Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member) (ARMpfb;0)

State	Arkansas
Name	Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member)
Geologic age	Phanerozoic \| Paleozoic \| Carboniferous Mississippian-Late [Chesterian]
Original map label	Mpfb
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
Primary rock type	sandstone
Secondary rock type	shale
Other rock types	limestone
Lithologic constituents	Major Sedimentary > Carbonate > Limestone (Bed) Sedimentary > Clastic > Mudstone > Shale (Bed)Some black shale Sedimentary > Clastic > Sandstone (Bed)
Map references	Haley, B. R., Glick, E. E., Bush, W. V.; Clardy, B. F.; Stone, C. G.; Woodward, M. B., Zachry, D.L., 1993, Geologic Map of Arkansas: U.S.Geological Survey Special Geologic Map. Scale 1:500K
Unit 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. 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.
Geographic coverage	Baxter - Benton - Boone - Carroll - Crawford - Independence - Jackson - Madison - Newton - Searcy - Stone - Van Buren - Washington