USGS Home
Contact USGS
Search USGS

Mineral Resources > Online Spatial Data > Geology > by state > Kansas Geology

Geologic units in Reno county, Kansas

[Additional scientific data in this geographic area]

Loess (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 7 % of this area

eolian silts

Lithology: silt

Nippewalla Group (Phanerozoic | Paleozoic | Permian [Custerian Cimarronian]) at surface, covers 2 % of this area

Dog Creek FM- maroon silty shale, siltstone, fine-grained feldspathic sandstone. Blaine FM- (base B) gypsum beds separated by dolomite and red shale. Flower Pot Shale -(base FL) red gypsiferous shale silty shale and minor sandstone and siltstone. Cedar Hills Sandstone- feldspathic sandstone, siltstone, and silty shale. Salt Plain FM- red flaky, silty shale and some siltstone with thick salt beds at base. Harper Sandstone with Kingman Sandstone member (base K)- red argillaceous siltstone and fine silty sandstone with a few beds of res shale and white sandstone. Stone Coral FM- dolomite, anhydrite, gypsum and salt.

Lithology: siltstone; sandstone; shale; evaporite

Ogallala Formation (Phanerozoic | Cenozoic | Tertiary | Miocene) at surface, covers 0.7 % of this area

massive to cross-bedded, generally arkosic sand, silt and gravel, locally cemented with calcium carbonate; also contains limestone, volcanic ash, diatomaceous marl, opaline sandstone and bentonitic clay

Lithology: arkose; limestone; volcanic ash; carbonate; sandstone; claystone

Alluvium (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 20 % of this area

unconsolidated sand, silt, clay, and gravel

Lithology: gravel; sand; silt; clay or mud

Dune Sand (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 30 % of this area

unconsolidated dune sand

Lithology: sand

Alluvium (Phanerozoic | Cenozoic | Quaternary | Pleistocene) at surface, covers 33 % of this area

unconsolidated sand, silt, clay, and gravel

Lithology: gravel; sand; silt; clay or mud

Sumner Group (Phanerozoic | Paleozoic | Permian [Cimarronian]) at surface, covers 7 % of this area

Ninnescah Shale (base N)- mostly red silty shale with some gray shale , argillaceous limestone and dolomite. Wellington FM with Carlton Limestone Member (base CR)-mostly gray and some red shale with minor limestone and dolomite, siltstone, gypsum and anhydrite

Lithology: shale; limestone; siltstone; dolostone (dolomite); evaporite