www.geosociety.org Open in urlscan Pro
20.245.176.189  Public Scan

Form analysis
1 forms found in the DOM

POST /GSA/gsa/timescale/home.aspx?

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        Execute: 3,
        Select: 4,
        SelectAndReturnValue: 5,
        Delete: 6,
        Purge: 7,
        Import: 8,
        Export: 9,
        Publish: 10,
        Versions: 11,
        Refresh: 12,
        Cut: 13,
        Copy: 14,
        Paste: 15,
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        SelectAll: 17,
        Search: 18,
        Preview: 19,
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                      <li id="ctl01_ciUtilityNavigation_ctl04__rptWrapper__rptWrapper_rpt_ctl02_NavigationListItem" class="NavigationListItem">
                        <a id="ctl01_ciUtilityNavigation_ctl04__rptWrapper__rptWrapper_rpt_ctl02_NavigationLink" class="NavigationLink" onclick="MenuLI_OnClick('https://store.geosociety.org/')" href="https://store.geosociety.org/" target="_blank"><span class="nav-text" translate="yes">GSA Store</span></a>
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                      <li id="ctl01_ciUtilityNavigation_ctl04__rptWrapper__rptWrapper_rpt_ctl03_NavigationListItem" class="NavigationListItem">
                        <a id="ctl01_ciUtilityNavigation_ctl04__rptWrapper__rptWrapper_rpt_ctl03_NavigationLink" class="NavigationLink" onclick="MenuLI_OnClick('https://gsa-foundation.org/')" href="https://gsa-foundation.org/" target="_blank"><span class="nav-text" translate="yes">Donate</span></a>
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                  <div class="UtilitySection UtilityNavigationToggle">
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                      <span class="icon-bar"></span>
                      <span class="icon-bar"></span>
                      <span class="icon-bar"></span>
                    </button>
                  </div>
                  <div id="ctl01_ciUtilityNavigation_search-collapse" class="searchbar-collapse collapse" style="height:auto;">
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                                    <h1 class="text-center">GSA Geologic Time Scale</h1>
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                                      <a href="https://rock.geosociety.org/net/documents/gsa/timescale/timescl-2012.pdf" class="timescale" target="_blank">2012 (v. 4.0)</a>
                                      <br>
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                                      <a href="https://rock.geosociety.org/net/documents/gsa/timescale/timescl-1999.pdf" class="timescale" target="_blank">1999 (v. 2.0)</a>
                                      <br>
                                      <a href="https://rock.geosociety.org/net/documents/gsa/timescale/timescl-1983.pdf" class="timescale" target="_blank">1983 (v. 1.0)</a>
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                                      <a href="https://rock.geosociety.org/net/documents/gsa/timescale/Walker-et-al-2013.pdf" target="_blank"><em>GSA Bulletin</em> Article</a> (Walker, et&nbsp;al. 2013)
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        "width": "760px"
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        "height": "400px",
        "iconUrl": "",
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</form>

Text Content

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GSA GEOLOGIC TIME SCALE


VERSION 6.0
UPDATED OCTOBER 2022

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Earlier versions:
2018 (v. 5.0) | 2012 (v. 4.0)
2009 (v. 3.0) | 1999 (v. 2.0)
1983 (v. 1.0)

Read about the changes to v. 4.0 (2012):
Commentary
GSA Bulletin Article (Walker, et al. 2013)

 

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