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单词 Eifelian
释义
Eifelian

Geology and Earth Sciences
  • 1. A stage in the Middle Devonian epoch preceded by the Emsian, followed by the Givetian, and dated at 397.5–391.8 Ma ago (Int. Commission on Stratigraphy, 2004).

    2. The name of the corresponding European stage, which is roughly contemporaneous with the upper Cunninghamian (Australia) and upper Onesquethawian (N. America).


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