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bituminous coal

http://resource.geosciml.org/classifier/cgi/lithology/bituminous_coal

alt label
medium rank coal more like this
definition Coal that has vitrinite mean random reflectance greater than 0.6% and less than 2.0% (determined in conformance with ISO 7404-5), or has a gross calorific value greater than 24 MJ/kg (determined in conformance with ISO 1928). Hard, black, organic rich sedimentary rock; contains less than 91 percent fixed carbon on a dry, mineral-matter-free basis, and greater than 13-14 percent volatiles (dry, ash free). Formed from the compaction or induration of variously altered plant remains similar to those of peaty deposits. more like this
example
fettkohle more like this
flammkohle more like this
gasflammkohle more like this
gaskohle more like this
glanzkohle more like this
source Economic commission for Europe, committee on Sustainable Energy- United Nations (ECE-UN), 1998, International Classification of in-Seam Coals: Energy 19, 41 pp; see also http://en.wikipedia.org/wiki/Coal#Types_of_coal; Eberhard Lindner; Chemie für Ingenieure; Lindner Verlag Karlsruhe, S. 258 more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/lithology/coal original
narrower bituminous_coal original
in scheme simplelithology original
is primary topic of bituminous_coal