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Riverton Isopach Map

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Isopach mapping of the Riverton coal reveals a coal that stays fairly consistent in thickness over an average distance of 5 miles (8 km). Thickness of the Riverton coal ranges from 0 to 4.5 feet with an average of 1.8 feet and a normal distribution (0 to 1.4 m, average of 0.5 m). The Riverton coal locally appears to thicken into the Mississippian lows and thin onto the highs. The Riverton coal exhibits a lenticular geometry that has an irregular distribution and is consistently thicker in Montgomery, Labette, and Neosho counties, while its thins to the west and east in the study area.

color isopach map of Riverton coal overlain by Mississippian contours

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Kansas Geological Survey, Petroleum Research
Updated Sept. 18, 2003
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