Bromide + Tulip Creek and McLish Formations

ARDMORE-SHERMAN- Limestone, buff; shale, grayish-green; and sandstone, brown to white, fine- to medium-grained: approximate sequence of rocks in each formation, from top to bottom. Thickness, 750 to 1,400 feet, thinning eastward. (Simpson Group) Occurs in the ARBUCKLE MTNS.
State Oklahoma
Name Bromide + Tulip Creek and McLish Formations
Geologic age Middle Ordovician
Lithologic constituents
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
NGMDB product
Counties Atoka - Carter - Coal - Johnston - Love - Murray - Pontotoc