflang="lb" data-title="Geologesch Zäitskala" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgsk" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Geologin%C4%97_laiko_skal%C4%97" title="Geologinė laiko skalė – litauisk" lang="lt" hreflang="lt" data-title="Geologinė laiko skalė" data-language-autonym="Lietuvių" data-language-local-name="litauisk" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Scala_de_edas_jeolojial" title="Scala de edas jeolojial – lingua franca nova" lang="lfn" hreflang="lfn" data-title="Scala de edas jeolojial" data-language-autonym="Lingua Franca Nova" data-language-local-name="lingua franca nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/F%C3%B6ldt%C3%B6rt%C3%A9neti_id%C5%91sk%C3%A1la" title="Földtörténeti időskála – ungarsk" lang="hu" hreflang="hu" data-title="Földtörténeti időskála" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BB%D0%BE%D1%88%D0%BA%D0%B0_%D1%81%D0%BA%D0%B0%D0%BB%D0%B0" title="Геолошка скала – makedonsk" lang="mk" hreflang="mk" data-title="Геолошка скала" data-language-autonym="Македонски" data-language-local-name="makedonsk" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Maridrefin%27ny_fotoana_ara-je%C3%B4l%C3%B4jika" title="Maridrefin'ny fotoana ara-jeôlôjika – madagassisk" lang="mg" hreflang="mg" data-title="Maridrefin'ny fotoana ara-jeôlôjika" data-language-autonym="Malagasy" data-language-local-name="madagassisk" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Skala_masa_geologi" title="Skala masa geologi – malayisk" lang="ms" hreflang="ms" data-title="Skala masa geologi" data-language-autonym="Bahasa Melayu" data-language-local-name="malayisk" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D0%B9%D0%BD_%D1%86%D0%B0%D0%B3_%D1%82%D0%BE%D0%BE%D0%BB%D0%BE%D0%BB" title="Геологийн цаг тоолол – mongolsk" lang="mn" hreflang="mn" data-title="Геологийн цаг тоолол" data-language-autonym="Монгол" data-language-local-name="mongolsk" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%98%E1%80%B0%E1%80%99%E1%80%AD%E1%80%97%E1%80%B1%E1%80%92%E1%80%86%E1%80%AD%E1%80%AF%E1%80%84%E1%80%BA%E1%80%9B%E1%80%AC_%E1%80%A1%E1%80%81%E1%80%BB%E1%80%AD%E1%80%94%E1%80%BA%E1%80%80%E1%80%AC%E1%80%9C" title="ဘူမိဗေဒဆိုင်ရာ အချိန်ကာလ – burmesisk" lang="my" hreflang="my" data-title="ဘူမိဗေဒဆိုင်ရာ အချိန်ကာလ" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesisk" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Geologische_tijdschaal" title="Geologische tijdschaal – nederlandsk" lang="nl" hreflang="nl" data-title="Geologische tijdschaal" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" 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/%E5%9C%B0%E8%B3%AA%E6%99%82%E4%BB%A3" title="地質時代 – japansk" lang="ja" hreflang="ja" data-title="地質時代" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Eerdtidj%C3%A4%C3%A4ler" title="Eerdtidjääler – nordfrisisk" lang="frr" hreflang="frr" data-title="Eerdtidjääler" data-language-autonym="Nordfriisk" data-language-local-name="nordfrisisk" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-nrm mw-list-item"><a href="https://nrm.wikipedia.org/wiki/%C3%89quielle_des_temps_giologiques" title="Équielle des temps giologiques – Norman" lang="nrf" hreflang="nrf" data-title="Équielle des temps giologiques" data-language-autonym="Nouormand" data-language-local-name="Norman" class="interlanguage-link-target"><span>Nouormand</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Escala_dels_tempses_geologics" title="Escala dels tempses geologics – oksitansk" lang="oc" hreflang="oc" data-title="Escala dels tempses geologics" data-language-autonym="Occitan" data-language-local-name="oksitansk" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Geoxronologik_shkala" title="Geoxronologik shkala – usbekisk" lang="uz" hreflang="uz" data-title="Geoxronologik shkala" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbekisk" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%AF_%DA%81%D9%85%DA%A9%E2%80%8C%D9%BE%D9%88%D9%87%D9%86%DB%90_%D8%B2%D9%85%D8%A7%D9%86%D9%8A_%D9%85%D9%82%DB%8C%D8%A7%D8%B3" title="د ځمک‌پوهنې زماني مقیاس – pashto" lang="ps" hreflang="ps" data-title="د ځمک‌پوهنې زماني مقیاس" data-language-autonym="پښتو" data-language-local-name="pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Tabela_stratygraficzna" title="Tabela stratygraficzna – polsk" lang="pl" hreflang="pl" data-title="Tabela stratygraficzna" data-language-autonym="Polski" data-language-local-name="polsk" 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/Escala_de_tempo_geol%C3%B3gico" title="Escala de tempo geológico – portugisisk" lang="pt" hreflang="pt" data-title="Escala de tempo geológico" data-language-autonym="Português" data-language-local-name="portugisisk" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Scara_timpului_geologic" title="Scara timpului geologic – rumensk" lang="ro" hreflang="ro" data-title="Scara timpului geologic" data-language-autonym="Română" data-language-local-name="rumensk" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D1%85%D1%80%D0%BE%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F_%D1%88%D0%BA%D0%B0%D0%BB%D0%B0" title="Геохронологическая шкала – russisk" lang="ru" hreflang="ru" data-title="Геохронологическая шкала" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D1%85%D1%80%D0%BE%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F" title="Геохронология – sakha" lang="sah" hreflang="sah" data-title="Геохронология" data-language-autonym="Саха тыла" data-language-local-name="sakha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Historia_gjeologjike_e_Tok%C3%ABs" title="Historia gjeologjike e Tokës – albansk" lang="sq" hreflang="sq" data-title="Historia gjeologjike e Tokës" data-language-autonym="Shqip" data-language-local-name="albansk" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Geologic_time_scale" title="Geologic time scale – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="Geologic time scale" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Chronostratigrafick%C3%A1_tabu%C4%BEka" title="Chronostratigrafická tabuľka – slovakisk" lang="sk" hreflang="sk" data-title="Chronostratigrafická tabuľka" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Geolo%C5%A1ka_%C4%8Dasovna_lestvica" title="Geološka časovna lestvica – slovensk" lang="sl" hreflang="sl" data-title="Geološka časovna lestvica" data-language-autonym="Slovenščina" data-language-local-name="slovensk" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BB%D0%BE%D1%88%D0%BA%D0%B0_%D0%B4%D0%BE%D0%B1%D0%B0" title="Геолошка доба – serbisk" lang="sr" hreflang="sr" data-title="Геолошка доба" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Geolo%C5%A1ka_kronologija" title="Geološka kronologija – serbokroatisk" lang="sh" hreflang="sh" data-title="Geološka kronologija" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatisk" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Skala_waktu_g%C3%A9ologis" title="Skala waktu géologis – sundanesisk" lang="su" hreflang="su" data-title="Skala waktu géologis" data-language-autonym="Sunda" data-language-local-name="sundanesisk" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Geologinen_ajanlasku" title="Geologinen ajanlasku – finsk" lang="fi" hreflang="fi" data-title="Geologinen ajanlasku" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Eskala_ng_panahong_heolohiko" title="Eskala ng panahong heolohiko – tagalog" lang="tl" hreflang="tl" data-title="Eskala ng panahong heolohiko" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AD%E0%B1%82%E0%B0%B5%E0%B1%88%E0%B0%9C%E0%B1%8D%E0%B0%9E%E0%B0%BE%E0%B0%A8%E0%B0%BF%E0%B0%95_%E0%B0%95%E0%B0%BE%E0%B0%B2_%E0%B0%B0%E0%B1%87%E0%B0%96" title="భూవైజ్ఞానిక కాల రేఖ – telugu" lang="te" hreflang="te" data-title="భూవైజ్ఞానిక కాల రేఖ" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%98%E0%B8%A3%E0%B8%93%E0%B8%B5%E0%B8%81%E0%B8%B2%E0%B8%A5" title="ธรณีกาล – thai" lang="th" hreflang="th" data-title="ธรณีกาล" data-language-autonym="ไทย" data-language-local-name="thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Jeolojik_zaman_cetveli" title="Jeolojik zaman cetveli – tyrkisk" lang="tr" hreflang="tr" data-title="Jeolojik zaman cetveli" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D1%85%D1%80%D0%BE%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D1%96%D1%87%D0%BD%D0%B0_%D1%88%D0%BA%D0%B0%D0%BB%D0%B0" title="Геохронологічна шкала – ukrainsk" lang="uk" hreflang="uk" data-title="Геохронологічна шкала" data-language-autonym="Українська" data-language-local-name="ukrainsk" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A7%D8%B1%D8%B6%DB%8C%D8%A7%D8%AA%DB%8C_%D9%BE%DB%8C%D9%85%D8%A7%D9%86%DB%81_%D9%88%D9%82%D8%AA" title="ارضیاتی پیمانہ وقت – urdu" lang="ur" hreflang="ur" data-title="ارضیاتی پیمانہ وقت" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Era_xio%C5%82%C3%B2xega" title="Era xiołòxega – venetiansk" lang="vec" hreflang="vec" data-title="Era xiołòxega" data-language-autonym="Vèneto" data-language-local-name="venetiansk" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ni%C3%AAn_%C4%91%E1%BA%A1i_%C4%91%E1%BB%8Ba_ch%E1%BA%A5t" title="Niên đại địa chất – vietnamesisk" lang="vi" hreflang="vi" data-title="Niên đại địa chất" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesisk" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Trev%C3%A9ns_djeyolodjikes" title="Trevéns djeyolodjikes – vallonsk" lang="wa" hreflang="wa" data-title="Trevéns djeyolodjikes" data-language-autonym="Walon" data-language-local-name="vallonsk" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E5%9C%B0%E8%B3%AA%E6%99%82%E6%A8%99" title="地質時標 – klassisk kinesisk" lang="lzh" hreflang="lzh" data-title="地質時標" data-language-autonym="文言" data-language-local-name="klassisk kinesisk" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Geologische_tydschoale" title="Geologische tydschoale – vestflamsk" lang="vls" hreflang="vls" data-title="Geologische tydschoale" data-language-autonym="West-Vlams" data-language-local-name="vestflamsk" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Iskala_nga_panahon_heyolohiko" title="Iskala nga panahon heyolohiko – waray" lang="war" hreflang="war" data-title="Iskala nga panahon heyolohiko" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%9C%B0%E8%B4%A8%E5%B9%B4%E4%BB%A3" title="地质年代 – wu" lang="wuu" hreflang="wuu" data-title="地质年代" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%9C%B0%E8%B3%AA%E6%99%82%E4%BB%A3" title="地質時代 – kantonesisk" lang="yue" hreflang="yue" data-title="地質時代" data-language-autonym="粵語" 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</div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Sideverktøy"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Utsjånad"> <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">Utsjånad</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">gøym</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">Frå Wikipedia – det frie oppslagsverket</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Omdirigert frå <a href="/w/index.php?title=Geologisk_%C3%A6ra&redirect=no" class="mw-redirect" title="Geologisk æra">Geologisk æra</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nn" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Geological_time_spiral.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Geological_time_spiral.png/220px-Geological_time_spiral.png" decoding="async" width="220" height="195" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Geological_time_spiral.png/330px-Geological_time_spiral.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/Geological_time_spiral.png/440px-Geological_time_spiral.png 2x" data-file-width="2424" data-file-height="2145" /></a><figcaption>Skjema for geologisk tidsskala.</figcaption></figure> <p><b>Geologisk tidsskala</b> er eit <a href="/wiki/Kronologi" title="Kronologi">kronologisk</a> <a href="/wiki/System" title="System">skjema</a> (eller idealisert modell) nytta innan <a href="/wiki/Stratigrafi" title="Stratigrafi">stratigrafi</a> for dele inn tidsperiodar basert på forskjellige hendingar som har skjedd opp gjennom <a href="/w/index.php?title=Historia_til_jorda&action=edit&redlink=1" class="new" title="Historia til jorda (sida finst ikkje)">historia til jorda</a>. Tidskalaen og namna er lagt fram av <a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">International Commission on Stratigraphy</a> og tabellen under nyttar standard fargekordar frå <a href="/wiki/United_States_Geological_Survey" title="United States Geological Survey">United States Geological Survey</a>. </p><p>Ved hjelp av <a href="/wiki/Radiometrisk_datering" title="Radiometrisk datering">radiometrisk datering</a> har ein funne ut at jorda er 4,54 ± 0,05 milliardar år gamal (i området 4,49-4,59 milliardar år)<sup id="cite_ref-USGS1997_1-0" class="reference"><a href="#cite_note-USGS1997-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-titan_2-0" class="reference"><a href="#cite_note-titan-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Den geologiske tidsskalaen til jorda har vorte delt inn med forskjellige einingar og etter hendingar som fann stad i kvar periode. Starten og slutten på ein periode er vanlegvis avgrensa til store <a href="/wiki/Geologi" title="Geologi">geologiske</a> eller <a href="/wiki/Paleontologi" title="Paleontologi">paleontologiske</a> hendingar, som <a href="/wiki/Masseutrydding" title="Masseutrydding">masseutryddingar</a>. Grensa mellom <a href="/wiki/Krittida" title="Krittida">krittida</a> og <a href="/wiki/Paleogen" title="Paleogen">paleogen</a> er sett til ei slik <a href="/wiki/Kritt-terti%C3%A6r-utryddinga" class="mw-redirect" title="Kritt-tertiær-utryddinga">utryddingshending</a> der <a href="/wiki/Dinosaur" class="mw-redirect" title="Dinosaur">dinosaurane</a> og mange sjødyr døydde ut. Eldre periodar før ein har pålitelege <a href="/wiki/Fossil" title="Fossil">fossilfunn</a> er definert ved absolutt alder. