单词 | tentaculite limestone |
释义 | > as lemmastentaculite limestone tentaculite beds, strata of the Ilfracombe group of Middle Devonian age, characterized by the abundance of Tentaculites scalaris. tentaculite limestone, in the New York Geological Survey, a subdivision of the Water-lime group of Upper Silurian strata, similarly characterized.extracted from tentaculiten.< as lemmas |
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