Pennington Formation (ALMp;3)

Pennington Formation

Medium-gray shale, containing interbedded limestone, dolomite, argillaceous sandstone, dusky-red and grayish-olive mudstone, and minor shaly coal. Mainly restricted to northeastern AL and part of the Sequatchie anticline. Where less than 100 feet thick the formation is included in the Bangor Limestone.

State	Alabama
Name	Pennington Formation
Geologic age	Mississippian
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Shale (Bed) Minor Sedimentary > Clastic > Mudstone (Bed) Sedimentary > Carbonate > Limestone (Bed) Sedimentary > Clastic > Sandstone (Bed)argillaceous sandstone Sedimentary > Carbonate > Dolostone (Bed) Incidental Sedimentary > Coal (Bed)
References	Szabo, M.W., Osborne, E.W., Copeland, C.W. Jr., and Neathery, T.L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.
NGMDB product	NGMDB product page for 55859
Counties	Blount - DeKalb - Jackson - Madison - Marshall

Pennington Formation

Szabo, M.W., Osborne, E.W., Copeland, C.W. Jr., and Neathery, T.L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.