- finely banded coal
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тонкополосчатый уголь
English-Russian dictionary of geology. 2011.
finely banded coal
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attrital coal — n the ground mass or matrix of banded coal in which vitrain and, commonly, fusain layers as well, are embedded or enclosed. DISCUSSION Layers in banded coal, often referred to as bands, are commonly 1 to 30 mm thick. Attrital coal in banded coal… … Coke&Coal Terminology
nonbanded coal — n consistently fine granular coal essentially devoid of megascopic layers. DISCUSSION Nonbanded coal may be interbedded with common banded coal, or form a discrete layer at the top or at the bottom of the seam, or may compose the entire seam. It… … Coke&Coal Terminology
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