Coal Definition

Coal

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Definition

Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds

History

Origin

USA

Discoverer

John Peter Salley

Etymology

From the Old English term col, which has meant mineral of fossilized carbon since the 13th century

Class

Sedimentary Rocks

Sub-Class

Durable Rock, Soft Rock

Family

Group

Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

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Define Coal

Coal is one of the important type of rocks. If we have to define Coal in general, Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. Coal comes under Sedimentary Rocks. All Sedimentary Rocks have similar properties and formation process. Along with Coal Definition, know more about the History of Coal, Etymology of Coal in next sections.

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