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Coals are formed by burial and metamorphosis of peat deposits. In this process, many of the volatiles are driven off, and left is a 'pure' carbon.
Earthquakes are caused mainly by the movement of tectonic plates.
Volcanoes are caused by the eruption of magma from the mantle.
So volcanoes are associated mainly with the movement of tectonic plates; but not vice versa.
Anthracite has little to do with either.
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Is Anthracite coal igneous metamorphic or sedimentary?
Anthracite Coal is a metamorphic rock.
What metamorphic rock is commonly known as coal?
Anthracite is a metamorphic rock commonly called coal ,whose protolith or parent rock is bituminous coal.
What are the varieties of coal formed inside the earth?
wood-peat-lignite-subbituminous-bituminous-anthracite The wood is converted to anthracite (coal) through various stages. lignite, subbituminous,bituminous,anthracite are the major coal types formed these are ranked based on the presence of carbon ,hydrogen and oxygen content
Is coal metamorphic?
Most coal is sedimentary, but anthracite is bituminous coal that has undergone metamorphosis to become a metamorphic rock.
What is anthracite used for?
Anthracite forms from the metamorphism of bituminous coal. The metamorphism occurs due to pressures and temperatures from depth of burial or stresses derived from plate movements.
How does metamorphism change coal into anthracite?
Actually anthracite is a variety of coal.
Is Anthracite coal igneous metamorphic or sedimentary?
Anthracite Coal is a metamorphic rock.
What is harder lignite or anthracite coal?
Anthracite coal is harder than Lignite.
What can anthracite be classified as?
Anthracite is a type of coal.
Why is anthracite black?
Anthracite is a form of coal, coal is primary carbon, and carbon is black.
What metamorphic rock does anthracite coal turn in to?
Anthracite coal is already a metamorphic rock.
Is anthracite coal a sedimentary rock?
Yes, anthracite coal is a type of coal that is considered a metamorphic rock, not a sedimentary rock. It forms from the metamorphism of bituminous coal at high pressures and temperatures.
How many British thermal units are in a pound of anthracite coal?
There are 13,000 btu/lb anthracite coal.
What is anthracite a type of?
Coal. Anthracite is a very hard very clean burning metamorphic type of coal.
What is the deff of anthracite?
Anthracite is metamorphosed bituminous coal, a coal with the highest percentage of carbon of the coal varieties.
Is coal hard?
Anthracite coal is harder than bituminous coal. Anthracite coal has a relative hardness of 1.3 to 1.4. Bituminous coal has a hardness of less than one.
What are the protoliths of Schist and Anthracite coal?
The protolith of schist is typically shale or slate, which undergoes metamorphism to form schist. The protolith of anthracite coal is primarily bituminous coal, which is subjected to higher temperature and pressure conditions during metamorphism to convert into anthracite coal.
