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Oligocene Series Epoch |
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Oligocene Series (Epoch)
the upper division of the Paleogene system (period). It was identified in 1855 by the German geologist H. E. Beyrich. The Oligocene is subdivided into two, sometimes three, parts, and its stages have been given various local names. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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