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1.) Coal. Coal is generally formed from prehistoric plant material usually in a swamp environment The plants die and are buried in a low energy, low oxygen environment. The material then forms coal as a function of pressure, temperature and time.

2.) Coquina. Coquina is a general rock name for another type of sed rock that can be said to have been formed by living creatures. It is a rock almost completely comprised of broken up and weathered fossils of trilobites, mollusks, brachiopods and other invertebrates.

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What is the only sedimentary rock type that can be formed from things once alive?

The only sedimentary rock type that can be formed from things once alive is organic sedimentary rock, specifically coal. Coal is formed from the accumulation and compaction of plant material, primarily in swampy environments, over millions of years. Other examples of organic sedimentary rocks include some types of limestone, which can form from the remains of marine organisms.


What is the only sedmertary rock type that can be formed from things that were once alive?

The only sedimentary rock type that can be formed from things that were once alive is organic sedimentary rock. It is primarily composed of the remains of plants and animals, such as shells, bones, and plant matter. These organic materials undergo compaction and cementation over time to form rocks like limestone and coal.


What is a rock formed from the remains of living things?

An organic sedimentary rock.


What are the 3 types of sedimentary?

Mechanically formed sedimentary rock , Chemically formed sedimentary rock and Organically formed sedimentary rock.


How organic sedimentary rock made?

Organic sedimentary rocks are formed from the accumulation of once living things. Coal is an example of a sedimentary rock.


Rock type that is formed when sediment is lithified?

Sedimentary rock can be formed from lithified sediments.


A rock that is formed from pieces of other rock or from the remains of living things is called a?

Sedimentary rock.


What type of sedimentary rock is formed from the remains of living things?

Organic sedimentary rock is comprised of the remains of once living organisms.


What is the type of sedimentary rock formed from the remains of living things?

Organic sedimentary rock is comprised of the remains of once living organisms.


Sedimentary rock formed from sand?

Sedimentary rock formed from sand is called sandstone.


What type of sedimentary rock is formed form remains of living things?

Organic sedimentary rock is comprised of the remains of once living organisms.


What rock formed in layers?

sedimentary rock