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单词 Coniacian
释义
Coniacian

Geology and Earth Sciences
  • A stage in the European Upper Cretaceous, for which the stratotype is at Cognac, France, preceded by the Turonian and followed by the Santonian. It is dated (Int. Commission on Stratigraphy, 2004) at 89.3–85.8 Ma ago. See also senonian.


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