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dolomite
intraclasts
limestone
micrite
oolites
pellets
skeletal
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Commonly a sedimentary rock, either limestone (whose mineralogy is calcium carbonate (CaCO3), or a dolomite (Ca(Mg)CO3)). Often formed of the remains of calcium carbonate tests of marine organisms, and/physicochemical grains including oolites, intraclasts, pellets and/lime mud or micrite. Rates of accumulation are often sensitive to photosynthesis and so depth of water.
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