|Name||Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member)|
|Geologic age||Late Mississippian- Chesterian|
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)Some black shale
Sedimentary > Carbonate > Limestone (Bed)
|Comments||Pitkin Limestone: 100% limestone, approx. 100ft. thick; Fayetteville Shale: (including the Wedington Sandstone member) black shale with interbedded sandstone and minor limestone approx. 200ft. thick; Batesville Sandstone: (including the Hindsville Limestone Member) sandstone with some interbedded shale and limestone, approx. 200ft. thick|
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.
Brewster, E.B. and Williams, N.F., 1951, Guide book to the Paleozoic rocks of northwest Arkansas [18th annual field trip, November 2-3, 1951]. iv 19 pp.
|Counties||Baxter - Benton - Boone - Carroll - Crawford - Independence - Jackson - Madison - Newton - Searcy - Stone - Van Buren - Washington|