Limestone made from shells would be an organic sedimentary rock.
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Limestone is a chemical sedimentary rock formed from the precipitation of calcium carbonate. It is primarily composed of mineral calcite, which is organic in origin but can also form through inorganic processes. So, limestone is considered both a chemical and organic sedimentary rock.
Limestone formed from dissolved calcite would be considered a chemical sedimentary rock.
A purely chemical sedimentary limestone would contain no fossil remnants, organic limestone would.
No, Kaibab is not an organic sedimentary rock. It is a type of limestone that was formed through the accumulation of calcium carbonate from marine organisms.
Limestone is a sedimentary rock.
It can be. Limestone can be derived from precipitating minerals, in which case it is a chemical sedimentary rock. It can also be formed from the remains of marine organisms, in which case it is described as a bioclastic sedimentary rock, a form of detrital rock.
Limestone is a type of chemical sedimentary rock that is predominantly composed of the mineral calcite or aragonite. It forms primarily from the accumulation of shell, coral, algal, and fecal debris. Limestone often contains fossils and can vary in color and texture.