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单词 Shelly limestone
释义

Shelly limestone

英语百科

Shelly limestone

Brachiopods and bryozoans in an Ordovician shelly limestone, southern Minnesota

Shelly limestone is a highly fossiliferous limestone, composed of a number of fossilized organisms such as brachiopods, bryozoans, crinoids, sponges, corals and mollusks. It varies in color, texture and hardness. Coquina is a poorly indurated form of shelly limestone.

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更新时间:2025/6/19 10:19:16