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Holocene Epoch |
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Holocene epoch (hŏl`əsēn) or Recent epoch, most recent of all subdivisions of geologic time, ranging from the present back to the time (c.11,000 years ago) of almost complete withdrawal of the glaciers of the preceding Pleistocene epoch Pleistocene epoch (plī`stəsēn), 6th epoch of the Cenozoic era of geologic time (see Geologic Timescale , table). ..... Click the link for more information. . During the Holocene epoch, the sculpturing of the earth's surface to its present form was completed. Withdrawal of the glacial ice resulted in the development of the present-day drainage basins of the Missouri and Ohio rivers, the development of the Great Lakes, and a global rise in sea level of up to 100 ft (30 m) as the glacial meltwater was returned to the seas. Warming climates resulted in the poleward migration of plants and animals. The most significant development during the Holocene was the rise of modern humans, who are thought to have first appeared in the late Pleistocene. All of the races of modern humans were fully developed, with eventual worldwide distribution. Human culture developed during this epoch from a primitive one to the complex industrial society of today, in which humans themselves have become a significant factor in altering the earth's surface environment. See Geologic Timescale Geologic Timescale Era Period Epoch Approximate duration (millions of years)
Approximate number of years ago
(millions of years)
..... Click the link for more information. (table). Holocene Epochformerly Recent EpochLatest interval of the Earth's geologic history, dating from 10,000 years ago to the present. The younger of the two epochs that constitute the Quaternary Period, the Holocene follows the last glacial stage of the Pleistocene Epoch. It is characterized by relatively warm climatic conditions. During this epoch humans have refined the skills that have led to the present level of civilization. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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During this period, from 10,800 to 10,300 years ago, the globe shivered through one final cold spell before entering the warm Holocene epoch, according to standard wisdom. Such a revision would have the beginning of the calendar coincide with the start of the current geologic time period, the Holocene epoch. Researchers have usually considered the current geologic time period, the Holocene epoch, immune to the wild temperature shifts of the last ice age, which ended 10,000 years ago. |
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