Geologic units in Labette county, Kansas

Marmaton Group (Early Pennsylvanian- Desmoinesian) at surface, covers 56 % of this area

Includes: Lost Branch FM, Memorial Shale, Lenapah Limestone (base LE), Nowata Shale, Altamont Limestone (base PA), Bandera Shale, Pawnee Limestone (base PA), Labette Shale and Fort Scott Limestone.

Kansas City Group (Middle Pennsylvanian- Missourian) at surface, covers 20 % of this area

Includes: Lane Shale,Wyandotte Limestone (base WY), Liberty Memorial Shale, Iola Limestone (base I), Chanute Shale (base CH), Dewey Limestone, Nellie Bly FM, Cherryvale FM, Dennis Limestone (base DN), Galeburg Shale, Mound Valley Limestone, Ladore Shale, Swope Limestone (base SW), Elm Branch Shale, Hertha Limestone.

Alluvium (Holocene to Pleistocene) at surface, covers 13 % of this area

unconsolidated sand, silt, clay, and gravel

Cherokee Group (Early Pennsylvanian- Desmoinesian) at surface, covers 7 % of this area

Includes: Cabaniss FM (base CA) with Verdigris Limestone Member (base V) and Mineral coal bed (base MC), Krebs FM with Bluejacket Sandstone Member (base BJ) and Warner Sandstone Member (base WR).

Pleasanton Group (Middle Pennsylvanian- Missourian) at surface, covers 4 % of this area

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.

Alluvium (Tertiary) at surface, covers < 0.1 % of this area

largely chert gravel

Senora Formation (Middle Pennsylvanian) at surface, covers < 0.1 % of this area

TULSA- Shale with thin and lenticular sandstone, minor limestone, and coal. OKLAHOMA CITY- Mainly fine-grained micaceous sandstone and shale locally containing coal beds. Thickness ranges from about 500 to 950 feet. FORT SMITH- Shale, sandstone, and thin coal seams. ARDMORE-SHERMAN- Shale, gray, and light-brown medium-grained sandstone; thickness, 150 to 500 feet, decreasing southwestward. Subdivided into lower sandstone, 350 feet thick, and upper shale, 150 feet thick.

Fort Scott Limestone (Middle Pennsylvanian) at surface, covers < 0.1 % of this area

TULSA- Limestone and shale. (Mapped with the Labette Formation south of Bird Creek inTulsa County).