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What else can I help you with?
What rock category is lignite in?
Coal. See related link.
Is anthracite coal a sedimentary rock?
No. Anthracite coal is a metamorphic rock.
What is the parent rock for anthracite coal?
Peat (not much of a rock).
What type of rock can coal be classified as?
Coal is classified as 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.
Why is coal still a rock?
It is a metamorphic rock . Also the coal is sometimes considered a sedimentary rock.
Is coal a sedimentary rocks?
Coal is a sedimentary rock. However, harder forms of coal, because of exposure to elevated temperature and pressure, are metamorphic rock.
How does coal go through the rock-cycle?
Coal forms from the remains of plants that have been buried in Earth's crust for millions of years. Over time, heat and pressure from the layers of rock above it compress the plant material, forming coal. This process of transformation from plant material to coal is part of the rock cycle, as coal is a type of sedimentary rock.
What is the inches of a coal rock?
there is not a certain size a coal rock can be because they come in all sizes.
Is coal extrusive igneous rock?
No, coal is a sedimentary rock composed mostly of the remains of ancient vegetation (except for anthracite coal which is a metamorphic rock, see image above)..
Is coal a mineral coal?
no coal doesn't have the 5 characteristics of a rock
Is coal sedimentary?
Coal is a sedimentary rock. However, harder forms of coal, because of exposure to elevated temperature and pressure, are metamorphic rock.
