Abstract

The petrological and chemical composition of a coal reflects all its inherent characters. Together with the variation in thickness of the coal seams, these aspects have been studied in detail around Salanpur (Raniganj Coalfield), India. The data reveal that any coal seam having its mother material supplied continuously from the same source will show a variation in its composition, the resultant being closely related to the environmental factors of the site of deposition, namely its morphology, including the disposition of its channel axis, and the palaeocurrent direction. Thus, it is suggested that these coal-seam properties may be used just as other sedimentary parameters in interpreting the characteristics of the site of deposition and depositing current.

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