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...
Found on http://en.wikipedia.org/wiki/Oligocene

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.
Found on http://thinkexist.com/dictionary/meaning/oligocene/

Oligocene

Oligocene epoch noun from 40 million to 25 million years ago; appearance of sabertoothed cats
Found on https://www.encyclo.co.uk/local/20974

Oligocene

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

Oligocene

a geological epoch lasting from 38 to 26 million years ago. See time table.
Found on http://www.seafriends.org.nz/books/glossary.htm

Oligocene

A geological period 30-20 mya.
Found on https://nzlizards.landcareresearch.co.nz/Resources/Glossary.aspx

Oligocene

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).
Found on https://www.encyclo.co.uk/local/21202

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.
Found on http://www.wordinfo.info/words/index/info/view_unit/407/

Oligocene

The Oligocene was the fifteenth geological period, 42,000,000 years ago.
Found on http://www.probertencyclopaedia.com/browse/HO.HTM

Oligocene

The period of time between 23 and 34 million years ago.
Found on http://www.bgs.ac.uk/discoveringGeology/glossary.html

Oligocene

The third geological epoch of the Cenozoic era. The Oligocene occurred approximately 34-23 million years ago.
Found on http://www.daviddarling.info/encyclopedia/O/Oligocene.html

Oligocene

[n] - from 25 million to 40 million years ago
Found on http://www.webdictionary.co.uk/definition.php?query=Oligocene
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