bright coal
bright coal
[′brīt ‚kōl] (geology)
A jet-black, pitchlike type of banded coal that is more compact than dull coal and breaks with a shell-shaped fracture; microscopic examination shows a consistency of more than 5% anthraxyllon and less than 20% opaque matter. Also known as bright-banded coal; brights.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
It Is a qualified privilege, the ALJ noted, that is subject to the balancing test in
Bright Coal Co., 6 FMSHRC 2520 (Nov.
it wasn't: A
bright coal first, orange, strange, sufficient.
The 19B-1 well intersected 18 metres of net coal with 12 metres of multi seam
bright coals having up to 100% gas saturations.
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