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Quaternary Time

Quaternary global chronostratigraphical correlation table - click for website with full-sized versions
Quaternary global chronostratigraphical correlation table for the last 2.7 million years. The timescale is based on the internationally-recognised subdivisions of Phanerozoic Eon, Cenozoic Era, Quaternary System or Period; Pleistocene and Holocene Epochs or Series, and finally the Early/Lower, Middle, Late/Upper Pleistocene Subseries, stages or ages, which curerntly are not formalised. So far, two Global Stratotype Section and Points (GSSP) have been ratified within the last 2.7 million years. Chart from Stratigraphical charts for the Quaternary (includes also previous versions), Subcommission on Quaternary Stratigraphy. Reference Cohen & Gibbard 2011


Links: The Quaternary is dead, long live the Quaternary - Current status and some possible options for formalizing the "Quaternary" interval of Earth history. Durations of stages, epochs and "Quaternary" on the geologic time scale are according to their span in millions of years. The Neogene Period begins at ~23 Ma (after OGG 2004). - David Bressan, Cryology & co.; Quaternary Palaeoenvironments Group (QPG) Wikipedia; National Geographic; Prehistoric Animals--Quaternary Period MAK111015


Cohen K.M. & Gibbard, P. 2011 Global chronostratigraphical correlation table for the last 2.7 million years. Subcommission on Quaternary Stratigraphy (International Commission on Stratigraphy), Cambridge, England.

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