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 Late Cambrian
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
References
NGMDB product
Counties Atoka - Carter - Johnston - Murray