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Pleasanton Group

Includes: Shale Hill FM (base SH), and Hepler FM. Chiefly gray to very dark gray or yellowish gray shale with sandstone members and some limestone and coal.
State Kansas
Name Pleasanton Group
Geologic age Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Middle [Missourian]
Comments Total approximate thickness ranging from 30 ft. to 135 ft. in outcrop.
Primary rock type shale
Secondary rock type sandstone
Other rock types limestone; coal
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
Incidental
Sedimentary > Coal (Bed)
Map references
Ross, J. A., 1991, Geologic Map of Kansas: Kansas Geological Survey, Univ. of Kansas Map M-23 Scale 1:500K.
Unit references
Ross, J. A., 1991, Geologic Map of Kansas: Kansas Geological Survey, Univ. of Kansas Map M-23 Scale 1:500K.
Zeller, D.E., ed., 1968, The Stratigraphic Succession in Kansas, State Geological Survey of Kansas Bull. 189.
Counties Allen - Bourbon - Crawford - Labette - Linn - Miami - Montgomery - Neosho