Permian
pronunciation
How to pronounce Permian in British English: UK [ˈpə:miən]
How to pronounce Permian in American English: US [ˈpɚmiən, ˈpɛr-]
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- Noun:
- from 280 million to 230 million years ago; reptiles
Word Origin
- Permian
- 1841, "pertaining to the uppermost strata of the Paleozoic era," named by British geologist Sir Roderick Impey Murchison (1792-1871) for the region of Perm in northwestern Russia, where rocks from this epoch are found.
Example
- 1. Most rock sequences that straddle the end of the permian are either incomplete or hard to date .
- 2. The affinity of associated elements in permian coals from the huaibei coalfield .
- 3. Some 250 million years ago , at the end of the time known as the permian , life was all but wiped out during a sustained period of massive volcanic eruption and devastating global warming .
- 4. When grasby and his team analyzed rocks from just before the permian mass extinction , they noticed unusual microscopic particles .
- 5. Dimetrodon appeared in the late paleozoic era , during the permian period , long before the dinosaurs evolved .