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All coal is metamorphic and sedimentary rock. When coal forms it is made out of ancient organic material, and over a long period of time the coal is buried under sediments and water. (That part makes it sedimentary) Over time in order to make the coal we know today heat and pressure (That is what makes it metamorphic) makes the organic material turn hard and solid to become coal.
What else can I help you with?
What type of rock can coal be classified as?
Coal is classified as a sedimentary rock.
Is coal an igneous rock sedimentary rock or metamorphic rock?
Bituminous coal is consided a sedimentary rock. Anthracite coal is bituminous coal that has been metamorphosed by great pressure and heat and is considered a metamorphic rock.
Chalk and coal are examples of a kind of sedimentary rock called?
Chalk and coal are examples of a kind of sedimentary rock called biochemical sedimentary rock. Biochemical sedimentary rocks form from the accumulation and lithification of organic remains, such as shells and plant material.
Is coal an organic sedimentary rock?
Most coal is classified as an organic sedimentary rock. The exception would be anthracite, which is metamorphosed bituminous coal.
Is coal a sediment?
coal is a sedimentary rock very high in carbonaceous content.
Is coal a sedimentary rocks?
Coal is a sedimentary rock. However, harder forms of coal, because of exposure to elevated temperature and pressure, are metamorphic rock.
What sedimentary rock begins with the letter c?
Coal is a sedimentary rock.
What type of rock is coal?
Coal is a type of organic sedimentary rock formed from dead plants.
What type of rock can coal be classified as?
Coal is classified as a sedimentary rock.
Is anthracite coal a sedimentary rock?
No. Anthracite coal is a metamorphic rock.
Is coal sedimentary?
Coal is a sedimentary rock. However, harder forms of coal, because of exposure to elevated temperature and pressure, are metamorphic rock.
Is coal an igneous rock sedimentary rock or metamorphic rock?
Bituminous coal is consided a sedimentary rock. Anthracite coal is bituminous coal that has been metamorphosed by great pressure and heat and is considered a metamorphic rock.
Is coal related to rock?
Coal is a form of rock. It is an organically formed sedimentary rock.
What kind of coal is sedimentary rock?
Coal, other than the metamorphic form called anthracite, is an organic sedimentary rock.
What does coal belong to?
Sedimentary rock.
What type of coal is a sedimentary rock?
All types of coal are sedimentary, except anthracite which is metamorphic.
Why is coal still a rock?
It is a metamorphic rock . Also the coal is sometimes considered a sedimentary rock.
