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Is anthracite an igneous metamorphic or sedimentary?
Anthracite is a metamorphic rock. Anthracite is formed when an organic sedimentary rock - coal - is compressed and heated in the ground.
Is anthracite coal a sedimentary rock?
No. Anthracite coal is a metamorphic rock.
What type of coal is a sedimentary rock?
All types of coal are sedimentary, except anthracite which is metamorphic.
What kind of coal is sedimentary rock?
Coal, other than the metamorphic form called anthracite, is an organic sedimentary rock.
Is anthracite a sedimentary or a igneous rock?
Anthracite is a metamorphic rock, not a sedimentary or igneous rock. It forms from the metamorphism of bituminous coal, under high pressure and temperature conditions deep within the Earth's crust.
Is coal a igneouse rock?
No. It is considered a sedimentary rock, except for the variety anthracite, which is considered a metamorphic rock.
Is Anthracite coal igneous metamorphic or sedimentary?
Anthracite coal is a type of metamorphic rock. It forms from the transformation of bituminous coal under increased temperature and pressure over time.
What kind of rock is an organic rock?
Anthracite could be considered an organic metamorphic rock as its protolith is bituminous coal, an organic sedimentary rock.
What rock group does coal belong to?
Anthracite coal is considered metamorphic. All other types are sedimentary.
Is coal a metamorphic rock?
Coal when subject to mild metamorphism turns into Anthracite, in which the carbon content is between 92% and 98%. If squeezed and heated still further, the coal will transform into graphite and of cause if the taken to extremes diamond will be produced, but that would require the coal to be taken deep into the earth's mantle.
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 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.