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Geografisk_tidslinjer">Geografisk tidslinjer</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geologisk_tidsskala&veaction=edit&section=1" title="Endre bolk: Geografisk tidslinjer" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geologisk_tidsskala&action=edit&section=1" title="Rediger kildekoden til seksjonen Geografisk tidslinjer"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Den andre og tredje tidslinja er undergrupper av av den føregåande tidslinja som indikert med stjerne. </p> <div class="timeline-wrapper"><map name="timeline_8bbk2ttp54kedd1fgx9kjdbwmp5u9s6"> <p>                 <area shape="rect" href="/wiki/Ediacara" coords="666,82,713,99" title="Ediacara" alt="Ediacara" />        <area shape="rect" href="/wiki/Paleoproterozoikum" coords="391,56,527,76" title="Paleoproterozoikum" alt="Paleoproterozoikum" /><area shape="rect" href="/wiki/Mesoproterozoikum" coords="512,56,642,76" title="Mesoproterozoikum" alt="Mesoproterozoikum" />        </p> <area shape="rect" href="/wiki/Hadeikum" coords="82,32,163,53" title="Hadeikum" alt="Hadeikum" /><area shape="rect" href="/wiki/Arkeikum" coords="245,32,326,53" title="Arkeikum" alt="Arkeikum" /><area shape="rect" href="/wiki/Proterozoikum" coords="488,32,596,53" title="Proterozoikum" alt="Proterozoikum" /><area shape="rect" href="/wiki/Fanerozoikum" coords="688,32,791,53" title="Fanerozoikum" alt="Fanerozoikum" /><area shape="rect" href="/wiki/Prekambrium" coords="331,9,428,30" title="Prekambrium" alt="Prekambrium" /></map><img usemap="#timeline_8bbk2ttp54kedd1fgx9kjdbwmp5u9s6" src="//upload.wikimedia.org/wikipedia/nn/timeline/8bbk2ttp54kedd1fgx9kjdbwmp5u9s6.png" /></div> <div class="timeline-wrapper"><map name="timeline_bpzpfn2ja6m0dn6yrroemn4ay2i5br7"><area shape="rect" href="/wiki/Kambrium" coords="57,59,138,80" title="Kambrium" alt="Kambrium" /><area shape="rect" href="/wiki/Ordovicium" coords="117,59,209,80" title="Ordovicium" alt="Ordovicium" /> <p> <area shape="rect" href="/wiki/Devontida" coords="235,59,299,80" title="Devontida" alt="Devontida" /><area shape="rect" href="/wiki/Karbontida" coords="310,59,380,80" title="Karbontida" alt="Karbontida" /><area shape="rect" href="/wiki/Permtida" coords="387,59,446,80" title="Permtida" alt="Permtida" /><area shape="rect" href="/wiki/Trias" coords="450,59,514,80" title="Trias" alt="Trias" /><area shape="rect" href="/wiki/Juratida" coords="524,59,582,80" title="Juratida" alt="Juratida" /><area shape="rect" href="/wiki/Krittid" coords="610,59,674,80" title="Krittid" alt="Krittid" />    </p> <area shape="rect" href="/wiki/Paleozoikum" coords="207,34,304,55" title="Paleozoikum" alt="Paleozoikum" /><area shape="rect" href="/wiki/Mesozoikum" coords="526,34,618,55" title="Mesozoikum" alt="Mesozoikum" /><area shape="rect" href="/wiki/Kenozoikum" coords="693,34,784,55" title="Kenozoikum" alt="Kenozoikum" /><area shape="rect" href="/wiki/Fanerozoikum" coords="371,9,473,30" title="Fanerozoikum" alt="Fanerozoikum" /></map><img usemap="#timeline_bpzpfn2ja6m0dn6yrroemn4ay2i5br7" src="//upload.wikimedia.org/wikipedia/nn/timeline/bpzpfn2ja6m0dn6yrroemn4ay2i5br7.png" /></div> <div class="timeline-wrapper"><map name="timeline_9jydiafr2i8nv9111rp00755emkeiks"><area shape="rect" href="/wiki/paleocen" coords="75,59,156,80" title="paleocen" alt="paleocen" /><area shape="rect" href="/wiki/eosen" coords="257,59,321,80" title="eosen" alt="eosen" /><area shape="rect" href="/wiki/oligocen" coords="429,59,509,80" title="oligocen" alt="oligocen" /><area shape="rect" href="/wiki/miocen" coords="591,59,661,80" title="miocen" alt="miocen" /> <p> </p> <area shape="rect" href="/wiki/pleistocen" coords="751,59,792,80" title="pleistocen" alt="pleistocen" /><area shape="rect" href="/wiki/Paleogen" coords="255,34,336,55" title="Paleogen" alt="Paleogen" /><area shape="rect" href="/wiki/Neogen" coords="606,34,676,55" title="Neogen" alt="Neogen" /><area shape="rect" href="/wiki/Kvart%C3%A6rtida" coords="744,34,791,55" title="Kvartærtida" alt="Kvartærtida" /><area shape="rect" href="/wiki/Kenozoikum" coords="376,9,468,30" title="Kenozoikum" alt="Kenozoikum" /></map><img usemap="#timeline_9jydiafr2i8nv9111rp00755emkeiks" src="//upload.wikimedia.org/wikipedia/nn/timeline/9jydiafr2i8nv9111rp00755emkeiks.png" /></div> <center><small>Millionar år</small></center> <p><br /> </p><p><a href="/wiki/Holocen" title="Holocen">Holocen</a>, den siste <a href="/wiki/Epoke" title="Epoke">epoken</a> er for liten til at han synst på denne tidslinja. </p> <div class="mw-heading mw-heading2"><h2 id="Terminologi">Terminologi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geologisk_tidsskala&veaction=edit&section=2" title="Endre bolk: Terminologi" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geologisk_tidsskala&action=edit&section=2" title="Rediger kildekoden til seksjonen Terminologi"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Den største definerte tidseininga er supereon som er inndelt i <a href="/wiki/Eon" title="Eon">eon</a>. Eona er vidare delt inn i æraer, som igjen er delt inn i periodar, epokar og stadia. Samstundes har paleontologar definert eit system baset på endringar i observerte fossilsamlingar. I fleire tilfelle har desse fauniske stadia vorte teke opp i den geologiske terminologien, men generelt er det langt fleire anerkjende fauniske stadia enn definerte geologiske tidseiningar. </p><p>Geologar nyttar ofte uttrykka øvre/sein, nedre/tidleg, og midtre/mellom-delar av periodar og andre einingar, som «øvre jura» og «mellomkambrium». Øvre, midtre og nedre er uttrykk som vert nytta om sjølve bergartane, i «øvre jura-<a href="/wiki/Sandstein" title="Sandstein">sandstein</a>», medan sein, midtre og tidleg vert nytta om tid, som i «<a href="/wiki/Avleiring" class="mw-redirect" title="Avleiring">avleiringar</a> frå tidleg jura» eller «fossil frå tidleg jura». Fordi geologiske periodar som skjedde samstundes, men i forskjellige stader i verda ofte ser forskjellig ut og inneheld forskjellige fossil, er det mange døme på at dei same periodane tidlegare fekk forskjellige namn på forskjellige stader. Ei av nøkkeloppgåvene til International Commission on Stratigraphy er å bringe orden i terminologien og definere ein universell terminologi som kan nyttast i heile verda. </p> <div class="mw-heading mw-heading2"><h2 id="Historie">Historie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geologisk_tidsskala&veaction=edit&section=3" title="Endre bolk: Historie" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geologisk_tidsskala&action=edit&section=3" title="Rediger kildekoden til seksjonen Historie"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Earth_Clock_ENG.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Earth_Clock_ENG.svg/220px-Earth_Clock_ENG.svg.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Earth_Clock_ENG.svg/330px-Earth_Clock_ENG.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Earth_Clock_ENG.svg/440px-Earth_Clock_ENG.svg.png 2x" data-file-width="656" data-file-height="656" /></a><figcaption>Jorda si historie på 24 timar</figcaption></figure> <p>Eit av prinsippa for geologiske tidsskalaer var dei forskjellige berglaga som ligg oppå kvarandre. Dette vart først føreslått av den persiske geologen <a href="/wiki/Avicenna" class="mw-redirect" title="Avicenna">Avicenna</a> (Ibn Sina) på 1000-talet. </p><p>Prinsippa for geologiske tidskalaer vart seinare definert av <a href="/w/index.php?title=Nicholas_Steno&action=edit&redlink=1" class="new" title="Nicholas Steno (sida finst ikkje)">Nicholas Steno</a> seint på <a href="/wiki/1600-talet" title="1600-talet">1600-talet</a>. Steno argumenterte for at berglag (eller strata) vert lagt ned i rekkefølge og at kvart lag representerer ein tidsperiode. Han formulerte òg <a href="/wiki/Superposisjonsprinsippet" title="Superposisjonsprinsippet">superposisjonsprinsippet</a> som seier at eit stratum er truleg eldre enn dei over seg og yngre enn dei under seg. Prinsippet er enkelt, men det er ofte vanskeleg i røynda. Utover 1700-talet oppdaga geologar at berglaga ofte var erodert, forvrengd, skråstilt eller til og med snudd på hovudet. Strata lagt ned på same tidspunkt, men på forskjellige stader kunne sjå heilt forskjellig ut, og berglag på ein viss stad på jorda representerte berre delar av den lange historia til Jorda. </p><p>Det første seriøse forsøket på å formulere ein geologisk tidsskala som kunne nyttast overalt på jorda vart gjort seint på 1700-talet. Den viktigaste av desse tidlege forsøka vart gjort av <a href="/w/index.php?title=Abraham_Werner&action=edit&redlink=1" class="new" title="Abraham Werner (sida finst ikkje)">Abraham Werner</a>, som delte bergartane i jordskorpa inn i fire typar: Primær, sekundær, tertiær og kvartær. Kvar bergart var i følgje teorien danna i ein spesifikk periode i jordhistoria. Ein kunne derfor snakke om ein «tertiær periode» eller «tertiære bergartar». Tertiær (i dag paleocen og pliocen) og kvartær (i dag pleistocen og holocen) var faktisk i bruk til langt ut på 1900-talet. </p><p>Werner og mange på hans tid var tilhengjarar av den såkalla <a href="/w/index.php?title=Neptunist&action=edit&redlink=1" class="new" title="Neptunist (sida finst ikkje)">neptunistteorien</a> som gjekk ut på alt grunnfjell oppstod ved ein enorm enkeltståande flaum. Med <a href="/wiki/James_Hutton" title="James Hutton">James Hutton</a> og verket <i>Theory of the Earth; or, an Investigation of the Laws Observable in the Composition, Dissolution, and Restoration of Land Upon the Globe</i> føre <a href="/w/index.php?title=Royal_Society_of_Edinburgh&action=edit&redlink=1" class="new" title="Royal Society of Edinburgh (sida finst ikkje)">Royal Society of Edinburgh</a> i mars og april 1785 vart Hutton grunnleggaren av moderne geologi.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Hutton føreslo at det indre av jorda var varm, og at det var denne varmen som dreiv danninga av nytt grunnfjell. Han meinte at land vart erodert av luft og vatn og avleiringar la seg som lag på havbotn og at varmen så etter kvart gjorde sedimenta til stein og heva det til nytt land. Denne teorien vart kalla «plutonist», i motsetnad til den flaumorienterte teorien. </p><p><a href="/w/index.php?title=Geologen_William_Smith&action=edit&redlink=1" class="new" title="Geologen William Smith (sida finst ikkje)">William Smith</a>, <a href="/w/index.php?title=Georges_Cuvier&action=edit&redlink=1" class="new" title="Georges Cuvier (sida finst ikkje)">Georges Cuvier</a>, <a href="/w/index.php?title=Jean_Baptiste_Julien_d%27Omalius_d%27Halloy&action=edit&redlink=1" class="new" title="Jean Baptiste Julien d'Omalius d'Halloy (sida finst ikkje)">Jean d'Omalius d'Halloy</a> og <a href="/w/index.php?title=Alexandre_Brogniart&action=edit&redlink=1" class="new" title="Alexandre Brogniart (sida finst ikkje)">Alexandre Brogniart</a> starta å identifisere strata etter fossila dei inneheldt tidleg på 1800-talet, og dette gjorde at geologar kunne dele historia til jorda inn meir nøyaktig. Det gjorde òg at dei kunne samanlikne berglag på tvers av landegrenser (eller til og med kontinent). Om to lag inneheldt dei same fossila var sjanse stor for at dei var lagt ned samstundes. Detaljerte studiar mellom 1820 og 1850 av strata og fossil i Europa førte til definisjonar av geologiske periodar som framleis er i bruk i dag. </p><p>Denne prosessen var dominert av <a href="/wiki/Storbritannia" title="Storbritannia">britiske</a> geologar og namna i perioden reflekterer dette. Kambrium (det romerske namnet på <a href="/wiki/Wales" title="Wales">Wales</a>), ordovicium og silur er kalla opp etter walisiske folk fordi periodane vart definert av stratigrafiske lag i Wales.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Devontida vart namngjeve etter grevskapet <a href="/wiki/Devon" title="Devon">Devon</a> i <a href="/wiki/England" title="England">England</a>. Permtida er kalla opp etter byen <a href="/wiki/Perm" title="Perm">Perm</a> i Russland fordi den skotske geologen <a href="/wiki/Roderick_Murchison" title="Roderick Murchison">Roderick Murchison</a> var i området og definerte perioden. </p><p>Andre periodar igjen vart definert av geologar frå andre land. Trias vart til dømes namngjeve i 1834 av den tyske geologen <a href="/w/index.php?title=Friedrich_Von_Alberti&action=edit&redlink=1" class="new" title="Friedrich Von Alberti (sida finst ikkje)">Friedrich Von Alberti</a>. Jura vart namngjeve av den franske geologen <a href="/w/index.php?title=Alexandre_Brogniart&action=edit&redlink=1" class="new" title="Alexandre Brogniart (sida finst ikkje)">Alexandre Brogniart</a> etter <a href="/wiki/Jurafjella" title="Jurafjella">Jurafjella</a>. </p><p>Britiske geologar grupperte òg periodane inn i æraer og epokar. </p><p>I 1977 starta <i>Global Commission on Stratigraphy</i> (i dag <a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">International Commission on Stratigraphy</a>) med arbeidet om å definere dei geologiske periodane globalt. </p> <div class="mw-heading mw-heading2"><h2 id="Tabell">Tabell</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geologisk_tidsskala&veaction=edit&section=4" title="Endre bolk: Tabell" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geologisk_tidsskala&action=edit&section=4" title="Rediger kildekoden til seksjonen Tabell"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Tabellen under viser dei store hendingane og periodane som utgjer den geologiske tidsskalaen. Høgda på kvar søyle samsvarar ikkje med tida kvar periode varte. </p> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r3515230">.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:" · 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.