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![]() Date: 2009-02-21 02:33:52Geological history of Earth Geochronology Earth sciences Precambrian Archean Global Boundary Stratotype Section and Point Proterozoic Neoproterozoic Hadean Historical geology Geology Geologic time scale | Source URL: www.stratigraphy.orgDownload Document from Source WebsiteFile Size: 155,24 KBShare Document on Facebook |