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Petrography of the Paradise (No. 12), Baker (No. 13) and Coiltown (No. 14) coals of the Lower portion of the Sturgis Formation (Pennsylvanian) in Western Kentucky

Journal Article · · Geol. Soc. Am., Bull.; (United States)
Coal rank (based on vitrinite reflectance) and maceral composition were determined for 50 channel and borehole samples of the Paradise (No. 12), Baker (No. 13), and Coiltown (No. 14) coals in the Western Kentucky coalfield. Coal rank trends vary across structural provinces in a similar predictable manner. Coals in the Moorman syncline in the southeast are predominantly of high-volatile C bituminous rank but approach high-volatile B bituminous rank within the Pennyrile and Central fault systems that border the syncline. Westward, across the Central faults, rank of coals is high-volatile B bituminous in the Webster syncline but increases to high-volatile A bituminous northward, within the Rough Creek fault system. Comparison of the coals with stratigraphically lower coals in the Pennsylvanian of western Kentucky indicates that rank trends and maceral composition continue to be predictable, not only across the Western Kentucky coalfield, but also within a large portion of the Pennsylvanian.
OSTI ID:
6659208
Journal Information:
Geol. Soc. Am., Bull.; (United States), Journal Name: Geol. Soc. Am., Bull.; (United States) Vol. 94:12; ISSN BUGMA
Country of Publication:
United States
Language:
English