stone coal


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stone coal

[′stōn ‚kōl]
(mineralogy)
References in periodicals archive ?
The China Stone Coal project involves the construction and operation of a greenfield open-pit and underground thermal coal mine within a 20,000ha mining lease area.
The products covered by the contract will be assembled in the bodies combine cutting drums and stone coal in underground mines, where there may be risk of dust explosion.
An open tender Supply of high-quality stone coal of DR (GOST 25543-88) for the technological needs of "VANGUARD"