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Specific and systematic description of coal beds should be attempted as a preliminary aid, in advance of or coordinated with laboratory testing. Distribution of the most readily differentiated coal components (megascopic fusain and thicker bands of vitrain) might appropriately be singled out for training in coal description to develop essential insight and expertise. Standardized description of other coal lithologies, including thinner bands of vitrain and the attrital varieties of coal, is more difficult and less precision can be expected. An initial study utilizing field description will materially aid in other studies, leading to effective mining development. It may be most important to consider geologically the inherent lateral variability in coal beds.
coal, coal description, field description, megascopic fusain profiles, vitrain, profile method, luster, texture, attrital coal, partings, layer subdivision, fusain
Professor, The Ohio State University, Columbus, Ohio