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Can coal be organic rock?
Yes, coal is considered an organic sedimentary rock. It is formed from the remains of plants and trees that have undergone a process of burial, decomposition, and carbonization over millions of years.
Why is coal considered a rock?
Coal is considered a rock because it is a sedimentary rock formed from the remains of plants in ancient swamps and marshes. Through a process called coalification, the organic material in the plants is transformed into coal over millions of years due to heat and pressure.
Is coal harder or softer than rock?
Coal is generally softer than most rocks. It has a lower hardness level compared to most types of rocks.
What rock group does coal belong to?
Anthracite coal is considered metamorphic. All other types are sedimentary.
Coal is considered a rock even though it consists of?
Coal is considered a rock because it is a solid, naturally occurring material formed from organic matter over millions of years. Despite its organic origin, coal's composition and characteristics classify it as a rock due to its hardness, density, and structure.
Why is coal still a rock?
It is a metamorphic rock . Also the coal is sometimes considered a sedimentary rock.
Is anthracite coal a sedimentary rock?
No. Anthracite coal is a metamorphic rock.
Is coal a igneouse rock?
No. It is considered a sedimentary rock, except for the variety anthracite, which is considered a metamorphic rock.
Can coal be organic rock?
Yes, coal is considered an organic sedimentary rock. It is formed from the remains of plants and trees that have undergone a process of burial, decomposition, and carbonization over millions of years.
Is coal considered a type of rock?
Yes, coal is considered a type of rock. It is a sedimentary rock formed from the remains of plants that have been compressed and heated over millions of years.
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.
Why is coal considered a rock?
Coal is considered a rock because it is a sedimentary rock formed from the remains of plants in ancient swamps and marshes. Through a process called coalification, the organic material in the plants is transformed into coal over millions of years due to heat and pressure.
Is coal a mieral?
Coal is not a mineral. It is loosely considered to be a rock, even though it is made of organic material.
Is coal harder or softer than rock?
Coal is generally softer than most rocks. It has a lower hardness level compared to most types of rocks.
What rock group does coal belong to?
Anthracite coal is considered metamorphic. All other types are sedimentary.
What fossil fuel is sometimes considered a type of organic sedimentary rock?
Coal is the fossil fuel sometimes considered a organic sedimentary rock.
Is coal considered a mineral because it is organic?
Well coal is a rock and rocks are made up of one or more minerals. So technically coal is a mineral because it is a rock and rocks are made of minerals.