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><div role="navigation" class="navbox" aria-labelledby="Geologisk_tidsskala" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div class="plainlinks hlist navbar mini"><ul><li class="nv-vis"><a href="/wiki/Mal:Geologisk_tidsskala" title="Mal:Geologisk tidsskala"><abbr title="Vis denne malen">v</abbr></a></li><li class="nv-diskuter"><a href="/w/index.php?title=Maldiskusjon:Geologisk_tidsskala&action=edit&redlink=1" class="new" title="Maldiskusjon:Geologisk tidsskala (sida finst ikkje)"><abbr title="Diskuter denne malen">d</abbr></a></li><li class="nv-endre"><a class="external text" href="https://nn.wikipedia.org/w/index.php?title=Mal:Geologisk_tidsskala&action=edit"><abbr title="Endre denne malen">e</abbr></a></li></ul></div><div id="Geologisk_tidsskala" style="font-size:114%;margin:0 4em"><a class="mw-selflink selflink">Geologisk tidsskala</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <table class="wikitable" style="clear:both;margin:0; font-size:95%"> <tbody><tr> <th>Supereon </th> <th><a href="/wiki/Eon" title="Eon">Eon</a> </th> <th><a href="/wiki/Geologisk_%C3%A6ra" class="mw-redirect" title="Geologisk æra">Æra</a> </th> <th><a href="/wiki/Geologisk_periode" class="mw-redirect" title="Geologisk periode">Periode</a><sup id="cite_ref-faunal-stages_5-0" class="reference"><a href="#cite_note-faunal-stages-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </th> <th>Serie / <a href="/wiki/Geologisk_epoke" title="Geologisk epoke">Epoke</a> </th> <th><a href="/w/index.php?title=Faunisk_stadium&action=edit&redlink=1" class="new" title="Faunisk stadium (sida finst ikkje)">Faunisk stadium</a><sup id="cite_ref-uncertain-dates_6-0" class="reference"><a href="#cite_note-uncertain-dates-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> / <a href="/wiki/Geologisk_alder" title="Geologisk alder">Geologisk alder</a> / <a href="/w/index.php?title=Stadium_i_geologi&action=edit&redlink=1" class="new" title="Stadium i geologi (sida finst ikkje)">Stadium</a> </th> <th>Store hendingar </th> <th>Start, millionar år sidan<sup id="cite_ref-uncertain-dates_6-1" class="reference"><a href="#cite_note-uncertain-dates-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <td rowspan="93"> </td> <td rowspan="93" style="color:black; background:#b3e2d1"><a href="/wiki/Fanerozoikum" title="Fanerozoikum">Fanerozoikum</a> </td> <td rowspan="22" style="color:black; background:#ffff00"><a href="/wiki/Kenozoikum" title="Kenozoikum">Kenozoikum</a><sup id="cite_ref-cenozoic-division_7-0" class="reference"><a href="#cite_note-cenozoic-division-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </td> <td rowspan="13" style="color:black; background:#fdcc8a"><a href="/wiki/Neogen" title="Neogen">Neogen</a><sup id="cite_ref-cenozoic-division_7-1" class="reference"><a href="#cite_note-cenozoic-division-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </td> <td style="color:black; background:#ffffb3"><a href="/wiki/Holocen" title="Holocen">Holocen</a> </td> <td style="color:black; background:#ffffb3"><a href="/wiki/Kvart%C3%A6r" title="Kvartær">Kvartær</a> </td> <td><a href="/wiki/Den_siste_istida" title="Den siste istida">Den siste istida</a> endar og mennesket sine <a href="/wiki/Sivilisasjon" title="Sivilisasjon">sivilisasjonar</a> oppstår. Istida endar og den noverande mellomistida startar. Kuldebølgjene i <a href="/wiki/Yngre_dryas" title="Yngre dryas">yngre dryas</a> oppstår, <a href="/wiki/Sahara" title="Sahara">Sahara</a> oppstår frå <a href="/wiki/Savanne" title="Savanne">savannene</a> og <a href="/wiki/Jordbruk" title="Jordbruk">jordbruk</a> tar til, slik at menneske kan bygge byar. <a href="/wiki/Steinalderen" title="Steinalderen">Steinalderen</a> startar rundt 10 000 f.Kr. og går over i <a href="/wiki/Koparalderen" class="mw-redirect" title="Koparalderen">koparalderen</a> (3500 f.Kr) og <a href="/wiki/Bronsealderen" title="Bronsealderen">bronsealderen</a> (2500 f.Kr). Kulturar held fram å vekse og utvikle seg gjennom <a href="/wiki/Jernalderen" class="mw-redirect" title="Jernalderen">jernalderen</a> (1200 f.Kr.) til <a href="/wiki/Antikken" title="Antikken">antikken</a>. </td> <td style="color:black; background:#ffffb3">0,011430 ± 0,00013<sup id="cite_ref-cenozoic-division_7-2" class="reference"><a href="#cite_note-cenozoic-division-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-holocene_8-0" class="reference"><a href="#cite_note-holocene-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td rowspan="4" style="color:black; background:#ffff62"><a href="/wiki/Pleistocen" title="Pleistocen">Pleistocen</a> </td> <td><a href="/wiki/Sein_pleistocen" title="Sein pleistocen">Sein</a>/<a href="/w/index.php?title=Det_tyrrenske_stadiet&action=edit&redlink=1" class="new" title="Det tyrrenske stadiet (sida finst ikkje)">Det tyrrenske stadiet</a> </td> <td rowspan="4">Mange store <a href="/wiki/Pattedyr" title="Pattedyr">pattedyr</a> oppstår og døyr ut (<a href="/w/index.php?title=Megafaunaen_i_pleistocen&action=edit&redlink=1" class="new" title="Megafaunaen i pleistocen (sida finst ikkje)">megafaunaen i pleistocen</a>). Utviklinga av anatomisk moderne menneske. <a href="/wiki/Den_siste_istida" title="Den siste istida">Den siste istida</a> held fram med <a href="/w/index.php?title=Isbredanning&action=edit&redlink=1" class="new" title="Isbredanning (sida finst ikkje)">isbredanning</a> og <a href="/w/index.php?title=Interstadial&action=edit&redlink=1" class="new" title="Interstadial (sida finst ikkje)">interstadial</a> (og tilsvarande svingingar frå 100 til 300 ppmv <a href="/wiki/Karbondioksid" title="Karbondioksid">karbondioksid</a> i <a href="/wiki/Jordatmosf%C3%A6ren" title="Jordatmosfæren">jordatmosfæren</a>), sterkare <a href="/wiki/Drivhuseffekt" title="Drivhuseffekt">ishuseffekt</a>. Varer om lag 1,6 millionar. <a href="/wiki/Siste_glasiale_maksimum" title="Siste glasiale maksimum">Siste glasiale maksimum</a> (30 000 år sidan), <a href="/wiki/Den_siste_istida" title="Den siste istida">den siste istida</a> (18 000-15 000 år sidan). Dei første <a href="/wiki/Eldre_steinalder" title="Eldre steinalder">steinalderkulturane</a>. Supervulkanen <a href="/w/index.php?title=Toba&action=edit&redlink=1" class="new" title="Toba (sida finst ikkje)">Toba</a> har utbrot for 75 000 år sidan og skapar ein <a href="/wiki/Vulkanvinter" title="Vulkanvinter">vulkanvinter</a> og fører kanskje nesten til at <a href="/w/index.php?title=Tobakatastrofeteorien&action=edit&redlink=1" class="new" title="Tobakatastrofeteorien (sida finst ikkje)">menneske vert utrydda</a>. </td> <td style="color:black; background:#ffff62">0,126 ± 0.,05<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Mellompleistocen" title="Mellompleistocen">Mellom</a> </td> <td style="color:black; background:#ffff62">0,500? </td></tr> <tr> <td><a href="/wiki/Tidleg_pleistocen" title="Tidleg pleistocen">Tidleg</a> </td> <td style="color:black; background:#ffff62">1,806 ± 0,005<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Gelasium" title="Gelasium">Gelasium</a> </td> <td style="color:black; background:#ffff62">2,588 ± 0,005<sup>*</sup> </td></tr> <tr> <td rowspan="2" style="color:black; background:#feebac"><a href="/wiki/Pliocen" title="Pliocen">Pliocen</a> </td> <td rowspan="1"><a href="/wiki/Piacenzium" title="Piacenzium">Piacenzium</a> </td> <td rowspan="2">Intensivering av ishustilhøva og <a href="/wiki/Kvart%C3%A6r" title="Kvartær">kvartæristida</a> (den siste) tek til for rundt 2,58 millionar år sidan med kjølig og tørt <a href="/wiki/Klima" title="Klima">klima</a>. <a href="/w/index.php?title=Australopithecina&action=edit&redlink=1" class="new" title="Australopithecina (sida finst ikkje)">Australopithecina</a> og mange eksisterande pattedyr og nylege blautdyr oppståd. <i><a href="/wiki/Homo_habilis" title="Homo habilis">Homo habilis</a></i> oppstår. </td> <td style="color:black; background:#feebac">3,600 ± 0,005<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Zancleum" title="Zancleum">Zancleum</a> </td> <td style="color:black; background:#feebac">5,332 ± 0,005<sup>*</sup> </td></tr> <tr> <td rowspan="6" style="color:black; background:#ffde00"><a href="/wiki/Miocen" title="Miocen">Miocen</a> </td> <td><a href="/wiki/Messinium" title="Messinium">Messinium</a> </td> <td rowspan="6">Moderat ishusklima med fleire istider. <a href="/wiki/Orogense" class="mw-redirect" title="Orogense">Orogense</a> på <a href="/wiki/Den_nordlege_halvkula" title="Den nordlege halvkula">den nordlege halvkula</a>. Ein kan kjenne igjen moderne pattedyr og fuglar, som <a href="/wiki/Hest" title="Hest">hest</a> og <a href="/wiki/Mastodont" title="Mastodont">mastodontar</a>. <a href="/wiki/Gras" class="mw-redirect" title="Gras">Gras</a> oppstår overalt. Dei første <a href="/wiki/Ape" title="Ape">apene</a> oppstår. <a href="/w/index.php?title=Kaikoura-orogensen&action=edit&redlink=1" class="new" title="Kaikoura-orogensen (sida finst ikkje)">Kaikoura-orogensen</a> dannar <a href="/w/index.php?title=Dei_s%C3%B8rlege_Alpane&action=edit&redlink=1" class="new" title="Dei sørlege Alpane (sida finst ikkje)">Dei sørlege Alpane</a> på <a href="/wiki/New_Zealand" title="New Zealand">New Zealand</a>. Orogensene i <a href="/wiki/Alpane" title="Alpane">Alpane</a> i <a href="/wiki/Europa" title="Europa">Europa</a> sakkar av, men held framleis på i dag. <a href="/w/index.php?title=Den_karpatiske_orogensen&action=edit&redlink=1" class="new" title="Den karpatiske orogensen (sida finst ikkje)">Den karpatiske orogensen</a> dannar <a href="/wiki/Karpatane" title="Karpatane">Karpatane</a> i <a href="/wiki/Sentral-Europa" title="Sentral-Europa">Sentral-</a> og <a href="/wiki/Aust-Europa" title="Aust-Europa">Aust-Europa</a>. <a href="/w/index.php?title=Den_hellenske_orogensen&action=edit&redlink=1" class="new" title="Den hellenske orogensen (sida finst ikkje)">Den hellenske orogensen</a> i <a href="/wiki/Hellas" title="Hellas">Hellas</a> og <a href="/wiki/Egearhavet" title="Egearhavet">Egearhavet</a> sakkar av, men held framleis på i dag. <a href="/w/index.php?title=Samanbrotet_i_mellomiocen&action=edit&redlink=1" class="new" title="Samanbrotet i mellomiocen (sida finst ikkje)">Samanbrotet i mellomiocen</a> der mange dyr døyr ut. Store skogar fører til mindre karbondioksid i atmosfæren og innhaldet går ned frå 650 ppmv til rundt 100 ppmv. </td> <td style="color:black; background:#ffde00">7,246 ± 0,05<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Tortonium" title="Tortonium">Tortonium</a> </td> <td style="color:black; background:#ffde00">11,608 ± 0,05<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Burdigalium" title="Burdigalium">Burdigalium</a> </td> <td style="color:black; background:#ffde00">13,65 ± 0,05<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Serravallium" title="Serravallium">Serravallium</a> </td> <td style="color:black; background:#ffde00">15,97 ± 0,05<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Langhium" title="Langhium">Langhium</a> </td> <td style="color:black; background:#ffde00">20,43 ± 0,05<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Aquitanium" title="Aquitanium">Aquitanium</a> </td> <td style="color:black; background:#ffde00">23,03 ± 0,05<sup>*</sup> </td></tr> <tr> <td rowspan="9" style="color:black; background:#ffb300"><a href="/wiki/Paleogen" title="Paleogen">Paleogen</a><sup id="cite_ref-cenozoic-division_7-3" class="reference"><a href="#cite_note-cenozoic-division-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </td> <td rowspan="2" style="color:black; background:#eac672"><a href="/wiki/Oligocen" title="Oligocen">Oligocen</a> </td> <td><a href="/wiki/Chattium" title="Chattium">Chattium</a> </td> <td rowspan="2">Varmt, men gradvis kjøligare klima som går mot istider. Rask evolusjon og mangfaldig faune, særleg pattedyr. Mange blomar oppstår. </td> <td style="color:black; background:#eac672">28,4 ± 0,1<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Rupelium" title="Rupelium">Rupelium</a> </td> <td style="color:black; background:#eac672">33,9 ± 0,1<sup>*</sup> </td></tr> <tr> <td rowspan="4" style="color:black; background:#eaad43"><a href="/wiki/Eosen" class="mw-redirect" title="Eosen">Eosen</a> </td> <td><a href="/wiki/Priabonium" title="Priabonium">Priabonium</a> </td> <td rowspan="4">Moderat, gradvis kjøligare klima. No utdøydde pattedyr (som <a href="/w/index.php?title=Creodonta&action=edit&redlink=1" class="new" title="Creodonta (sida finst ikkje)">creodonta</a>, <a href="/w/index.php?title=Condylarth&action=edit&redlink=1" class="new" title="Condylarth (sida finst ikkje)">condylarth</a>, <a href="/w/index.php?title=Uintatheriidae&action=edit&redlink=1" class="new" title="Uintatheriidae (sida finst ikkje)">uintatheriidae</a>) blømde og utvikla seg gjennom epoken. Fleire «modern» pattedyrfamiliar oppstår. Primitive <a href="/wiki/Kval" class="mw-redirect" title="Kval">kvalartar</a> oppstår. <a href="/wiki/Antarktis" title="Antarktis">Antarktis</a> frys til igjen og iskappene her dannast. <a href="/w/index.php?title=Azollahendinga&action=edit&redlink=1" class="new" title="Azollahendinga (sida finst ikkje)">Azollahendinga</a> utløysr ei istid og ishusklimaet som følgde og framleis eksisterer i dag. Slutten på Laramide-orogensen og Sevier-orogensen i <a href="/wiki/Rocky_Mountains" title="Rocky Mountains">Rocky Mountains</a> i <a href="/wiki/Nord-Amerika" title="Nord-Amerika">Nord-Amerika</a>. <a href="/wiki/Orogenese" title="Orogenese">Orogenesen</a> til <a href="/wiki/Alpane" title="Alpane">Alpane</a> i <a href="/wiki/Europa" title="Europa">Europa</a> startar. Den hellenske orogensen startar i Hellas og Egearhavet. </td> <td style="color:black; background:#eaad43">37,2 ± 