- ASTM StandardD4596 Practice for Collection of Channel Samples of Coal in a Mine
ASTM D121-09a Standard Terminology of Coal and Coke. 2014.
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lithotype — n 1) (1) Rock form defined on the basis of certain selected physical characteristics. (2) One of the four macroscopically recognized constituents of banded coal: vitrain, clarain, durain and fusain. D4596 2) any of the constituents of banded coal … Coke&Coal Terminology