Coal

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13 Terms

1
A sedimentary rock, dominantly composed of altered remains of vegetation, that can be burned and used as a fuel source.
Coal
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2
Non organic, non combustible portion of coal.
Ash
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3
Bright, shiny black coal that is mostly composed of wood tissue and can break into cubic pieces.
Vitrain
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4
Dull, rough coal that’s black or gray in color and usually forms from spore and detrital plant material.
Durain
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5
Fossil charcoal within a black, fibrous with siljy luster and is soft and friable.
Fusain
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6
Coal with banded layers made up of alternating types.
Clarain
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7
Soft, brown material with recognizable plant structures and coal is derived from.
Peat
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8
A young, soft, brown coal that is formed from peat from increased shallow burial.
Lignite
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9
A harder, more compact black charcoal that formed from lignite from increased deeper burial.
Bituminous
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10
A very hard shiny form of coal from metamorphosed bituminous.
Anthracite
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11
How may estimated coal resource potential does the Philippines have?
2,370 MMT
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12
How many estimated coal reserves does the Philippines have?
200 MMT
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13
It contains more than 40% of the Philippines total coal reserves.
Semirara Island
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