Petrographic characterization of Kentucky coals. Final report. Part II. Depositional settings of the coal bearing, upper Tradewater Formation in western Kentucky with emphasis on the Mannington (No. 4) coal zone

Technical Report · Sat Jan 01 00:00:00 EST 1983

OSTI ID:5457437

Baynard, D N; Hower, J C

Depositional settings were determined in the coal bearing, Middle Pennsylvanian, upper Tradewater Formation in western Kentucky with emphasis on the Mannington (No. 4) coal zone. The coals have been analyzed for maceral contents, lithotypes, dry sulfur/ash percentages, vitrinite reflectance values, pyrite/marcasite contents, and associated lithologies at different vertical and lateral scales. This study concludes that: (1) the thin coarsening - or fining upward sequences, under the Mannington (No. 4) coal zone are possibly shallow bayfill and channel-fill deposits that provided an environment that has slight differences in topography, (2) rapid vertical and lateral change in total vitrinite, dry sulfur/ash percentages and lithotypes at different scales in the Mannington (No. 4) coal zone are indicative of wideranging Eh and pH values and possibly result from slight changes in paleotopography, and (3) the Davis (No. 6) coal was deposited after a period of thick coarsening - or fining upward sequences, possibly providing a relatively flat-stable surface for peat development. The consistent total vitrinite, dry sulfur/ash values, and thickness trends indicate a more restricted environment (pH and Eh) in the Davis (No. 6) swamp. 41 references, 25 figures, 3 tables.

• Research Organization: Kentucky Univ., Lexington (USA)
• DOE Contract Number: FG22-80PC30223
• OSTI ID: 5457437
• Report Number(s): DOE/PC/30223-10; ON: DE84004897
• Resource Relation: Other Information: Portions are illegible in microfiche products. Original copy available until stock is exhausted
• Country of Publication: United States
• Language: English

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SULFUR CONTENT
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