oligocene period - EAS
www.timetoast.com33.9 to 23.0 million years ago- Theo 2 nguồn
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- https://en.wikipedia.org/wiki/Oligocene
The Oligocene is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present (33.9±0.1 to 23.03±0.05 Ma). As with other older geologic periods, the rock beds that define the epoch are well identified but the exact dates of the start and end of the epoch are slightly uncertain. The name Oligocene was coined in 1854 by the German paleontologist Heinrich Ernst Beyrichfrom his studies of marine beds in Belgium and Germany. T…
Wikipedia · Nội dung trong CC-BY-SA giấy phép - https://www.vedantu.com/geography/oligocene
- Oligocene Period is the third and last major worldwide division of the Paleogene Period which is 65.5 million to about 23 million years ago. This is the interval between 33.9 million to 23 million years ago. The Oligocene Epoch is here subdivided into two ages, we present their corresponding rock stages as well: The Rupelian Age The Chattian Age. T...
Hình ảnh của Oligocene Period
bing.com/images- https://ucmp.berkeley.edu/tertiary/oligocene.php
The Oligocene Epoch, right smack in the middle of the Tertiary Period (and end of the Paleogene), lasted from about 33.9 to 23 million years ago.* Although it lasted a "short" 11 million years, a number of major changes occurred during this time.
- https://www.thoughtco.com/the-oligocene-epoch-1091368Xem thêm trên thoughtco.comWhile the Oligocene epoch was still fairly temperate by modern standards, this 10-million-year stretch of geologic time saw a decrease in both average global temperatures and sea levels. All of the world's continents were well on their way toward moving into their present positions; the most striking change occurred in …
Early Oligocene Period Stock Images
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