Coal: Difference between revisions
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[[File:Coal Transported to the nearby Meremere Power Station, 1966.jpg|thumb|250px|Maramarua Open Cast Coal Mine in New Zealand, 1966]] | [[File:Coal Transported to the nearby Meremere Power Station, 1966.jpg|thumb|250px|Maramarua Open Cast Coal Mine in New Zealand, 1966]] | ||
'''Coal''' is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly [[hydrogen]], [[sulfur]], [[oxygen]], and [[nitrogen]]. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years. Coal is primarily used as a [[fuel]]. | '''Coal''' is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly [[carbon]] with variable amounts of other elements, chiefly [[hydrogen]], [[sulfur]], [[oxygen]], and [[nitrogen]]. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years. Coal is primarily used as a [[fuel]]. | ||
== See also == | == See also == | ||
Revision as of 21:43, 30 August 2022
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years. Coal is primarily used as a fuel.
See also
References
| This article uses material from the Wikipedia article Coal, which is released under the Creative Commons Attribution-ShareAlike 3.0 Unported License (view authors). | 
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