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- 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. Shelly limestone is a sedimentary rock because it is made up of fragments. To be shelly, it is full of broken shells which are "glued" together with calcite. Calcium carbonate often makes up around 10% of the volume, whilst many varied sized shells from granular to very large pebbles. Its color is gray. (en)
- Un calcaire coquillier est un type de roche calcaire constituée de restes d'organismes, dont les tests sont identifiables. Ils ne sont cependant pas, comme dans le cas de la lumachelle, orientés plus ou moins parallèlement à la stratification. Ces deux types de roches pourraient aussi être réunies sous le terme de calcaires bioclastiques. (fr)
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- 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. Shelly limestone is a sedimentary rock because it is made up of fragments. To be shelly, it is full of broken shells which are "glued" together with calcite. Calcium carbonate often makes up around 10% of the volume, whilst many varied sized shells from granular to very large pebbles. Its color is gray. (en)
- Un calcaire coquillier est un type de roche calcaire constituée de restes d'organismes, dont les tests sont identifiables. Ils ne sont cependant pas, comme dans le cas de la lumachelle, orientés plus ou moins parallèlement à la stratification. Ces deux types de roches pourraient aussi être réunies sous le terme de calcaires bioclastiques. (fr)
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- Calcaire coquillier (fr)
- Shelly limestone (en)
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