0,1<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Bartonium" title="Bartonium">Bartonium</a> </td> <td style="color:black; background:#eaad43">40,4 ± 0,2<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Lutetium" title="Lutetium">Lutetium</a> </td> <td style="color:black; background:#eaad43">48,6 ± 0,2<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Ypresium" title="Ypresium">Ypresium</a> </td> <td style="color:black; background:#eaad43">55,8 ± 0,2<sup>*</sup> </td></tr> <tr> <td rowspan="3" style="color:black; background:#eb9301"><a href="/wiki/Paleocen" title="Paleocen">Paleocen</a> </td> <td><a href="/wiki/Thanetium" title="Thanetium">Thanetium</a> </td> <td rowspan="3"><a href="/wiki/Tropisk_klima" title="Tropisk klima">Tropisk klima</a>. Moderne planter oppstår. Pattedyra utviklar seg frå dei primitive artane frå tida då dinosaurane døydde ut. Dei første store pattedyra oppstår (opp til storleikar som <a href="/wiki/Bj%C3%B8rn" title="Bjørn">bjørn</a> og <a href="/wiki/Flodhest" title="Flodhest">flodhest</a>). <a href="/w/index.php?title=Den_alpine_orogensen&action=edit&redlink=1" class="new" title="Den alpine orogensen (sida finst ikkje)">Den alpine orogensen</a> i <a href="/wiki/Europa" title="Europa">Europa</a> og <a href="/wiki/Asia" title="Asia">Asia</a> startar. <a href="/wiki/Det_indiske_subkontinentet" title="Det indiske subkontinentet">Det indiske subkontinentet</a> kolliderar med <a href="/wiki/Asia" title="Asia">Asia</a> for 55 millionar år sidan.. <a href="/wiki/Himalaya" title="Himalaya">Himalaya</a>-orogensen startar mellom 52 og 48 millionar år sidan. </td> <td style="color:black; background:#eb9301">58,7 ± 0,2<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Selandium" title="Selandium">Selandium</a> </td> <td style="color:black; background:#eb9301">61,7 ± 0,3<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Danium" title="Danium">Danium</a> </td> <td style="color:black; background:#eb9301">65,5 ± 0,3<sup>*</sup> </td></tr> <tr> <td rowspan="30" style="color:black; background:#7fad51"><a href="/wiki/Mesozoikum" title="Mesozoikum">Mesozoikum</a> </td> <td rowspan="12" style="color:black; background:#7fc31c"><a href="/wiki/Krittida" title="Krittida">Krittida</a> </td> <td rowspan="6" style="color:black; background:#def197"><a href="/wiki/Sein_krittid" class="mw-redirect" title="Sein krittid">Øvre/sein</a> </td> <td><a href="/w/index.php?title=Maastrichttida&action=edit&redlink=1" class="new" title="Maastrichttida (sida finst ikkje)">Maastricht</a> </td> <td rowspan="12"><a href="/wiki/Blomsterplante" class="mw-redirect" title="Blomsterplante">Blomsterplante</a> aukar rakst i takt med nye <a href="/wiki/Insekt" title="Insekt">insekt</a>. Meir moderne <a href="/wiki/Eigentlege_beinfiskar" class="mw-redirect" title="Eigentlege beinfiskar">eigentlege beinfiskar</a> dukkar opp. <a href="/wiki/Ammonitt" class="mw-redirect" title="Ammonitt">Ammonittar</a>, <a href="/wiki/Belemnitt" title="Belemnitt">belemnittar</a>, <a href="/w/index.php?title=Rudist&action=edit&redlink=1" class="new" title="Rudist (sida finst ikkje)">rudist</a><a href="/wiki/Musling" class="mw-redirect" title="Musling">muslingar</a>, <a href="/wiki/Bivalvia" class="mw-redirect" title="Bivalvia">bivalves</a>, <a href="/w/index.php?title=Echinoid%C3%A9&action=edit&redlink=1" class="new" title="Echinoidé (sida finst ikkje)">echinoidéar</a> og <a href="/wiki/Svampar" title="Svampar">svampar</a> er vanlege. Mange nye typar <a href="/wiki/Dinosaur" class="mw-redirect" title="Dinosaur">dinosaurar</a> (t.d. <a href="/w/index.php?title=Tyrannosauridae&action=edit&redlink=1" class="new" title="Tyrannosauridae (sida finst ikkje)">Tyrannosaursus</a>, <a href="/w/index.php?title=Titanosauridae&action=edit&redlink=1" class="new" title="Titanosauridae (sida finst ikkje)">Titanosaursus</a>, <a href="/w/index.php?title=Hadrosauridae&action=edit&redlink=1" class="new" title="Hadrosauridae (sida finst ikkje)">andenebb</a> og <a href="/w/index.php?title=Ceratopsidar&action=edit&redlink=1" class="new" title="Ceratopsidar (sida finst ikkje)">ceratopsidar</a>) utviklar seg på land, same gjer moderne <a href="/wiki/Krokodillar" class="mw-redirect" title="Krokodillar">krokodillar</a>, <a href="/w/index.php?title=Mosasaurus&action=edit&redlink=1" class="new" title="Mosasaurus (sida finst ikkje)">mosasaurusar</a> og moderne <a href="/wiki/Hai" class="mw-redirect" title="Hai">haiar</a> i havet. Primitive fuglar erstattar gradvis <a href="/w/index.php?title=Pterosaursus&action=edit&redlink=1" class="new" title="Pterosaursus (sida finst ikkje)">pterosaursus</a>. <a href="/wiki/Kloakkdyr" title="Kloakkdyr">Kloakkdyr</a>, <a href="/wiki/Pungdyr" title="Pungdyr">pungdyr</a> og <a href="/wiki/Placentale_pattedyr" title="Placentale pattedyr">placentale pattedyr</a> dukkar opp. <a href="/wiki/Gondwana" title="Gondwana">Gondwana</a> bryt opp i mindre delar. Laramid- og Sevier-orogensen startar i <a href="/wiki/Rocky_Mountains" title="Rocky Mountains">Rocky Mountains</a>. </td> <td style="color:black; background:#def197">70,6 ± 0,6<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Campanium" title="Campanium">Campanium</a> </td> <td style="color:black; background:#def197">83,5 ± 0,7<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Santonium" title="Santonium">Santonium</a> </td> <td style="color:black; background:#def197">85,8 ± 0,7<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Coniacium" title="Coniacium">Coniacium</a> </td> <td style="color:black; background:#def197">89,3 ± 1,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Turonium" title="Turonium">Turonium</a> </td> <td style="color:black; background:#def197">93,5 ± 0,8<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Cenomanium" title="Cenomanium">Cenomanium</a> </td> <td style="color:black; background:#def197">99,6 ± 0,9<sup>*</sup> </td></tr> <tr> <td rowspan="6" style="color:black; background:#b3df7f"><a href="/wiki/Tidleg_krittid" class="mw-redirect" title="Tidleg krittid">Nedre/tidleg</a> </td> <td><a href="/wiki/Albium" title="Albium">Albium</a> </td> <td style="color:black; background:#b3df7f">112,0 ± 1,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Aptium" title="Aptium">Aptium</a> </td> <td style="color:black; background:#b3df7f">125,0 ± 1,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Barremium" title="Barremium">Barremium</a> </td> <td style="color:black; background:#b3df7f">130,0 ± 1,5<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Hauterivium" title="Hauterivium">Hauterivium</a> </td> <td style="color:black; background:#b3df7f">136,4 ± 2,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Valanginium" title="Valanginium">Valanginium</a> </td> <td style="color:black; background:#b3df7f">140,2 ± 3,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Berriasium" title="Berriasium">Berriasium</a> </td> <td style="color:black; background:#b3df7f">145,5 ± 4,0<sup>*</sup> </td></tr> <tr> <td rowspan="11" style="color:black; background:#4db47e"><a href="/wiki/Juratida" title="Juratida">Juratida</a> </td> <td rowspan="3" style="color:black; background:#ccebc5"><a href="/wiki/Sein_jura" title="Sein jura">Øvre/sein</a> </td> <td><a href="/wiki/Tithonium" title="Tithonium">Tithonium</a> </td> <td rowspan="11"><a href="/wiki/Nakenfr%C3%B8a_planter" class="mw-redirect" title="Nakenfrøa planter">Nakenfrøa planter</a> (særleg <a href="/wiki/Bartre" title="Bartre">bartre</a>, <a href="/w/index.php?title=Bennettitalar&action=edit&redlink=1" class="new" title="Bennettitalar (sida finst ikkje)">bennettitalar</a> og <a href="/w/index.php?title=Kongepalmar&action=edit&redlink=1" class="new" title="Kongepalmar (sida finst ikkje)">kongepalmar</a>) og <a href="/wiki/Bregner" class="mw-redirect" title="Bregner">bregner</a> er vanlege. Mange typar <a href="/wiki/Dinosaur" class="mw-redirect" title="Dinosaur">dinosaurar</a>, som <a href="/wiki/Sauropodar" class="mw-redirect" title="Sauropodar">sauropodar</a>, <a href="/w/index.php?title=Carnosaurus&action=edit&redlink=1" class="new" title="Carnosaurus (sida finst ikkje)">carnosaurusar</a> og <a href="/wiki/Stegosaurus" title="Stegosaurus">stegosaurusar</a>. Pattedyr er vanleg, men dei er små. Dei første fuglane og øglene dukkar opp. <a href="/w/index.php?title=Ichthyosaurus&action=edit&redlink=1" class="new" title="Ichthyosaurus (sida finst ikkje)">Ichthyosaurusar</a> og <a href="/w/index.php?title=Plesiosaurus&action=edit&redlink=1" class="new" title="Plesiosaurus (sida finst ikkje)">plesiosaurusar</a> er det mykje av. <a href="/wiki/Musling" class="mw-redirect" title="Musling">Muslingar</a>, <a href="/wiki/Ammonitt" class="mw-redirect" title="Ammonitt">ammonittar</a> og <a href="/wiki/Belemnitt" title="Belemnitt">belemnittar</a> finst i massevis. <a href="/w/index.php?title=Sj%C3%B8pinnsvin&action=edit&redlink=1" class="new" title="Sjøpinnsvin (sida finst ikkje)">Sjøpinnsvin</a> er særs vanleg, i lag med <a href="/wiki/Sj%C3%B8lilje" class="mw-redirect" title="Sjølilje">sjøliljer</a>, <a href="/wiki/Sj%C3%B8stjerner" title="Sjøstjerner">sjøstjerner</a>, <a href="/wiki/Svampar" title="Svampar">svampar</a> og <a href="/w/index.php?title=Terebratulida&action=edit&redlink=1" class="new" title="Terebratulida (sida finst ikkje)">terebratulide</a> og <a href="/w/index.php?title=Rhynchonellida&action=edit&redlink=1" class="new" title="Rhynchonellida (sida finst ikkje)">rhynchonellide</a> <a href="/wiki/Armf%C3%B8ttingar" class="mw-redirect" title="Armføttingar">armføttingar</a>. <a href="/wiki/Pangea" title="Pangea">Pangea</a> bryt opp i <a href="/wiki/Gondwana" title="Gondwana">Gondwana</a> og <a href="/wiki/Laurasia" title="Laurasia">Laurasia</a>. Nevada-orogenesen i Nord-Amerika. Rantigata- og den kimmerske orogensen stoppar opp. Karbondioksidnivået i atmosfæren er 4-5 gonger høgare enn i dag). </td> <td style="color:black; background:#ccebc5">150,8 ± 4,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Kimmeridgium" title="Kimmeridgium">Kimmeridgium</a> </td> <td style="color:black; background:#ccebc5">155,7 ± 4,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Oxfordium" title="Oxfordium">Oxfordium</a> </td> <td style="color:black; background:#ccebc5">161,2 ± 4,0<sup>*</sup> </td></tr> <tr> <td rowspan="4" style="color:black; background:#7fca93"><a href="/wiki/Mellomjura" title="Mellomjura">Mellom</a> </td> <td><a href="/wiki/Callovium" title="Callovium">Callovium</a> </td> <td style="color:black; background:#7fca93">164,7 ± 4,0 </td></tr> <tr> <td><a href="/wiki/Bathonium" title="Bathonium">Bathonium</a> </td> <td style="color:black; background:#7fca93">167,7 ± 3,5<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Bajocium" title="Bajocium">Bajocium</a> </td> <td style="color:black; background:#7fca93">171,6 ± 3,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Aalenium" title="Aalenium">Aalenium</a> </td> <td style="color:black; background:#7fca93">175,6 ± 2,0<sup>*</sup> </td></tr> <tr> <td rowspan="4" style="color:black; background:#66c292"><a href="/wiki/Tidleg_jura" title="Tidleg jura">Nedre/tidleg</a> </td> <td><a href="/wiki/Toarcium" title="Toarcium">Toarcium</a> </td> <td style="color:black; background:#66c292">183,0 ± 1,5<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Pliensbachium" title="Pliensbachium">Pliensbachium</a> </td> <td style="color:black; background:#66c292">189,6 ± 1,5<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Sinemurium" title="Sinemurium">Sinemurium</a> </td> <td style="color:black; background:#66c292">196,5 ± 1,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Hettangium" title="Hettangium">Hettangium</a> </td> <td style="color:black; background:#66c292">199,6 ± 0,6<sup>*</sup> </td></tr> <tr> <td rowspan="7" style="color:black; background:#67c3b7"><a href="/wiki/Trias" title="Trias">Trias</a> </td> <td rowspan="3" style="color:black; background:#ccece1"><a href="/wiki/Sein_trias" title="Sein trias">Øvre/Sein</a> </td> <td><a href="/wiki/Rhaetium" title="Rhaetium">Rhaetium</a> </td> <td rowspan="7"><a href="/wiki/Archosauria" class="mw-redirect" title="Archosauria">Archosauria</a> dominerer på land som <a href="/wiki/Dinosaurar" title="Dinosaurar">dinosaurar</a>, i hava som <a href="/w/index.php?title=Ichthyosaurusar&action=edit&redlink=1" class="new" title="Ichthyosaurusar (sida finst ikkje)">ichthyosaurusar</a> og <a href="/w/index.php?title=Nothosaurus&action=edit&redlink=1" class="new" title="Nothosaurus (sida finst ikkje)">nothosaurusar</a>, og i lufta som <a href="/w/index.php?title=Pterosaurus&action=edit&redlink=1" class="new" title="Pterosaurus (sida finst ikkje)">pterosaurusar</a>. <a href="/w/index.php?title=Cynodont&action=edit&redlink=1" class="new" title="Cynodont (sida finst ikkje)">Cynodontar</a> vert minre og meir pattedyr-liknande, medan dei første pattedyra og krokodillane oppstår. <i><a href="/w/index.php?title=Dicrodium&action=edit&redlink=1" class="new" title="Dicrodium (sida finst ikkje)">Dicrodium</a></i>-floraen er vamleg på land. Mange store sjøamfibium som <a href="/w/index.php?title=Temnospondyli&action=edit&redlink=1" class="new" title="Temnospondyli (sida finst ikkje)">temnospondyli</a>. <a href="/wiki/Ammonitt" class="mw-redirect" title="Ammonitt">Ammonittar</a> er ekstremt vanleg. Moderne <a href="/wiki/Korall" title="Korall">korallar</a> og <a href="/w/index.php?title=Eigentlege_beinfisk&action=edit&redlink=1" class="new" title="Eigentlege beinfisk (sida finst ikkje)">eigentlege beinfisk</a> oppstår, og det same gjer mange moderne insektartar. <a href="/wiki/Andesfjella" class="mw-redirect" title="Andesfjella">Andes-orogenesen</a> startar i <a href="/wiki/S%C3%B8r-Amerika" title="Sør-Amerika">Sør-Amerika</a>, den kimmerske orogenesen i Asia, Rangitata-orogensen på <a href="/wiki/New_Zealand" title="New Zealand">New Zealand</a>. <a