|Geologic age||Early Pennsylvanian- Morrowan|
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
|Comments||Sandstone with interbedded shale, some as olistolithic intervals. Approximatly 6000 ft. maximum thickness.|
Moore, R.C., 1934, The origin and age of the boulder-bearing Johns Valley shale in the Ouachita Mountains of Arkansas and Oklahoma: American Journal of Science, vol.27, no.162, pp.432-453
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.
|Counties||Clark - Faulkner - Garland - Hot Spring - Howard - Montgomery - Perry - Pike - Polk - Pulaski - Saline - Scott - Sevier - Yell|