Limestone is a sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO₃). The deposition of limestone strata is often a by-product and indicator of biological activity in the geologic record.

Coastal limestones are often eroded by organisms which bore into the rock by various means. This process is known as bioerosion. It is most common in the tropics, and it is known throughout the fossil record (see Taylor and Wilson, 2003).

References Edit

• Taylor, P.D. and Wilson, M.A., 2003. Palaeoecology and evolution of marine hard substrate communities. Earth-Science Reviews 62: 1-103.[1]

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