Coquina is a rock made of small pieces of broken shells. Ocean waves break seashells into smaller pieces. Over time, these pieces are moved and deposited. When they stick together, they form coquina. Coquina is most likely a(n) ________.a. igneous rockb. metamorphic rockc. sedimentary rock

Coquina is usually defined as a sedimentary limestone rock that is found to be present in the freshwater zones and in the coastal areas. This rock is made up of broken shells that are smaller in size. The rocks can be easily broken down by the constant flowing of sea waves.

This rock is commonly formed in the same way as the other sedimentary rocks, i.e. it is formed by the deposition of sediments carrying these organic remains and eventually undergoes the process of compaction and lithification on the seafloor.

Thus, the correct answer is option (C).

chilljain33 chilljain33 · Answer 2 · 2022-01-14T12:58:34+01:00

The correct statement is that Coquina rock is a form of a sedimentary rock. So, the correct option matching the statement above is C.

Coquina rock is basically formed of chemical compositions and living organisms, which are mostly formed near marine bio-diversities and marine conditions.

Sedimentary rocks

Sedimentary rocks refer to such rocks which are formed due to the deposition of multiple layer of mineral or dead organisms on the surface of the Earth.

As it is known that Coquina is formed by the deposition of seashells near the oceans, it can be said that coquina rocks are also a form of sedimentary rocks.

Hence, the correct option is C, that Coquina rocks are a form of sedimentary rock. A reference image of coquina rock is attached below.

Learn more about sedimentary rocks here:

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