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It is a sedimentary rock, and is therefore formed when layers of sand/mud and animal remains fall to the bottom of an ocean or lake, and slowly decompose and are crushed together by the weight of the water, forming a rock. This is why sedimentary rocks often contain fossils- its those dead animals.

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Is limestone from shells chemical organic or clastic?

Limestone made from shells would be an organic sedimentary rock.


Is limestone made by shells organic?

No. Carbonates are considered to be inorganic.


Why is limestone called a organic rock?

Limestone is not generally referred to as an organic rock. It is primarily composed of calcium carbonate, which is a mineral. However, in some cases, limestone can contain remnants of organic matter such as shells, coral, or other marine organisms, which can give it a slightly organic origin. This is why some people may refer to limestone as an organic rock.


Is limestone that is made from shells a organic rock?

Yes, mostly gravel from a landslide, and organic rocks


Is limestone made from clastic organis or chemical?

A purely chemical sedimentary limestone would contain no fossil remnants, organic limestone would.


What organic sedimentary rock is made of microscopic shells?

Limestone and chalk.


Is limestone an organic and chemical sedimentary rock?

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.


What rock can be a chemical or organic rock?

Limestone is a type of rock that can be either chemical or organic in nature. Chemical limestone is formed through the precipitation of calcium carbonate, while organic limestone is made up of the remains of marine organisms like shells and coral.


Sediment is made from pieces of?

Sediment is made from clay, gravel, some organic matter, weathered limestone and basalt.


Is sandstone organic?

Sandstone is not an organic sedimentary rock, but limestone is.


What kinds of stone are canyons made of?

Sedimentary, mainly versions of sandstone and limestone, both chemical and/or organic.


Is Limestone an Organic Rock?

yes