href="/w/index.php?title=Hunter-Bowen-orogensen&action=edit&redlink=1" class="new" title="Hunter-Bowen-orogensen (sida finst ikkje)">Hunter-Bowen-orogensen</a> i <a href="/w/index.php?title=Nord-Australia&action=edit&redlink=1" class="new" title="Nord-Australia (sida finst ikkje)">Nord-Australia</a>, <a href="/wiki/Queensland" title="Queensland">Queensland</a> og <a href="/wiki/New_South_Wales" title="New South Wales">New South Wales</a> endar, (om lag 260-225 millionar år sidan) </td> <td style="color:black; background:#ccece1">203,6 ± 1,5<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Norium" title="Norium">Norium</a> </td> <td style="color:black; background:#ccece1">216,5 ± 2,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Carnium" title="Carnium">Carnium</a> </td> <td style="color:black; background:#ccece1">228,0 ± 2,0<sup>*</sup> </td></tr> <tr> <td rowspan="2" style="color:black; background:#99d7be"><a href="/wiki/Mellomtrias" title="Mellomtrias">Mellom</a> </td> <td><a href="/wiki/Ladinium" title="Ladinium">Ladinium</a> </td> <td style="color:black; background:#99d7be">237,0 ± 2,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Anisium" title="Anisium">Anisium</a> </td> <td style="color:black; background:#99d7be">245,0 ± 1,5<sup>*</sup> </td></tr> <tr> <td rowspan="2" style="color:black; background:#67b39f"><a href="/wiki/Tidleg_trias" title="Tidleg trias">Nedre/Tidleg</a> («Scythium») </td> <td><a href="/wiki/Olenekium" title="Olenekium">Olenekium</a> </td> <td style="color:black; background:#67b39f">249,7 ± 1,5<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Indusium" title="Indusium">Indusium</a> </td> <td style="color:black; background:#67b39f">251,0 ± 0,7<sup>*</sup> </td></tr> <tr> <td rowspan="41" style="color:black; background:#80b5d5"><a href="/wiki/Paleozoikum" title="Paleozoikum">Paleozoikum</a> </td> <td rowspan="9" style="color:black; background:#67c6de"><a href="/wiki/Permtida" title="Permtida">Perm</a> </td> <td rowspan="2" style="color:black; background:#b3e3ee"><a href="/wiki/Lopingium" class="mw-redirect" title="Lopingium">Lopingium</a> </td> <td><a href="/wiki/Changhsingium" class="mw-redirect" title="Changhsingium">Changhsingium</a> </td> <td rowspan="9"><a href="/w/index.php?title=Landmass&action=edit&redlink=1" class="new" title="Landmass (sida finst ikkje)">Landmassar</a> slår seg saman til <a href="/wiki/Superkontinent" title="Superkontinent">superkontinentet</a> <a href="/wiki/Pangaea" class="mw-redirect" title="Pangaea">Pangaea</a> og <a href="/wiki/Appalachane" title="Appalachane">Appalachane</a> oppstår. Perm-karbon-istida endar. <a href="/w/index.php?title=Synapsidar&action=edit&redlink=1" class="new" title="Synapsidar (sida finst ikkje)">Synapsidreptilar</a> vert vanlege (som (<a href="/w/index.php?title=Pelycosaurus&action=edit&redlink=1" class="new" title="Pelycosaurus (sida finst ikkje)">pelycosaurusar</a> og <a href="/w/index.php?title=Therapsidar&action=edit&redlink=1" class="new" title="Therapsidar (sida finst ikkje)">therapsidar</a>), medan <a href="/w/index.php?title=Parareptilar&action=edit&redlink=1" class="new" title="Parareptilar (sida finst ikkje)">parareptilar</a> og <a href="/w/index.php?title=Temnospondyli&action=edit&redlink=1" class="new" title="Temnospondyli (sida finst ikkje)">temnospondyle</a> <a href="/wiki/Amfibiar" class="mw-redirect" title="Amfibiar">amfibiar</a> framleis er vanlege. I mellomperm vert flora frå koltida erstatta med bartre og dei første verkelege mosane. <a href="/wiki/Biller" title="Biller">Biller</a> og <a href="/w/index.php?title=Floge&action=edit&redlink=1" class="new" title="Floge (sida finst ikkje)">floger</a> utviklar seg. Sjølivet blømer ved varme korallrev.<a href="/wiki/Perm-trias-utryddinga" title="Perm-trias-utryddinga">Perm-trias-utryddinga</a> skjer for 251 millionar år sidan, der 95 % av livet på jorda døyr ut, inkludert alle <a href="/wiki/Trilobittar" class="mw-redirect" title="Trilobittar">trilobittar</a>, <a href="/w/index.php?title=Graptolittar&action=edit&redlink=1" class="new" title="Graptolittar (sida finst ikkje)">graptolittar</a> og <a href="/w/index.php?title=Blastoidar&action=edit&redlink=1" class="new" title="Blastoidar (sida finst ikkje)">blastoidar</a>. Ouachita og Innuitt-orognesane skjer i Nord-Amerika. Ural-orogensen i Europa og Asia forsvinn. Altaid-orogensen pågår i Asia og Hunter-Bowen-orogensen i Australia startar (om lag 260-225 millionar år sidan). </td> <td style="color:black; background:#b3e3ee">253,8 ± 0,7<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Wuchiapingium" class="mw-redirect" title="Wuchiapingium">Wuchiapingium</a> </td> <td style="color:black; background:#b3e3ee">260,4 ± 0,7<sup>*</sup> </td></tr> <tr> <td rowspan="3" style="color:black; background:#99d8d8"><a href="/wiki/Guadalupium" class="mw-redirect" title="Guadalupium">Guadalupium</a> </td> <td><a href="/wiki/Capitanium" class="mw-redirect" title="Capitanium">Capitanium</a> </td> <td style="color:black; background:#99d8d8">265,8 ± 0,7<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Wordium" class="mw-redirect" title="Wordium">Wordium/Kazanium</a> </td> <td style="color:black; background:#99d8d8">268,4 ± 0,7<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Roadium" class="mw-redirect" title="Roadium">Roadium/Ufimium</a> </td> <td style="color:black; background:#99d8d8">270,6 ± 0,7<sup>*</sup> </td></tr> <tr> <td rowspan="4" style="color:black; background:#80cec9"><a href="/wiki/Cisuralium" class="mw-redirect" title="Cisuralium">Cisuralium</a> </td> <td><a href="/wiki/Kungurium" class="mw-redirect" title="Kungurium">Kungurium</a> </td> <td style="color:black; background:#80cec9">275,6 ± 0,7<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Artinskium" class="mw-redirect" title="Artinskium">Artinskium</a> </td> <td style="color:black; background:#80cec9">284,4 ± 0,7<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Sakmarium" class="mw-redirect" title="Sakmarium">Sakmarium</a> </td> <td style="color:black; background:#80cec9">294,6 ± 0,8<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Asselium" class="mw-redirect" title="Asselium">Asselium</a> </td> <td style="color:black; background:#80cec9">299,0 ± 0,8<sup>*</sup> </td></tr> <tr> <td rowspan="4" style="color:black; background:#689fca"><a href="/wiki/Karbontida" title="Karbontida">Karbon-<br />tida</a><sup id="cite_ref-carboniferous_9-0" class="reference"><a href="#cite_note-carboniferous-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><b>/</b><br /><a href="/wiki/Pennsylvaniatida" title="Pennsylvaniatida">Pennsyl-<br />vania</a> </td> <td rowspan="2" style="color:black; background:#689fca"><a href="/wiki/Sein_pennsylvania" class="mw-redirect" title="Sein pennsylvania">Øvre/sein</a> </td> <td><a href="/wiki/Gzhelium" title="Gzhelium">Gzhelium</a> </td> <td rowspan="4"><a href="/wiki/Pterygota" class="mw-redirect" title="Pterygota">Flygande insekt</a> oppstår brått, nokre (som <a href="/w/index.php?title=Protodonata&action=edit&redlink=1" class="new" title="Protodonata (sida finst ikkje)">Protodonata</a> og <a href="/w/index.php?title=Palaeodictyoptera&action=edit&redlink=1" class="new" title="Palaeodictyoptera (sida finst ikkje)">Palaeodictyoptera</a>) er ganske stor. <a href="/wiki/Amfibiar" class="mw-redirect" title="Amfibiar">Amfibiar</a> er vanlege og mangfaldige. Dei første reptilane og <a href="/wiki/Kol" title="Kol">kolskogane</a> oppstår. Jordatmosfæren har det høgaste oksygeninnhaldet han har hatt nokon gong. <a href="/w/index.php?title=Goniatitar&action=edit&redlink=1" class="new" title="Goniatitar (sida finst ikkje)">Goniatitar</a>, brachiopodar, bryozoa, muslingar og korallar er det mykje av i havet. <a href="/w/index.php?title=Foraminiferar&action=edit&redlink=1" class="new" title="Foraminiferar (sida finst ikkje)">Foraminiferar</a> finst i massevis. Ural-orogensen i Europa og Asia. </td> <td style="color:black; background:#689fca">303,9 ± 0,9<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Kasimovium" title="Kasimovium">Kasimovium</a> </td> <td style="color:black; background:#689fca">306,5 ± 1,0<sup>*</sup> </td></tr> <tr> <td style="color:black; background:#689fca"><a href="/wiki/Mellompennsylvania" class="mw-redirect" title="Mellompennsylvania">Mellom</a> </td> <td><a href="/wiki/Moskovium" title="Moskovium">Moskovium</a> </td> <td style="color:black; background:#689fca">311,7 ± 1,1<sup>*</sup> </td></tr> <tr> <td style="color:black; background:#689fca"><a href="/wiki/Tidleg_pennsylvania" class="mw-redirect" title="Tidleg pennsylvania">Nedre/tidleg</a> </td> <td><a href="/wiki/Bashkirium" title="Bashkirium">Bashkirium</a> </td> <td style="color:black; background:#689fca">318,1 ± 1,3<sup>*</sup> </td></tr> <tr> <td rowspan="3" style="color:black; background:#8091ad"><a href="/wiki/Karbontida" title="Karbontida">Karbon-<br />tida</a><sup id="cite_ref-carboniferous_9-1" class="reference"><a href="#cite_note-carboniferous-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><b>/</b><br /><a href="/wiki/Mississippitida" title="Mississippitida">Missis-<br />sippitida</a> </td> <td style="color:black; background:#8091ad"><a href="/wiki/Sein_mississippi" class="mw-redirect" title="Sein mississippi">Øvre/Sein</a> </td> <td><a href="/wiki/Serpukhovium" title="Serpukhovium">Serpukhovium</a> </td> <td rowspan="3">Store <a href="/wiki/Lycopodiophyta" class="mw-redirect" title="Lycopodiophyta">primitive tre</a>, dei førte <a href="/wiki/Tetrapoda" class="mw-redirect" title="Tetrapoda">virveldyra på land</a>, og amfibiske <a href="/w/index.php?title=Eurypterid&action=edit&redlink=1" class="new" title="Eurypterid (sida finst ikkje)">sjøskorpionar</a> lever mellom <a href="/wiki/Kol" title="Kol">koldannnande</a> kyst sumper. <a href="/w/index.php?title=Rhizodont&action=edit&redlink=1" class="new" title="Rhizodont (sida finst ikkje)">Rhizodontar</a> er det dominerande rovdyret i ferskvatn. I havet er tidleg <a href="/w/index.php?title=Chondrichthye&action=edit&redlink=1" class="new" title="Chondrichthye (sida finst ikkje)">hai</a> vanleg og mangfaldig. <a href="/wiki/Pigghudingar" title="Pigghudingar">Pigghudingar</a> (særleg <a href="/wiki/Sj%C3%B8liljer" title="Sjøliljer">sjøliljer</a> og <a href="/w/index.php?title=Crinoid&action=edit&redlink=1" class="new" title="Crinoid (sida finst ikkje)">crinoids</a> og <a href="/w/index.php?title=Blastoidar&action=edit&redlink=1" class="new" title="Blastoidar (sida finst ikkje)">blastoidar</a>) er det mange av. <a href="/wiki/Korall" title="Korall">Korallar</a>, <a href="/wiki/Bryozoa" class="mw-redirect" title="Bryozoa">bryozoa</a>, <a href="/w/index.php?title=Goniatitida&action=edit&redlink=1" class="new" title="Goniatitida (sida finst ikkje)">goniatittar</a> og brachiopodar (<a href="/w/index.php?title=Productida&action=edit&redlink=1" class="new" title="Productida (sida finst ikkje)">Productida</a>, <a href="/w/index.php?title=Spiriferida&action=edit&redlink=1" class="new" title="Spiriferida (sida finst ikkje)">Spiriferida</a>) er særs vanleg. <a href="/wiki/Trilobittar" class="mw-redirect" title="Trilobittar">Trilobittar</a> og <a href="/w/index.php?title=Nautiloidar&action=edit&redlink=1" class="new" title="Nautiloidar (sida finst ikkje)">nautiloidar</a> vert det færre av. Isbredanning aust i <a href="/wiki/Gondwana" title="Gondwana">Gondwana</a>. Tuhua-orognesen på New Zealand minkar. </td> <td style="color:black; background:#8091ad">326,4 ± 1,6<sup>*</sup> </td></tr> <tr> <td style="color:black; background:#8091ad"><a href="/wiki/Mellommississippi" class="mw-redirect" title="Mellommississippi">Mellom</a> </td> <td><a href="/wiki/Vis%C3%A9um" title="Viséum">Viséum</a> </td> <td style="color:black; background:#8091ad">345,3 ± 2,1<sup>*</sup> </td></tr> <tr> <td style="color:black; background:#8091ad"><a href="/wiki/Tidleg_mississippi" class="mw-redirect" title="Tidleg mississippi">Nedre/Tidleg</a> </td> <td><a href="/wiki/Tournaisium" title="Tournaisium">Tournaisium</a> </td> <td style="color:black; background:#8091ad">359,2 ± 2,5<sup>*</sup> </td></tr> <tr> <td rowspan="7" style="color:black; background:#9999c9"><a href="/wiki/Devontida" title="Devontida">Devontida</a> </td> <td rowspan="2" style="color:black; background:#cbbddc"><a href="/wiki/Sein_devon" class="mw-redirect" title="Sein devon">Øvre/sein</a> </td> <td><a href="/wiki/Famennium" class="mw-redirect" title="Famennium">Famennium</a> </td> <td rowspan="7">Første <a href="/w/index.php?title=Lycopodiopsida&action=edit&redlink=1" class="new" title="Lycopodiopsida (sida finst ikkje)">ulvefotar</a>, <a href="/w/index.php?title=Equisetophyta&action=edit&redlink=1" class="new" title="Equisetophyta (sida finst ikkje)">sneller</a> og <a href="/wiki/Bregner" class="mw-redirect" title="Bregner">bregner</a> oppstår, og det same gjer dei første <a href="/wiki/Fr%C3%B8" title="Frø">frøplantene</a> (<a href="/w/index.php?title=Progymnosperm&action=edit&redlink=1" class="new" title="Progymnosperm (sida finst ikkje)">progymnospermar</a>), dei første <a href="/wiki/Tre" title="Tre">trea</a> (progymnosperm <i><a href="/w/index.php?title=Archaeopteris&action=edit&redlink=1" class="new" title="Archaeopteris (sida finst ikkje)">Archaeopteris</a></i>), og dei første <a href="/wiki/Insekt" title="Insekt">insekta</a> (utan vinger). <a href="/w/index.php?title=Strophomenida&action=edit&redlink=1" class="new" title="Strophomenida (sida finst ikkje)">Strophomenide</a> og <a href="/w/index.php?title=Atrypida&action=edit&redlink=1" class="new" title="Atrypida (sida finst ikkje)">atrypide</a> <a href="/wiki/Brachiopodar" class="mw-redirect" title="Brachiopodar">brachiopodar</a>, <a href="/w/index.php?title=Rugosa&action=edit&redlink=1" class="new" title="Rugosa (sida finst ikkje)">rugose</a> og <a href="/w/index.php?title=Tabulat&action=edit&redlink=1" class="new" title="Tabulat (sida finst ikkje)">tabulate</a> korallar, og <a href="/wiki/Sj%C3%B8lilje" class="mw-redirect" title="Sjølilje">sjøliljer</a> er det mykje av i hava. <a href="/w/index.php?title=Goniatitt&action=edit&redlink=1" class="new" title="Goniatitt (sida finst ikkje)">Goniatitte</a> <a href="/w/index.php?title=Ammonoid%C3%A9&action=edit&redlink=1" class="new" title="Ammonoidé (sida finst ikkje)">ammonoidar</a> er det mykje av, medan blekksprutliknande <a href="/wiki/Coleoidea" title="Coleoidea">coleoidar</a> oppstår. Trilobittar og pansra agnatar minkar, medan fiskar med kjeve (<a href="/w/index.php?title=Placodermi&action=edit&redlink=1" class="new" title="Placodermi (sida finst ikkje)">placodermar</a>, <a href="/w/index.php?title=Sarcopterygi&action=edit&redlink=1" class="new" title="Sarcopterygi (sida finst ikkje)">sarcopterygi</a>- og <a href="/w/index.php?title=Osteichthye&action=edit&redlink=1" class="new" title="Osteichthye (sida finst ikkje)">Osteichthye</a>-fisk, og tidleg <a href="/wiki/Chondrichthyes" class="mw-redirect" title="Chondrichthyes">hai</a>) herskar i havet. Dei første <a href="/wiki/Amfibiar" class="mw-redirect" title="Amfibiar">amfibiane</a> er framleis i havet. Det «gamle raude kontinentet» <a href="/wiki/Euramerika" title="Euramerika">Euramerika</a> finst. Byrjinga på den akadiske orogensen for <a href="/w/index.php?title=Anti-Atlas-fjella&action=edit&redlink=1" class="new" title="Anti-Atlas-fjella (sida finst ikkje)">Anti-Atlas-fjella</a> i <a href="/wiki/Nord-Afrika" title="Nord-Afrika">Nord-Afrika</a> og <a href="/wiki/Appalachane" title="Appalachane">Appalachane</a> i <a href="/wiki/Nord-Amerika" title="Nord-Amerika">Nord-Amerika</a>. </td> <td style="color:black; background:#cbbddc">374,5 ± 2,6<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Frasnium" class="mw-redirect" title="Frasnium">Frasnium</a> </td> <td style="color:black; background:#cbbddc">385,3 ± 2,6<sup>*</sup> </td></tr> <tr> <td rowspan="2" style="color:black; background:#9983be"><a href="/wiki/Mellomdevon" class="mw-redirect" title="Mellomdevon">Mellom</a> </td> <td><a href="/wiki/Givetium" class="mw-redirect" title="Givetium">Givetium</a> </td> <td style="color:black; background:#9983be">391,8 ± 2,7<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Eifelium" class="mw-redirect" title="Eifelium">Eifelium</a> </td> <td style="color:black; background:#9983be">397,5 ± 2,7<sup>*</sup> </td></tr> <tr> <td rowspan="3" style="color:black; background:#807dba"><a href="/wiki/Tidleg_devon" class="mw-redirect" title="Tidleg devon">Nedre/Tidleg</a> </td> <td><a href="/wiki/Emsium" class="mw-redirect" title="Emsium">Emsium</a> </td> <td style="color:black; background:#807dba">407,0 ± 2,8<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Pragium" class="mw-redirect" title="Pragium">Pragium</a> </td> <td style="color:black; background:#807dba">407,0 ± 2,8<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Lochkovium" class="mw-redirect" title="Lochkovium">Lochkovium</a> </td> <td style="color:black; background:#807dba">416,0 ± 2,8<sup>*</sup> </td></tr> <tr> <td rowspan="8" style="color:black; background:#b172b6"><a href="/wiki/Silur" title="Silur">Silur</a> </td> <td style="color:black; background:#e9c7e2"><a href="/wiki/Pridoli" class="mw-redirect" title="Pridoli">Pridoli</a> </td> <td><i>ikkje stadia definert</i> </td> <td rowspan="8">Dei første <a href="/wiki/Karplanter" class="mw-redirect" title="Karplanter">karplanter</a>, dei første <a href="/wiki/Tusenbein" title="Tusenbein">tusenbein</a> og <a href="/wiki/Leddyr" title="Leddyr">leddyr</a> på land. Dei første fiskane med kjeve, samt mange <a href="/w/index.php?title=Ostracoderm&action=edit&redlink=1" class="new" title="Ostracoderm (sida finst ikkje)">pansra</a> <a href="/wiki/Agnatha" class="mw-redirect" title="Agnatha">fisk utan kjeve</a>, i hava. <a href="/w/index.php?title=Eurypterid&action=edit&redlink=1" class="new" title="Eurypterid (sida finst ikkje)">Sjøskorpionar</a> vert store. <a href="/w/index.php?title=Tabulatkorall&action=edit&redlink=1" class="new" title="Tabulatkorall (sida finst ikkje)">tabulat</a> og <a href="/w/index.php?title=Rugosa&action=edit&redlink=1" class="new" title="Rugosa (sida finst ikkje)">rugosakorallar</a>, <a href="/wiki/Armf%C3%B8ttingar" class="mw-redirect" title="Armføttingar">armføttingar</a> (<i>Pentamerida</i>, <a href="/w/index.php?title=Rhynchonellida&action=edit&redlink=1" class="new" title="Rhynchonellida (sida finst ikkje)">Rhynchonellida</a>) og <a href="/wiki/Sj%C3%B8lilje" class="mw-redirect" title="Sjølilje">sjøliljer</a> finst det mykje av. <a href="/wiki/Trilobittar" class="mw-redirect" title="Trilobittar">Trilobittar</a> og <a href="/wiki/Muslingar" title="Muslingar">muslingar</a> er mangfaldige, <a href="/w/index.php?title=Graptolittar&action=edit&redlink=1" class="new" title="Graptolittar (sida finst ikkje)">graptolittar</a> er ikkje like varierte. Starten på <a href="/w/index.php?title=Den_kaledonske_orogensen&action=edit&redlink=1" class="new" title="Den kaledonske orogensen (sida finst ikkje)">den kaledonske orogensen</a> i <a href="/wiki/Storbritannia" title="Storbritannia">Storbritannia</a> og <a href="/wiki/Dei_skandinaviske_fjella" title="Dei skandinaviske fjella">Dei skandinaviske fjella</a>. </td> <td style="color:black; background:#e9c7e2">418,7 ± 2,7<sup>*</sup> </td></tr> <tr> <td rowspan="2" style="color:black; background:#caa7d1"><a href="/wiki/Ludlowepoken" class="mw-redirect" title="Ludlowepoken">Ludlow</a> </td> <td><a href="/wiki/Ludfordium" class="mw-redirect" title="Ludfordium">Ludfordium</a> </td> <td style="color:black; background:#caa7d1">421,3 ± 2,6<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Gorstium" class="mw-redirect" title="Gorstium">Gorstium</a> </td> <td style="color:black; background:#caa7d1">422,9 ± 2,5<sup>*</sup> </td></tr> <tr> <td rowspan="2" style="color:black; background:#b189b3"><a href="/wiki/Wenlockepoken" class="mw-redirect" title="Wenlockepoken">Wenlock</a> </td> <td><a href="/wiki/Homerium" class="mw-redirect" title="Homerium">Homerium</a> </td> <td style="color:black; background:#b189b3">426,2 ± 2,4<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Sheinwoodium" class="mw-redirect" title="Sheinwoodium">Sheinwoodium</a> </td> <td style="color:black; background:#b189b3">428,2 ± 2,3<sup>*</sup> </td></tr> <tr> <td rowspan="3" style="color:black; background:#9858a8"><a href="/wiki/Llandoveryepoken" class="mw-redirect" title="Llandoveryepoken">Llandovery</a> </td> <td><a href="/wiki/Telychium" class="mw-redirect" title="Telychium">Telychium</a> </td> <td style="color:black; background:#9858a8">436,0 ± 1,9<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Aeronium" class="mw-redirect" title="Aeronium">Aeronium</a> </td> <td style="color:black; background:#9858a8">439,0 ± 1,8<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Rhuddanium" class="mw-redirect" title="Rhuddanium">Rhuddanium</a> </td> <td style="color:black; background:#9858a8">443,7 ± 1,5<sup>*</sup> </td></tr> <tr> <td rowspan="6" style="color:black; background:#f981a6"><a href="/wiki/Ordovicium" title="Ordovicium">Ordovicium</a> </td> <td rowspan="2" style="color:black; background:#fbb4bd"><a href="/wiki/Sein_ordovicium" title="Sein ordovicium">Øvre/sein</a> </td> <td><a href="/wiki/Hirnantium" title="Hirnantium">Hirnantium</a> </td> <td rowspan="6"><a href="/wiki/Virvellause_dyr" title="Virvellause dyr">Virvellause dyr</a> utviklar seg til mange nye artar. Tidlege korallar, <a href="/wiki/Armf%C3%B8ttingar" class="mw-redirect" title="Armføttingar">armføttingar</a> (<i>Orthida</i>, <i>Strophomenida</i>), <a href="/wiki/Muslingar" title="Muslingar">muslingar</a>, <a href="/w/index.php?title=Nautiloidar&action=edit&redlink=1" class="new" title="Nautiloidar (sida finst ikkje)">nautiloidar</a>, <a href="/wiki/Trilobittar" class="mw-redirect" title="Trilobittar">trilobittar</a>, <a href="/wiki/Muslingkreps" title="Muslingkreps">muslingkreps</a>, <a href="/w/index.php?title=Bryozo&action=edit&redlink=1" class="new" title="Bryozo (sida finst ikkje)">bryozo</a>, mange artar av <a href="/wiki/Pigghudingar" title="Pigghudingar">pigghudingar</a> (<a href="/wiki/Sj%C3%B8liljer" title="Sjøliljer">sjøliljer</a>, <a href="/w/index.php?title=Cystoid%C3%A9&action=edit&redlink=1" class="new" title="Cystoidé (sida finst ikkje)">cystoidé</a>, <a href="/wiki/Sj%C3%B8stjerne" class="mw-redirect" title="Sjøstjerne">sjøstjerne</a>), <a href="/w/index.php?title=Graptolittar&action=edit&redlink=1" class="new" title="Graptolittar (sida finst ikkje)">graptolittars</a> og andre er vanlege. <a href="/w/index.php?title=Konodontar&action=edit&redlink=1" class="new" title="Konodontar (sida finst ikkje)">Konodontar</a> (tidlege <a href="/wiki/Plankton" title="Plankton">planktonaktige</a> virvelause dyr) oppstår. Dei første <a href="/w/index.php?title=Embryophyte&action=edit&redlink=1" class="new" title="Embryophyte (sida finst ikkje)">grøne plantene</a> og <a href="/wiki/Sopp" title="Sopp">soppane</a> på land. Istid mot slutten av perioden. </td> <td style="color:black; background:#fbb4bd">445,6 ± 1,5<sup>*</sup> </td></tr> <tr> <td>Andra fauniske stadia </td> <td style="color:black; background:#fbb4bd">460,9 ± 1,6<sup>*</sup> </td></tr> <tr> <td rowspan="2" style="color:black; background:#fa9ab1"><a href="/wiki/Mellomordovicium" title="Mellomordovicium">Mellom</a> </td> <td><a href="/wiki/Darriwilium" title="Darriwilium">Darriwilium</a> </td> <td style="color:black; background:#fa9ab1">468,1 ± 1,6<sup>*</sup> </td></tr> <tr> <td>Andre fauniske stadia </td> <td style="color:black; background:#fa9ab1">471,8 ± 1,6<sup>*</sup> </td></tr> <tr> <td rowspan="2" style="color:black; background:#e67da4"><a href="/wiki/Tidleg_ordovicium" title="Tidleg ordovicium">Nedre/tidleg</a> </td> <td><a href="/wiki/Arenig" class="mw-redirect" title="Arenig">Arenig</a> </td> <td style="color:black; background:#e67da4">471,8 ± 1,7<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Tremadocium" title="Tremadocium">Tremadocium</a> </td> <td style="color:black; background:#e67da4">488,3 ± 1,7<sup>*</sup> </td></tr> <tr> <td rowspan="4" style="color:black; background:#fb805f"><a href="/wiki/Kambrium" title="Kambrium">Kambrium</a> </td> <td rowspan="2" style="color:black; background:#fdcdb8"><a href="/wiki/Furongium" title="Furongium">Furongium</a> </td> <td><a href="/wiki/Kambrium#Inndeling" title="Kambrium">Andre fauniske stadia</a> </td> <td rowspan="4">Særs mangfaldig liv oppstår i <a href="/wiki/Den_kambriske_eksplosjonen" title="Den kambriske eksplosjonen">den kambriske eksplosjonen</a>. Mange fossil, dei fleste moderne dyrerekkene oppstår. Dei første <a href="/w/index.php?title=Chordatar&action=edit&redlink=1" class="new" title="Chordatar (sida finst ikkje)">chordatar</a> oppstår, samt mange utdøydde, problematiske rekker. <a href="/w/index.php?title=Archaeocyatha&action=edit&redlink=1" class="new" title="Archaeocyatha (sida finst ikkje)">Archaeocyatha</a> er det mykje av før dei brått forsvinn. <a href="/wiki/Trilobittar" class="mw-redirect" title="Trilobittar">Trilobittar</a>, <a href="/w/index.php?title=Priapulide&action=edit&redlink=1" class="new" title="Priapulide (sida finst ikkje)">priapulide</a> markar, <a href="/wiki/Svampar" title="Svampar">svampar</a>, uledda <a href="/wiki/Armf%C3%B8ttingar" class="mw-redirect" title="Armføttingar">armføttingar</a> og mange andre dyr er svært talrike. <a href="/w/index.php?title=Anomalocarid&action=edit&redlink=1" class="new" title="Anomalocarid (sida finst ikkje)">Anomalocaridar</a> er enorme rovdyr, medan mykje av Ediacara-faunaen døyr ut. <a href="/wiki/Prokaryotar" title="Prokaryotar">Prokaryotar</a>, <a href="/wiki/Protistar" title="Protistar">protistar</a> (som <a href="/w/index.php?title=Foraminifera&action=edit&redlink=1" class="new" title="Foraminifera (sida finst ikkje)">foraminifera</a>), <a href="/wiki/Sopp" title="Sopp">sopp</a> og <a href="/wiki/Alger" title="Alger">alger</a> oppstår og finst den dag i dag. <a href="/wiki/Gondwana" title="Gondwana">Gondwana</a> oppstår. <a href="/w/index.php?title=Petermann-orogensen&action=edit&redlink=1" class="new" title="Petermann-orogensen (sida finst ikkje)">Petermann-orogensen</a> i Australia stoppar. Ross-orogensen i Antarktis pågår. Innhaldet av karbondioksid i atmosfæren er om lag 20-35 gonger så høgt som i dag. (6000 ppmv samanlikna med 385 ppmv i dag) </td> <td style="color:black; background:#fdcdb8">496,0 ± 2,0<sup>*</sup> </td></tr> <tr> <td><a href="/wiki/Paibium" title="Paibium">Paibium</a>/<a href="/w/index.php?title=Ibexium&action=edit&redlink=1" class="new" title="Ibexium (sida finst ikkje)">Ibexium</a>/<br /><a href="/w/index.php?title=Ayusokkanium&action=edit&redlink=1" class="new" title="Ayusokkanium (sida finst ikkje)">Ayusokkanium</a>/<a href="/w/index.php?title=Sakium&action=edit&redlink=1" class="new" title="Sakium (sida finst ikkje)">Sakium</a>/<br /><a href="/w/index.php?title=Aksajan&action=edit&redlink=1" class="new" title="Aksajan (sida finst ikkje)">Aksajan</a> </td> <td style="color:black; background:#fdcdb8">501,0 ± 2,0<sup>*</sup> </td></tr> <tr> <td style="color:black; background:#e8ae97"><a href="/wiki/Mellomkambrium" title="Mellomkambrium">Mellom</a> </td> <td><a href="/wiki/Kambrium#inndeling" title="Kambrium">andre fauniske stadia</a> </td> <td style="color:black; background:#e8ae97">513,0 ± 2,0 </td></tr> <tr> <td style="color:black; background:#e77c72"><a href="/wiki/Tidleg_kambrium" title="Tidleg kambrium">Nedre/tidleg</a> </td> <td><a href="/wiki/Kambrium#inndeling" title="Kambrium">andre fauniske stadia</a>/<br /><a href="/w/index.php?title=Tommotium&action=edit&redlink=1" class="new" title="Tommotium (sida finst ikkje)">Tommotium</a>/<br /><a href="/w/index.php?title=Atdabanium&action=edit&redlink=1" class="new" title="Atdabanium (sida finst ikkje)">Atdabanium</a>/<a href="/w/index.php?title=Botomium&action=edit&redlink=1" class="new" title="Botomium (sida finst ikkje)">Botomium</a> </td> <td style="color:black; background:#e77c72">542,0 ± 1,0<sup>*</sup> </td></tr> <tr> <td rowspan="18" style="color:black; background:#b0c4d8"><a href="/wiki/Prekambrium" title="Prekambrium">Prekam-<br />brium</a> </td> <td rowspan="10" style="color:black; background:#ccd891"><a href="/wiki/Proterozoikum" title="Proterozoikum">Proter-<br />ozoikum</a><sup id="cite_ref-Precambrian-Time_10-0" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td rowspan="3" style="color:black; background:#caa595"><a href="/wiki/Neoproterozoikum" title="Neoproterozoikum">Neo-<br />proterozoikum</a><sup id="cite_ref-Precambrian-Time_10-1" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td style="color:black; background:#ead8bc"><a href="/wiki/Ediacara" title="Ediacara">Ediacara</a> </td> <td colspan="3">Gode <a href="/wiki/Fossil" title="Fossil">fossil</a> av dei første <a href="/wiki/Metazoa" class="mw-redirect" title="Metazoa">fleircella dyra</a>. <a href="/w/index.php?title=Ediacarisk_biota&action=edit&redlink=1" class="new" title="Ediacarisk biota (sida finst ikkje)">Ediacarisk biota</a> blømer i havet i heile verda. Enkle <a href="/w/index.php?title=Sporfossil&action=edit&redlink=1" class="new" title="Sporfossil (sida finst ikkje)">sporfossil</a> av mogeleg markliknande <i><a href="/w/index.php?title=Trichophycus_pedum&action=edit&redlink=1" class="new" title="Trichophycus pedum (sida finst ikkje)">Trichophycus</a></i>. Dei første <a href="/wiki/Svampar" title="Svampar">svampane</a> og <a href="/wiki/Trilobittar" class="mw-redirect" title="Trilobittar">trilobittar</a> oppstår. Gåtefulle former er mellom anna geleaktige skapningar formar som sekkar, skiver eller matter (som <i><a href="/w/index.php?title=Dickinsonia&action=edit&redlink=1" class="new" title="Dickinsonia (sida finst ikkje)">Dickinsonia</a></i>). </td> <td style="color:black; background:#ead8bc">630 +5/-30<sup>*</sup> </td></tr> <tr> <td style="color:black; background:#dcabaa"><a href="/wiki/Kryogenium" title="Kryogenium">Kryogenium</a> </td> <td colspan="3">Mogelegens ein «<a href="/wiki/Sn%C3%B8balljord" class="mw-redirect" title="Snøballjord">snøballjord</a>-periode». <a href="/wiki/Fossil" title="Fossil">Fossil</a> er sjeldne. Landmassen <a href="/wiki/Rodinia" title="Rodinia">Rodinia</a> byrjar å bryte opp. </td> <td style="color:black; background:#dcabaa">850<sup id="cite_ref-absolute-age_11-0" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="color:black; background:#cba46c"><a href="/wiki/Tonium" title="Tonium">Tonium</a> </td> <td colspan="3">Superkontinentet <a href="/wiki/Rodinia" title="Rodinia">Rodinia</a> eksisterer framleis. <a href="/w/index.php?title=Sporfossil&action=edit&redlink=1" class="new" title="Sporfossil (sida finst ikkje)">Sporfossil</a> av enkle fleircella <a href="/wiki/Eukariotar" class="mw-redirect" title="Eukariotar">eukariotar</a>. Dei første spor av <a href="/w/index.php?title=Dinoflagellat&action=edit&redlink=1" class="new" title="Dinoflagellat (sida finst ikkje)">dinoflagellat</a>-liknande <a href="/w/index.php?title=Acritarchar&action=edit&redlink=1" class="new" title="Acritarchar (sida finst ikkje)">acritarchar</a>. </td> <td style="color:black; background:#cba46c">1000<sup id="cite_ref-absolute-age_11-1" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td rowspan="3" style="color:black; background:#ddc288"><a href="/wiki/Mesoproterozoikum" title="Mesoproterozoikum">Meso-<br />proterozoikum</a><sup id="cite_ref-Precambrian-Time_10-2" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td style="color:black; background:#ddc288"><a href="/wiki/Stenium" title="Stenium">Stenium</a> </td> <td colspan="3">Smalt, kraftig <a href="/wiki/Metamorf_bergart" title="Metamorf bergart">metamorfe</a> belter på grunn av orogense då <a href="/wiki/Rodinia" title="Rodinia">Rodinia</a> vart danna. </td> <td style="color:black; background:#ddc288">1200<sup id="cite_ref-absolute-age_11-2" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="color:black; background:#ddc288"><a href="/wiki/Ectasium" title="Ectasium">Ectasium</a> </td> <td colspan="3">Koloniar av <a href="/w/index.php?title=Gr%C3%B8nalger&action=edit&redlink=1" class="new" title="Grønalger (sida finst ikkje)">grønalger</a> i havet. </td> <td style="color:black; background:#ddc288">1400<sup id="cite_ref-absolute-age_11-3" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="color:black; background:#ddc288"><a href="/wiki/Calymmium" title="Calymmium">Calymmium</a> </td> <td colspan="3"><a href="/wiki/Superkontinentet_Columbia" title="Superkontinentet Columbia">Superkontinentet Columbia</a> bryt opp i mindre bitar, om lag 1,5 milliardar år sidan. </td> <td style="color:black; background:#ddc288">1600<sup id="cite_ref-absolute-age_11-4" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td rowspan="4" style="color:black; background:#b3b25e"><a href="/wiki/Paleoproterozoikum" title="Paleoproterozoikum">Paleo-<br />proterozoikum</a><sup id="cite_ref-Precambrian-Time_10-3" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td style="color:black; background:#b3b25e"><a href="/wiki/Statherium" title="Statherium">Statherium</a> </td> <td colspan="3">Dei første <a href="/wiki/Eukariotar" class="mw-redirect" title="Eukariotar">fleircella dyra</a>: <a href="/wiki/Protistar" title="Protistar">protistar</a> med kjerne. <a href="/wiki/Superkontinentet_Columbia" title="Superkontinentet Columbia">Superkontinentet Columbia</a> dominerer. </td> <td style="color:black; background:#b3b25e">1800<sup id="cite_ref-absolute-age_11-5" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="color:black; background:#b3b25e"><a href="/wiki/Orosirium" title="Orosirium">Orosirium</a> </td> <td colspan="3"><a href="/wiki/Jordatmosf%C3%A6ren" title="Jordatmosfæren">Jordatmosfæren</a> vert <a href="/wiki/Oksygen" title="Oksygen">oksygenhaldig</a>. <a href="/wiki/Asteroide" title="Asteroide">Asteroidar</a> treff <a href="/wiki/Vredefortkrateret" title="Vredefortkrateret">Vredefort</a> og <a href="/w/index.php?title=Sudburybekkenet&action=edit&redlink=1" class="new" title="Sudburybekkenet (sida finst ikkje)">Sudburybekkenet</a>. </td> <td style="color:black; background:#b3b25e">2050<sup id="cite_ref-absolute-age_11-6" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="color:black; background:#b3b25e"><a href="/wiki/Rhyacium" title="Rhyacium">Rhyacium</a> </td> <td colspan="3"><a href="/w/index.php?title=Bushveld&action=edit&redlink=1" class="new" title="Bushveld (sida finst ikkje)">Bushveldformasjonen</a> oppstår. <a href="/wiki/Den_huronske_istida" class="mw-redirect" title="Den huronske istida">Den huronske istida</a>. </td> <td style="color:black; background:#b3b25e">2300<sup id="cite_ref-absolute-age_11-7" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="color:black; background:#b3b25e"><a href="/wiki/Siderium" title="Siderium">Siderium</a> </td> <td colspan="3"><a href="/wiki/Oksygenkatastrofen" title="Oksygenkatastrofen">Oksygenkatastrofen</a>: <a href="/w/index.php?title=Lagdelte_jernrike_bergartar&action=edit&redlink=1" class="new" title="Lagdelte jernrike bergartar (sida finst ikkje)">Lagdelte jernrike bergartar</a> oppstår. </td> <td style="color:black; background:#b3b25e">2500<sup id="cite_ref-absolute-age_11-8" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td rowspan="4" style="color:black; background:#99adac"><a href="/wiki/Arkeikum" title="Arkeikum">Arkeikum</a><sup id="cite_ref-Precambrian-Time_10-4" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td style="color:black; background:#cbcdc8"><a href="/wiki/Neoarkeikum" title="Neoarkeikum">Neoarkeikum</a><sup id="cite_ref-Precambrian-Time_10-5" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td colspan="4">Dei første stabile <a href="/wiki/Kraton" title="Kraton">kratonar</a> oppstår. <a href="/wiki/Mantel" title="Mantel">Mantelen</a> veltar mogelegeins overende. <a href="/w/index.php?title=Abitibi-gr%C3%B8nsteinen&action=edit&redlink=1" class="new" title="Abitibi-grønsteinen (sida finst ikkje)">Abitibi-grønsteinen</a> i dagen <a href="/wiki/Ontario" title="Ontario">Ontario</a> og <a href="/wiki/Quebec" title="Quebec">Quebec</a> tar form og stabiliserer seg for 2600 millionar år sidan. </td> <td style="color:black; background:#cbcdc8">2800<sup id="cite_ref-absolute-age_11-9" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="color:black; background:#b2b5af"><a href="/wiki/Mesoarkeikum" title="Mesoarkeikum">Mesoarkeikum</a><sup id="cite_ref-Precambrian-Time_10-6" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td colspan="4">Dei første <a href="/wiki/Stromatolitt" title="Stromatolitt">stromatolittane</a> (truleg <a href="/wiki/Cyanobakteriar" title="Cyanobakteriar">cyanobakteriar</a>). Eldste <a href="/w/index.php?title=Makrofossil&action=edit&redlink=1" class="new" title="Makrofossil (sida finst ikkje)">makrofossil</a>. </td> <td style="color:black; background:#b2b5af">3200<sup id="cite_ref-absolute-age_11-10" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="color:black; background:#999791"><a href="/wiki/Paleoarkeikum" title="Paleoarkeikum">Paleoarkeikum</a><sup id="cite_ref-Precambrian-Time_10-7" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td colspan="4">Første kjende <a href="/w/index.php?title=Fototrof&action=edit&redlink=1" class="new" title="Fototrof (sida finst ikkje)">oksygenproduserande</a> <a href="/wiki/Bakterie" class="mw-redirect" title="Bakterie">bakterie</a>. Eldste <a href="/w/index.php?title=Mikrofossil&action=edit&redlink=1" class="new" title="Mikrofossil (sida finst ikkje)">mikrofossil</a>. Eldste <a href="/wiki/Kraton" title="Kraton">kraton</a> på jorda kan ha oppstått i denne perioden.<sup id="cite_ref-Oldest-craton_12-0" class="reference"><a href="#cite_note-Oldest-craton-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup>. </td> <td style="color:black; background:#999791">3600<sup id="cite_ref-absolute-age_11-11" class="reference"><a href="#cite_note-absolute-age-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="color:black; background:#809090"><a href="/wiki/Eoarkeikum" title="Eoarkeikum">Eoarkeikum</a><sup id="cite_ref-Precambrian-Time_10-8" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td colspan="4"><a href="/wiki/Prokaryotar" title="Prokaryotar">Eincella liv</a> (truleg <a href="/wiki/Bakteriar" title="Bakteriar">bakteriar</a> og kanskje <a href="/wiki/Arkar" title="Arkar">arkar</a>). Eldste trulege <a href="/w/index.php?title=Mikrofossil&action=edit&redlink=1" class="new" title="Mikrofossil (sida finst ikkje)">mikrofossil</a>. </td> <td style="color:black; background:#809090">3800 </td></tr> <tr> <td rowspan="4" style="color:black; background:#809090"><a href="/wiki/Hadeikum" title="Hadeikum">Hadeikum</a><br /><sup id="cite_ref-Precambrian-Time_10-9" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-hadeon-not-formal_13-0" class="reference"><a href="#cite_note-hadeon-not-formal-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </td> <td style="color:black; background:#809090"><a href="/w/index.php?title=Nedre_imbrium&action=edit&redlink=1" class="new" title="Nedre imbrium (sida finst ikkje)">Nedre imbrium</a><sup id="cite_ref-Precambrian-Time_10-10" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Lunar-geologic-timescale-names_14-0" class="reference"><a href="#cite_note-Lunar-geologic-timescale-names-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </td> <td colspan="4">Denne æraen overlappar slutten av <a href="/w/index.php?title=Det_seine_tunge_bombardementet&action=edit&redlink=1" class="new" title="Det seine tunge bombardementet (sida finst ikkje)">det seine tunge bombardementet</a> i <a href="/w/index.php?title=Det_indre_solsystemet&action=edit&redlink=1" class="new" title="Det indre solsystemet (sida finst ikkje)">det indre solsystemet</a>. </td> <td style="color:black; background:#809090">ca 3850 </td></tr> <tr> <td style="color:black; background:#809090"><a href="/w/index.php?title=Nectarium&action=edit&redlink=1" class="new" title="Nectarium (sida finst ikkje)">Nectarium</a><sup id="cite_ref-Precambrian-Time_10-11" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Lunar-geologic-timescale-names_14-1" class="reference"><a href="#cite_note-Lunar-geologic-timescale-names-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </td> <td colspan="4">Denne æraen har fått namn etter då <a href="/w/index.php?title=Nectarisbassenget&action=edit&redlink=1" class="new" title="Nectarisbassenget (sida finst ikkje)">Nectarisbassenget</a> og andre hav på månen vart danna. </td> <td style="color:black; background:#809090">ca 3920 </td></tr> <tr> <td style="color:black; background:#809090"><a href="/w/index.php?title=Bekkengrupper&action=edit&redlink=1" class="new" title="Bekkengrupper (sida finst ikkje)">Bekkengrupper</a><sup id="cite_ref-Precambrian-Time_10-12" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Lunar-geologic-timescale-names_14-2" class="reference"><a href="#cite_note-Lunar-geologic-timescale-names-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </td> <td colspan="4">Eldste kjende bergart (4030 Ma)<sup id="cite_ref-Oldest-rock_15-0" class="reference"><a href="#cite_note-Oldest-rock-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup>. Dei første <a href="/w/index.php?title=Livsform&action=edit&redlink=1" class="new" title="Livsform (sida finst ikkje)">livsformer</a> og <a href="/w/index.php?title=Sj%C3%B8lvrepodusering&action=edit&redlink=1" class="new" title="Sjølvrepodusering (sida finst ikkje)">sjølvrepoduserande</a> <a href="/wiki/RNA" class="mw-redirect" title="RNA">RNA</a>-<a href="/wiki/Molekyl" title="Molekyl">molekyla</a> kan ha utvikla seg i denne æraen. </td> <td style="color:black; background:#809090">ca 4150 </td></tr> <tr> <td style="color:black; background:#809090"><a href="/w/index.php?title=Kryptisk_%C3%A6ra&action=edit&redlink=1" class="new" title="Kryptisk æra (sida finst ikkje)">Kryptisk</a><sup id="cite_ref-Precambrian-Time_10-13" class="reference"><a href="#cite_note-Precambrian-Time-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Lunar-geologic-timescale-names_14-3" class="reference"><a href="#cite_note-Lunar-geologic-timescale-names-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </td> <td colspan="4">Det eldste kjende <a href="/wiki/Mineral" title="Mineral">mineralet</a> (<a href="/wiki/Zirkon" title="Zirkon">Zirkon</a>, 4406±8 Ma<sup id="cite_ref-geology-wisc-edu_16-0" class="reference"><a href="#cite_note-geology-wisc-edu-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup>). Danning av <a href="/wiki/Jorda" title="Jorda">jorda</a> (4567,17 til 4570 Ma) </td> <td style="color:black; background:#809090">ca 4570 </td></tr></tbody></table> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><div class="reflist reflist-columns references-column-width reflist-columns-2" style=""> <ol class="references"> <li id="cite_note-USGS1997-1"><span class="mw-cite-backlink"><a href="#cite_ref-USGS1997_1-0">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20051223072700/http://pubs.usgs.gov/gip/geotime/age.html">«Age of the Earth»</a>. U.S. Geological Survey. 