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Butterfly Dolomite + Signal Mountain Limestone + Royer Dolomite and Fort Sill Limestone

ARDMORE-SHERMAN- Limestone, gray, fine-grained, gradational eastward into tan to pink fine- to coarse-grained dolomites; thickness, 570 to 1,600 feet, decreasing eastward. (Arbuckle Group) Occurs in the ARBUCKLE MTNS
State Oklahoma
Name Butterfly Dolomite + Signal Mountain Limestone + Royer Dolomite and Fort Sill Limestone
Geologic age Phanerozoic | Paleozoic | Cambrian-Furongian
Primary rock type limestone
Secondary rock type dolostone (dolomite)
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Carbonate > Dolostone (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
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: http://ok.water.usgs.gov/gis/geology
Counties Atoka - Carter - Johnston - Murray