Womble Shale (Middle Ordovician)

Womble Shale (Middle Ordovician)
State Arkansas
Name Womble Shale (Middle Ordovician)
Geologic age Middle Ordovician
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Comments 80% black shale with thin beds of limestone and sandstone. Approximatly 2500 ft. maximum thickness.
References

Ferguson, J.G., 1920. Outlines of the geology, soils, and minerals of the State of Arkansas: Arkansas State Bureau of Mines, Manufactures and Agriculture,192 pp.

Stone, C.G. and Bush, W.V. 1982, Summary of the geology of the eastern Ouachita Mountains, Arkansas: Guidebook - Arkansas Geological Commission, vol.82-2, 24 pp.

NGMDB product
Counties Garland - Hot Spring - Montgomery - Polk - Pulaski - Saline