coal is metamorphic
Bituminous coal is sedimentary! Bituminous coal is sedimentary!
Bituminous coal is sedimentary! Bituminous coal is sedimentary!
All types of coal are sedimentary, except anthracite which is metamorphic.
Most coal is sedimentary, but anthracite is bituminous coal that has undergone metamorphosis to become a metamorphic rock.
No. Anthracite coal is a metamorphic rock.
Coal is a sedimentary rock. However, harder forms of coal, because of exposure to elevated temperature and pressure, are metamorphic rock.
Coal, other than the metamorphic form called anthracite, is an organic sedimentary rock.
Coal is a sedimentary rock. However, harder forms of coal, because of exposure to elevated temperature and pressure, are metamorphic rock.
Anthracite coal is a type of metamorphic rock. It forms from the transformation of bituminous coal under increased temperature and pressure over time.
Anthracite is a metamorphic rock. Anthracite is formed when an organic sedimentary rock - coal - is compressed and heated in the ground.
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.
It is a metamorphic rock . Also the coal is sometimes considered a sedimentary rock.