1) Epoch 2) Epoch after the eocene 3) Oligocene epoch
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https://www.crosswordclues.com/clue/oligocene
The Oligocene n (symbol O{font|G|size=65%} ) is a geologic epoch of the Paleogene period and extends from about 33.9 million to 23 million years before the present ({val|33.9|0.1} to {val|23.03|0.05|ul=Ma}). As with other older geologic periods, the rock beds that define the period are well identified but the exact dates of the start and en...
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http://en.wikipedia.org/wiki/Oligocene
• (a.) Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods. • (n.) The Oligocene period. See the Chart of Geology.
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http://thinkexist.com/dictionary/meaning/oligocene/
The third geological epoch of the Cenozoic era. The Oligocene occurred approximately 34-23 million years ago.
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http://www.daviddarling.info/encyclopedia/O/Oligocene.html
Ol'i·go·cene adjective [
Oligo- + Greek ... new, recent.]
(Geol.) Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods. --
noun The Oligocene period. See the
Chart of
Geology...
Found on
http://www.encyclo.co.uk/webster/O/17
The Oligocene was the fifteenth geological period, 42,000,000 years ago.
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http://www.probertencyclopaedia.com/browse/HO.HTM
a geological epoch lasting from 38 to 26 million years ago. See time table.
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http://www.seafriends.org.nz/books/glossary.htm
[
n] - from 25 million to 40 million years ago
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http://www.webdictionary.co.uk/definition.php?query=Oligocene
Oligocene 1. The third of the five major worldwide divisions (epochs) of the Tertiary period (Cenozoic era), extending from the end of the Eocene to the beginning of the Miocene period. 2. The rock strata formed during this epoch.
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http://www.wordinfo.info/words/index/info/view_unit/407/
Oligocene epoch noun from 40 million to 25 million years ago; appearance of sabertoothed cats
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https://www.encyclo.co.uk/local/20974
An epoch of the early Tertiary period, spanning the time between 33.7 and 23.8 million years ago. It is named after the Greek words 'oligos' (little, few) and 'ceno' (new).
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https://www.encyclo.co.uk/local/21202
A geological period 30-20 mya.
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https://www.encyclo.co.uk/local/22658
The period of time between 23 and 34 million years ago.
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https://www.encyclo.co.uk/local/23001
No exact match found.
