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The bulk of marine skeletal remains are composed of the mineral calcite. Some marine organisms also have shells of aragonite or silica.

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Cemented shells of marine organisms form which kind of sedimentary rock?

The cemented shells of marine organisms form limestone, which is a type of sedimentary rock. Limestone is predominantly composed of the mineral calcite and can contain fossilized remains of shells and other marine organisms.


What is an organic sedimentary rock composed of cemented shells?

An organic sedimentary rock composed of cemented shells is called limestone. Limestone is primarily made up of the mineral calcite, which is derived from the shells of marine organisms like coral and mollusks. Over time, these shells accumulate and compress to form solid rock.


What rock is commonly composed of the remains of animal shells?

Limestone is commonly composed of the remains of animal shells, such as calcite from marine organisms like corals and mollusks. Over time, these shells accumulate and solidify into layers of rock.


Which of these rocks formed in a marine environment?

Limestone is made by the accumulation of shells and marine organisms.


What mineral is limestone composed of?

Limestone is primarily composed of the mineral calcite, which is a crystalline form of calcium carbonate. This mineral is also commonly found in shells of marine organisms such as clams and coral.


What type of sedimentary rock is made from dead organisms?

Limestone is a sedimentary rock that is often formed from the remains of dead marine organisms such as shells and coral. This type of rock is composed mainly of calcium carbonate.


Which type of material does biogenous sediment form?

Two types of biogenous sediments are calcareous ooze and siliceous ooze.


Which kind of sedimentary rock is formed by cemented shells of marine organisms?

Limestone is a sedimentary rock formed by cemented shells of marine organisms such as corals and shellfish. The accumulation of these shells, along with other calcium carbonate materials, over time creates limestone rock.


What is shell made from?

Shells are usually composed of calcium carbonate formed by marine organisms like mollusks. The calcium carbonate is secreted by the organism and hardens over time to create the structure of the shell.


Is diatomaceous earth similar to limestone?

Diatomaceous earth and limestone are both sedimentary rocks composed of the remains of ancient organisms. However, they are chemically different. Diatomaceous earth is mainly composed of the silica cell walls of diatoms, while limestone is mainly composed of calcium carbonate from the shells and skeletons of marine organisms.


What is calcuim carbonate made out of?

It's formed from the hard outer coverings of long-dead micro-organisms.


When marine organisms die their shells eventually become what rock?

When marine organisms die, their shells can eventually become limestone rock through a process called lithification. This process involves the compaction and cementation of the shells over time, creating a solid rock formation.