Morrison Formation
专有名词
英文释义
专有名词
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A sequence of Upper Jurassic sedimentary rock in the western United States, noted as the most fertile source of dinosaur fossils in North America.
— Later it was given a member rank and assigned to the Morrison Formation[…].
词形变化
词源
Named after the town of Morrison, Colorado, where some of the first fossils in the formation were discovered by American geologist Arthur Lakes in 1877.
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数据来源: Wiktionary