Quaternary Period - Research Article from World of Earth Science

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Quaternary Period

In geologic time, the Quaternary Period (also termed the Anthropogene Period), the second geologic period in the Cenozoic Era, spans the time between roughly 2.6 million years ago (mya) and present day. On the geologic time scale, Earth is currently in the Quaternary Period of the Cenezoic Era of the Phanerozoic Eon.

The Quaternary Period contains two geologic epochs. The earliest epoch, the Pleistocene Epoch ranges from approximately 2.6 mya to 10,000 years ago. The Pleistocene Epoch is further subdivided into (from earliest to most recent) Gelasian and Calabrian stages. The Calabrian stage is also frequently replaced by a series of geologic stages, from earliest to most recent, including the Danau, Donau-Günz, Günzian, Günz-Mindel, Mindelian, Mindel-Riss, Rissian, Riss-Würm, and Würmian stages. The latest, most recent, and current epoch, the Holocene Epoch ranges from approximately...

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This section contains 562 words
(approx. 2 pages at 300 words per page)
Buy the Quaternary Period Encyclopedia Article
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Quaternary Period from World of Earth Science. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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