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Coal

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What two forces formed coal?

Coal is a combustible sedimentary rock, composed mostly of carbon and hydrocarbons.


Is conglomerate a clastic rock?

No, conglomerate is a sedimentary rock composed of rounded rock fragments cemented together. Clastic rocks are composed of individual grains or fragments of minerals or rocks that have been compacted and cemented together.


What is the term for sedimentary rock that is composed of material evaporated for seawater?

A sedimentary rock that is composed of material evaporated from seawater is described as chemical.A sedimentary rock that is composed of material evaporated from seawater is described as chemical.


Is conglomerate a igneous rock metamorphic rock or sedimentary rock?

A conglomerate rock is a heterogeneous material.


Is coal a metal or non-metal?

Coal is a sedimentary rock composed of carbon, sulfur, hydrogen, oxygen and nitrogen. Harder forms of coal can be classified as metamorphic rock. Coal is not a metal.


What is sedimentary rock called composed of older fragments of rock?

Sedimentary rock composed of older fragments of rock is called a conglomerate. This type of rock forms when pebbles and small stones are cemented together.


What is coal formula?

The chemical formula for coal is generally C (carbon). Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon and hydrocarbons.


What is sedimentary rock composed of compacted clay?

the answer is shale.


A chemically formed sedimentary rock composed of halite should be identified as?

Halite is a mineral composed of sodium chloride and is commonly known as rock salt. Therefore, a chemically formed sedimentary rock composed of halite would be identified as rock salt or halite rock.


What map symbol is used In the earth science reference tables to represent an organically formed sedimentary rock composed mostly of carbon?

In the Earth Science Reference Tables, coal, which is an organically formed sedimentary rock primarily composed of carbon, is represented by a black square symbol. This symbol is used on geologic maps to indicate the presence of coal deposits in a given area.


What type of rock is composed of layers of small particles or sediments?

sedimentary rock


Is chalk and shale the same thing?

No. Chalk is a variant of limestone, composed primarily of calcite. It is a carbonate sedimentary rock. Shale is a laminated sedimentary rock composed of silt and clay sized particles of mostly silicate mainerals. It is a clastic sedimentary rock.