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