- boghead coal
- nnonbanded coal in which the liptinite (the waxy component) is predominantly alginite.
ASTM D121-09a Standard Terminology of Coal and Coke. 2014.
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boghead coal — ˈbägˌhed noun also boghead Usage: often capitalized B Etymology: from Boghead, West Lothian, Scotland : a cannel coal in which algal remains predominate and which is valuable as a source of paraffin oils and gas * * * /bog hed / compact… … Useful english dictionary
boghead coal — /bog hed / compact bituminous coal that burns brightly and yields large quantities of tar and oil upon distillation. [1935 40; named after Boghead, Scotland] * * * … Universalium
boghead coal — /ˈbɒghɛd koʊl/ (say boghed kohl) noun a coal consisting mainly of algal material … Australian English dictionary
coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… … Universalium
coal — n a brown to black combustible sedimentary rock (in the geological sense) composed principally of consolidated and chemically altered plant remains. DISCUSSION Conditions required for formation of coal are believed to include accumulation of… … Coke&Coal Terminology
boghead — noun see boghead coal … Useful english dictionary
Coal type according to appearance — ▪ Table Coal type according to appearance and composition type main components opaque attritus percent banded coal (>5 percent anthraxylon) bright anthraxylon and translucent attritus … Universalium
sapropelic coal — ▪ coal classification hydrogen rich coal, including cannel coal and boghead coal (see torbanite), derived from sapropels (loose deposits of sedimentary rock rich in hydrocarbons) and characterized by a dull black, sometimes waxy lustre.… … Universalium
bog|head coal — bog|head coal, or bog|head «BOG HEHD, BG », noun. a kind of coal used for the manufacture of paraffin and oils: »Boghead coal differs from cannel in being brown and in consisting largely of algal material (Fenton and Fenton). ╂[< Boghead,… … Useful english dictionary
cannel coal — n nonbanded coal in which the liptinite is predominantly sporinite. DISCUSSION Transitions between cannel and boghead, that is, coals containing both types of liptinite, are also known. Microscopic examination is essential for differentiation of… … Coke&Coal Terminology