Pleistocene and Pliocene deposits, undifferentiated (OKToa;0)

TEXAS- Interfingering beds, tongues, and lenses of sand, silt, clay, gravel, sandstone, caliche, limestone, conglomerate, and volcanic ash. Includes Ogallala and Laverne Formations of Pliocene age and younger deposits of Pleistocene age. Locally the units are tightly cemented by calcium carbonate; other places, they are very poorly consolidated and nearly free of cementing materials. Thickness ranges from 0 to about 800 feet.

State	Oklahoma
Name	Pleistocene and Pliocene deposits, undifferentiated
Geologic age	Phanerozoic \| Cenozoic \| Tertiary Quaternary \| Pliocene Pleistocene
Original map label	Toa
Primary rock type	sand
Secondary rock type	silt
Other rock types	clay or mud; gravel; sandstone; limestone; conglomerate; volcanic ash
Lithologic constituents	Major Sedimentary > Clastic > Conglomerate (Bed) Sedimentary > Carbonate > Limestone (Bed) Sedimentary > Clastic > Sandstone (Bed) Unconsolidated > Coarse-detrital > Gravel (Bed) Unconsolidated > Fine-detrital > Clay (Bed) Unconsolidated > Coarse-detrital > Silt (Bed) Unconsolidated > Coarse-detrital > Sand (Bed)
Map references	Heran, W. D., Green, G. and Stoeser, D. B., 2003, A Digital Geologic Map Database of Oklahoma: U. S. G. S. Open File Report 03-247
Unit references	Heran, W. D., Green, G. and Stoeser, D. B., 2003, A Digital Geologic Map Database of Oklahoma: U. S. G. S. Open File Report 03-247 Wood, P.R. and Hart, D.L. Jr, 1967, Availability of ground water in Texas County, Oklahoma: U.S. Geological Survey Hydrologic Investigations Atlas HA-250, scale 1:125,000, 3 sheets. (Geology on sheet 1 compiled by S.L. Schoff, 1939 and 1953.) [http://pubs.er.usgs.gov/publication/ha250] Cederstrand, J.R., 1996j, Digital geologic map of Texas County, Oklahoma: U.S. Geological Survey Open-File Report 96-379, (1 diskette), URL address is: http://ok.water.usgs.gov/gis/geology [http://ok.water.usgs.gov/gis/geology/texas.html] [http://ok.water.usgs.gov/gis/geology]
Geographic coverage	Cimarron - Texas