Concept information
Término preferido
coal
Tipo
-
Product
Definición
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A readily combustible black or brownish-black rock whose composition, including inherent moisture, consists of more than 50 percent by weight and more than 70 percent by volume of carbonaceous material. It is formed from plant remains that have been compacted, hardened, chemically altered, and metamorphosed by heat and pressure over geologic time.
Fuente: US Environmental Protection Agency
Tipo: Concept definition
Concepto genérico
Conceptos específicos
En otras lenguas
-
español
URI
https://lod.nal.usda.gov/nalt/27354
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