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coal is considered a rock because it makes up a layer or layers of the earth's surface. it is one of the only organic rocks.
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∙ 14y ago
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Why is coal not considered to be a rock?
Coal is considered a sedimentary rock, except for Anthracite which is considered a metamorphic rock.
Can coal be organic rock?
Coal is considered an organic sedimentary rock, except for anthracite which is considered a metamorphic rock.
Is coal harder or softer than rock?
Coal is considered to be a rock.
What rock group does coal belong to?
Anthracite coal is considered metamorphic. All other types are sedimentary.
Is bituminous coal foliated or non-foliated?
Bituminous coal is considered a sedimentary rock and therefore would not be foliated or non-foliated, terms which are used to describe metamorphic rock.
Why is coal not considered to be a rock?
Coal is considered a sedimentary rock, except for Anthracite which is considered a metamorphic rock.
Can coal be organic rock?
Coal is considered an organic sedimentary rock, except for anthracite which is considered a metamorphic rock.
Is coal harder or softer than rock?
Coal is considered to be a rock.
Why is coal still a rock?
It is a metamorphic rock . Also the coal is sometimes considered 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.
Is coal a igneouse rock?
No. It is considered a sedimentary rock, except for the variety anthracite, which is considered a metamorphic rock.
