Anthracite is a metamorphic rock commonly called coal ,whose protolith or parent rock is bituminous coal.
Anthracite coal is a type of metamorphic rock. It forms from the transformation of bituminous coal under increased temperature and pressure over time.
Most coal is sedimentary, but anthracite is bituminous coal that has undergone metamorphosis to become a 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.
Granite, shale, coal, and limestone are commonly known as types of rocks. Granite is an igneous rock, shale is a sedimentary rock, coal is a sedimentary rock that forms from organic matter, and limestone is a sedimentary rock composed mainly of calcite.
Granite, shale, coal, and limestone are commonly known as types of rocks. Granite is an igneous rock, shale is a sedimentary rock, coal is a sedimentary rock derived from organic matter, and limestone is a sedimentary rock composed mostly of calcium carbonate.
Anthracite
The coal variety anthracite is a metamorphic rock.
Anthracite coal is classified as a metamorphic rock. I've included two wikipedia links on this subject.
No. Anthracite coal is a 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.
Most coal is sedimentary, but anthracite is bituminous coal that has undergone metamorphosis to become a metamorphic rock.
Peat (not much of a rock).
It is a metamorphic rock . Also the coal is sometimes considered a sedimentary rock.
shale
anthracite
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.
A texture know as foliation is common in metamorphic rock and garnets are more commonly found in metamorphic rock than other rock types of the crust.