1997. Arkivert frå <a rel="nofollow" class="external text" href="https://pubs.usgs.gov/gip/geotime/age.html">originalen</a> 23 December 2005<span class="reference-accessdate">. Henta 10. januar 2006</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fnn.wikipedia.org%3AGeologisk+tidsskala&rft.btitle=Age+of+the+Earth&rft.date=1997&rft.genre=unknown&rft.pub=U.S.+Geological+Survey&rft_id=http%3A%2F%2Fpubs.usgs.gov%2Fgip%2Fgeotime%2Fage.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-titan-2"><span class="mw-cite-backlink"><a href="#cite_ref-titan_2-0">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20230611054516/https://www.titan.uio.no/andre-temaer/2021/hvordan-vet-vi-hvor-gammel-jorda-er.html">«Hvordan vet vi hvor gammel jorda er?»</a>. Titan.uio.no, Universitetet i Oslo. 31. mars 2021. Arkivert frå <a rel="nofollow" class="external text" href="https://www.titan.uio.no/andre-temaer/2021/hvordan-vet-vi-hvor-gammel-jorda-er.html">originalen</a> 11. juni 2023<span class="reference-accessdate">. Henta 11. juni 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fnn.wikipedia.org%3AGeologisk+tidsskala&rft.btitle=Hvordan+vet+vi+hvor+gammel+jorda+er%3F&rft.genre=unknown&rft.pub=Titan.uio.no%2C+Universitetet+i+Oslo&rft_id=https%3A%2F%2Fwww.titan.uio.no%2Fandre-temaer%2F2021%2Fhvordan-vet-vi-hvor-gammel-jorda-er.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">John McPhee, <i>Basin and Range</i>, New York:Farrar, Straus and Giroux, 1981, s.95-100.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">John McPhee, <i>Basin and Range</i>, s. 113-114.</span> </li> <li id="cite_note-faunal-stages-5"><span class="mw-cite-backlink"><a href="#cite_ref-faunal-stages_5-0">↑</a></span> <span class="reference-text">Paleonotolgar refererer ofte til <a href="/w/index.php?title=Faunisk_stadium&action=edit&redlink=1" class="new" title="Faunisk stadium (sida finst ikkje)">faunisk stadium</a> i staden for geologiske periodar. Terminologien for stadium er ganske komplisert. Sjå <cite class="citation web"><a rel="nofollow" class="external text" href="http://flatpebble.nceas.ucsb.edu/cgi-bin/bridge.pl?action=startScale">«The Paleobiology Database»</a><span class="reference-accessdate">. Henta 17. august 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fnn.wikipedia.org%3AGeologisk+tidsskala&rft.btitle=The+Paleobiology+Database&rft.genre=unknown&rft_id=http%3A%2F%2Fflatpebble.nceas.ucsb.edu%2Fcgi-bin%2Fbridge.pl%3Faction%3DstartScale&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span> for ei full liste over fauniske stadia.</span> </li> <li id="cite_note-uncertain-dates-6"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-uncertain-dates_6-0">6,0</a></sup> <sup><a href="#cite_ref-uncertain-dates_6-1">6,1</a></sup></span> <span class="reference-text">Åra kan vere noko forskjellig frå kejlde til kjelde. Dette kjem hovudsakleg av usikre radiometriske dateringar. Årstala og feila over i følgje tidsskalaen til <a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">International Commission on Stratigraphy</a> frå 2004. Datoar markert med ei * indikerer grenser som er internasjonalt anerkjende.</span> </li> <li id="cite_note-cenozoic-division-7"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-cenozoic-division_7-0">7,0</a></sup> <sup><a href="#cite_ref-cenozoic-division_7-1">7,1</a></sup> <sup><a href="#cite_ref-cenozoic-division_7-2">7,2</a></sup> <sup><a href="#cite_ref-cenozoic-division_7-3">7,3</a></sup></span> <span class="reference-text">Historisk vart kenozoikum delt inn i <a href="/wiki/Kvart%C3%A6r" title="Kvartær">kvartær</a> og <a href="/wiki/Terti%C3%A6r" class="mw-redirect" title="Tertiær">tertiær</a>, samt <a href="/wiki/Neogen" title="Neogen">neogen</a> og <a href="/wiki/Paleogen" title="Paleogen">paleogen</a>. International Commission on Stratigraphy har nyleg slutta å nytte kvartær og tertiær som offisiell terminologi.</span> </li> <li id="cite_note-holocene-8"><span class="mw-cite-backlink"><a href="#cite_ref-holocene_8-0">↑</a></span> <span class="reference-text">Straten på <a href="/wiki/Holocen" title="Holocen">holocen</a> er her gjeve som <a href="/w/index.php?title=%C3%98vre_steinalder&action=edit&redlink=1" class="new" title="Øvre steinalder (sida finst ikkje)">11 430</a> år sidan ± 130 år (dvs. mellom <a href="/w/index.php?title=9610_fvt.&action=edit&redlink=1" class="new" title="9610 fvt. (sida finst ikkje)">9610 fvt.</a>-<a href="/w/index.php?title=9560_fvt.&action=edit&redlink=1" class="new" title="9560 fvt. (sida finst ikkje)">9560 fvt.</a> og <a href="/w/index.php?title=9350_fvt.&action=edit&redlink=1" class="new" title="9350 fvt. (sida finst ikkje)">9350 fvt.</a>-<a href="/w/index.php?title=9300_fvt.&action=edit&redlink=1" class="new" title="9300 fvt. (sida finst ikkje)">9300 fvt.</a>). Sjå <a href="/wiki/Holocen" title="Holocen">holocen</a>.</span> </li> <li id="cite_note-carboniferous-9"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-carboniferous_9-0">9,0</a></sup> <sup><a href="#cite_ref-carboniferous_9-1">9,1</a></sup></span> <span class="reference-text">I Nord-Amerika er karbontida delt inn i <a href="/wiki/Mississippitida" title="Mississippitida">mississippi-</a> og <a href="/wiki/Pennsylvaniatida" title="Pennsylvaniatida">pennsylvaniatida</a>.</span> </li> <li id="cite_note-Precambrian-Time-10"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Precambrian-Time_10-0">10,00</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-1">10,01</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-2">10,02</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-3">10,03</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-4">10,04</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-5">10,05</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-6">10,06</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-7">10,07</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-8">10,08</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-9">10,09</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-10">10,10</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-11">10,11</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-12">10,12</a></sup> <sup><a href="#cite_ref-Precambrian-Time_10-13">10,13</a></sup></span> <span class="reference-text"><a href="/wiki/Proterozoikum" title="Proterozoikum">Proterozoikum</a>, <a href="/wiki/Arkeikum" title="Arkeikum">arkeikum</a> og <a href="/wiki/Hadeikum" title="Hadeikum">hadeikum</a> vert stundom omtalt samla som prekambrium eller stundom òg kryptozoikum.</span> </li> <li id="cite_note-absolute-age-11"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-absolute-age_11-0">11,00</a></sup> <sup><a href="#cite_ref-absolute-age_11-1">11,01</a></sup> <sup><a href="#cite_ref-absolute-age_11-2">11,02</a></sup> <sup><a href="#cite_ref-absolute-age_11-3">11,03</a></sup> <sup><a href="#cite_ref-absolute-age_11-4">11,04</a></sup> <sup><a href="#cite_ref-absolute-age_11-5">11,05</a></sup> <sup><a href="#cite_ref-absolute-age_11-6">11,06</a></sup> <sup><a href="#cite_ref-absolute-age_11-7">11,07</a></sup> <sup><a href="#cite_ref-absolute-age_11-8">11,08</a></sup> <sup><a href="#cite_ref-absolute-age_11-9">11,09</a></sup> <sup><a href="#cite_ref-absolute-age_11-10">11,10</a></sup> <sup><a href="#cite_ref-absolute-age_11-11">11,11</a></sup></span> <span class="reference-text">Definert ved absolutt alder.</span> </li> <li id="cite_note-Oldest-craton-12"><span class="mw-cite-backlink"><a href="#cite_ref-Oldest-craton_12-0">↑</a></span> <span class="reference-text">Alderen på den eldste målbare kratonen eller jordskorpe er datert til 3600-3800 millionar år sidan.</span> </li> <li id="cite_note-hadeon-not-formal-13"><span class="mw-cite-backlink"><a href="#cite_ref-hadeon-not-formal_13-0">↑</a></span> <span class="reference-text">Sjølv om det er mykje brukt er ikkje <a href="/wiki/Hadeikum" title="Hadeikum">hadeikum</a> eit formelt eon og ein har ikkje vorte eins om ei nedre grense for arkeikum og eoarkeikum.</span> </li> <li id="cite_note-Lunar-geologic-timescale-names-14"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Lunar-geologic-timescale-names_14-0">14,0</a></sup> <sup><a href="#cite_ref-Lunar-geologic-timescale-names_14-1">14,1</a></sup> <sup><a href="#cite_ref-Lunar-geologic-timescale-names_14-2">14,2</a></sup> <sup><a href="#cite_ref-Lunar-geologic-timescale-names_14-3">14,3</a></sup></span> <span class="reference-text">Desse namna er teke frå <a href="/w/index.php?title=Den_geologiske_tidsskalaen_til_M%C3%A5nen&action=edit&redlink=1" class="new" title="Den geologiske tidsskalaen til Månen (sida finst ikkje)">den geologiske tidsskalaen til Månen</a> og vert berre nytta uoffisielt for Jorda.</span> </li> <li id="cite_note-Oldest-rock-15"><span class="mw-cite-backlink"><a href="#cite_ref-Oldest-rock_15-0">↑</a></span> <span class="reference-text">Eldste bergart på jorda er <a href="/w/index.php?title=Acasta-gneisen&action=edit&redlink=1" class="new" title="Acasta-gneisen (sida finst ikkje)">Acasta-gneisen</a> og er 4,03 milliardar år gammal og funne i <a href="/wiki/Northwest_Territories" class="mw-redirect" title="Northwest Territories">Northwest Territories</a> i <a href="/wiki/Canada" title="Canada">Canada</a>.</span> </li> <li id="cite_note-geology-wisc-edu-16"><span class="mw-cite-backlink"><a href="#cite_ref-geology-wisc-edu_16-0">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external free" href="http://www.geology.wisc.edu/%7Evalley/zircons/Wilde2001Nature.pdf">http://www.geology.wisc.edu/%7Evalley/zircons/Wilde2001Nature.pdf</a></span> </li> </ol></div></div></td></tr></tbody></table></div> <div class="mw-heading mw-heading2"><h2 id="Kjelder">Kjelder</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geologisk_tidsskala&veaction=edit&section=5" title="Endre bolk: Kjelder" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geologisk_tidsskala&action=edit&section=5" title="Rediger kildekoden til seksjonen Kjelder"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r3318915"><div class="reflist"> </div> <div class="references-small"> <ul><li><i>Denne artikkelen bygger på «<a href="https://en.wikipedia.org/wiki/Geologic_time_scale" class="extiw" title="en:Geologic time scale">Geologic time scale</a>» frå <a href="https://en.wikipedia.org/wiki/Main_Page" class="extiw" title="en:Main Page">Wikipedia på engelsk</a>, den 17. august 2008.</i></li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="Bakgrunnsstoff">Bakgrunnsstoff</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geologisk_tidsskala&veaction=edit&section=6" title="Endre bolk: Bakgrunnsstoff" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geologisk_tidsskala&action=edit&section=6" title="Rediger kildekoden til seksjonen Bakgrunnsstoff"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://rst.gsfc.nasa.gov/Sect2/Sect2_1b.html">NASA: Geologisk tid</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20050418090602/http://rst.gsfc.nasa.gov/Sect2/Sect2_1b.html">Arkivert</a> 2005-04-18 ved <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>.</li> <li><a rel="nofollow" class="external text" href="http://www.geosociety.org/science/timescale/timescl.htm">GSA: Geologisk tidsskala</a></li> <li><a rel="nofollow" class="external text" href="http://www.bgs.ac.uk/Education/britstrat/home.html">British Geological Survey: Geological Timechart</a></li> <li><a rel="nofollow" class="external text" href="http://www.stratigraphy.org/geowhen/">GeoWhen Database</a></li> <li><a rel="nofollow" class="external text" href="http://www.stratigraphy.org/gssp.htm">International Commission on Stratigraphy Time Scale </a></li> <li><a rel="nofollow" class="external text" href="http://www.chronos.org">CHRONOS </a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120328221949/http://portal.chronos.org/gridsphere/gridsphere?cid=micropaleo">Arkivert</a> 2012-03-28 ved <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>.</li> <li><a rel="nofollow" class="external text" href="http://www.nmnh.si.edu/paleo/geotime/index.htm">National Museum of Natural 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