Pliocene$94286$ - определение. Что такое Pliocene$94286$
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Что (кто) такое Pliocene$94286$ - определение

SECOND EPOCH OF THE NEOGENE PERIOD
Pliocene Epoch; 2.4 million years ago; Pleiocene; Pliocene epoch; Pliocene Era; Upper Pliocene; Pliocene era; Pliocence; PLiocene
  • Examples of migrant species in the Americas after the formation of the Isthmus of Panama. Olive green silhouettes denote North American species with South American ancestors; blue silhouettes denote South American species of North American origin.
  • 19th century artist's impression of a Pliocene landscape
  • Some schemes for subdivisions of the Pliocene
  • Mid-Pliocene reconstructed annual sea surface temperature anomaly

Pliocene         
['pl???(?)si:n]
¦ adjective Geology relating to or denoting the last epoch of the Tertiary period (between the Miocene and Pleistocene epochs, 5.2 to 1.64 million years ago), a time when the first hominids appeared.
Origin
C19: from Gk pleion 'more' + kainos 'new'.
Pleiocene         
·adj ·see Pliocene.
Pliocene         
·noun The Pliocene period or deposits.
II. Pliocene ·adj Of, pertaining to, or characterizing, the most recent division of the Tertiary age.

Википедия

Pliocene

The Pliocene ( PLY-ə-seen, PLY-oh-; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58 million years ago. It is the second and most recent epoch of the Neogene Period in the Cenozoic Era. The Pliocene follows the Miocene Epoch and is followed by the Pleistocene Epoch. Prior to the 2009 revision of the geologic time scale, which placed the four most recent major glaciations entirely within the Pleistocene, the Pliocene also included the Gelasian Stage, which lasted from 2.588 to 1.806 million years ago, and is now included in the Pleistocene.

As with other older geologic periods, the geological strata that define the start and end are well identified but the exact dates of the start and end of the epoch are slightly uncertain. The boundaries defining the Pliocene are not set at an easily identified worldwide event but rather at regional boundaries between the warmer Miocene and the relatively cooler Pliocene. The upper boundary was set at the start of the Pleistocene glaciations.