- coal ball
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A nodule of plant material permeated with minerals found mostly in bituminous and anthracite coal seams
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coal ball
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Coal ball — A … Wikipedia
coal ball — a spherical mass of mineral and plant material embedded in coal beds, ranging in size from that of a pea to that of a boulder. [1735 45] * * * ▪ paleontology a lump of petrified plant matter, frequently spheroid, found in coal seams of the… … Universalium
coal ball — noun : a nodule found in coal usually composed of calcite or silica and carbonaceous matter and having fragmentary or microscopic plant remains * * * a spherical mass of mineral and plant material embedded in coal beds, ranging in size from that… … Useful english dictionary
Ball State University — Motto Education Redefined Established 1918 (details) Type Public coeducational Endowment … Wikipedia
Coal-water slurry fuel — (CWSF or CWS or CWF) is a fuel which consists of fine coal particles suspended in water. Presence of water in CWS reduces harmful emissions into the atmosphere, makes the coal explosion proof, makes use of coal equivalent to use of liquid fuel (e … Wikipedia
Coal Aston — Coordinates: 53°18′43″N 1°27′29″W / 53.312°N 1.458°W / 53.312; 1.458 … Wikipedia
Michael Ball (singer) — For other people named Michael Ball, see Michael Ball (disambiguation). Michael Ball photograph October 2006 Background information Birth name Michael … Wikipedia
Allan Ball — For people with similar names, see Alan Ball. Allan Ball, born at Hetton le Hole in County Durham, is a former footballer with Scottish Football League team Queen of the South of Dumfries who made a record 819 appearances for Queens. He is now an … Wikipedia
Valentine Ball — (CB) (* 14. Juli 1843 in Dublin; † 15. Juni 1895 ebenda) war ein irischer Geologe, Zoologe und Museumsdirektor. Valentine Ball Inhaltsverzeichnis … Deutsch Wikipedia
Valentine Ball — (July 14, 1843 ndash; June 15, 1894) was an Irish geologist, and a brother of Sir Robert Ball.Ball joined the Geological Survey of India, becoming an authority not only on geology but also on ornithology and anthropology. His best known work is… … Wikipedia
