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Miocene
(redirected from 8 million years ago)

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Miocene
of, denoting, or formed in the fourth epoch of the Tertiary period, between the Oligocene and Pliocene epochs, which lasted for 19 million years

Miocene [′mīยทə‚sēn]
(geology)
A geologic epoch of the Tertiary period, extending from the end of the Oligocene to the beginning of the Pliocene.

Miocene 

the lower subdivision of Neocene rock strata, corresponding to the first, more ancient, half of the Neocene period of the earth’s geological history. In full cross sections Miocene layers are bounded by the Oligocene from below and the Pliocene from above. The Miocene was identified by C. Lyell in 1833.



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In contrast, analyses of modern human and ape DNA place that split at about 8 million years ago.
A migration of apes from Af rica to Europe and Asia may have occurred around 15 million years ago, he proposes, followed by a return to Africa of human ancestors or their ape precursors between 13 and 8 million years ago.
5 million years ago and an "extremely tentative" date of 8 million years ago for glacial onset.
 
 
 
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