Fossil section, fossils in these rocks may be of macroscopic or microscopic size.

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Fossiliferous limestone is any type of limestone, made mostly of calcium carbonate in the form of the minerals calcite or aragonite, that contains an abundance of fossils or fossil traces. The fossils in these rocks may be of macroscopic or microscopic size. The sort of macroscopic fossils often include crinoid stems, brachiopods, gastropods, and other hard shelled mollusc remains.

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Keywords: aragonite, brachiopods, calcite, crinoid, fossil, fossils, gastropods, limestone., macroscopic, microscopic, paleontology, rocks, section, size., stems