Paleogene

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Related to Paleogene Period: Neogene Period, Paleocene epoch, Jurassic period, Cretaceous period

Paleogene

[′pāl·ē·ō‚jēn]
(geology)
A geologic time interval comprising the Oligocene, Eocene, and Paleocene of the lower Tertiary period. Also known as Eogene.
References in periodicals archive ?
The Huadian oil shale deposit, in the Jilin province is of Cenozoic Era, Paleogene Period.
Geologists attribute the formation of the Causeway, a mass of thousands of basalt columns extending from the northern Ireland coastline into the Atlantic, to the cooling of multiple lava flows upon contact with the sea in the prehistoric Paleogene Period.