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Union Valley Formation (with sandstone)

ARDMORE-SHERMAN- Limestone, gray, fine- to medium-grained, IPul, 12 to 25 feet thick; with sandstone, IPus, below, fine- to medium-grained, about 150 to 260 feet thick. Occurs in the ARBUCKLE MTNS
State Oklahoma
Name Union Valley Formation (with sandstone)
Geologic age Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Early
Primary rock type limestone
Secondary rock type sandstone
Other rock types
Lithologic constituents
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
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
Hart, D.L., 1974, Reconnaissance of the water resources of the Ardmore and Sherman quadrangles, southern Oklahoma: Oklahoma Geological Survey, Hydrologic Atlas 3, scale 1:250,000, 4 sheets. (Geology on sheet 1 compiled by D.L. Hart, and R.O. Fay, in 1970.)
Cederstrand, J.R., 1996a, Digital geologic map of Ardmore-Sherman quadrangles, south-central Oklahoma: U.S. Geological Survey Open-File Report 96-370, (3 diskettes), URL address is:
Counties Pontotoc