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Date: 2009-11-12 09:59:09Geology Geological history of Earth Earth Stratigraphy Quaternary geochronology Geological ages Units of time Paleobiology Quaternary Phil Gibbard International Commission on Stratigraphy Global Boundary Stratotype Section and Point | International Commission on Stratigraphy Subcommission on Quaternary StratigraphyAdd to Reading ListSource URL: quaternary.stratigraphy.orgDownload Document from Source WebsiteFile Size: 94,00 KBShare Document on Facebook |