Keuper
专有名词
英文释义
专有名词
- A lithostratigraphic unit (a sequence of rock strata) in the subsurface of large parts of west and central Europe, consisting of dolomite, shales or claystones and evaporites that were deposited during the Middle and Late Triassic epochs (about 220 million years ago).
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数据来源: Wiktionary