Sequatchie Formation (ALOs;3)

Sequatchie Formation

Grayish-red, grayish-green, and yellowish-gray thin-bedded calcareous shale and calcareous mudstone containing interbedded fossiliferous limestone, and medium-gray to moderate-red partly sandy and glauconitic, medium to coarse-grained bioclastic limestone. In Jackson County, includes the Leipers Limestone and Inman Formation.

State	Alabama
Name	Sequatchie Formation
Geologic age	Ordovician
Lithologic constituents	Major Sedimentary > Carbonate > Limestone (Bed)fossiliferous limestone and medium-gray to moderate-red partly sandy and glauconitic, medium to coarse-grained bioclastic limestone. In Jackson County, includes the Leipers Limestone and Inman Formation. Sedimentary > Clastic > Mudstone > Shale (Calcareous) Minor Sedimentary > Clastic > Mudstone (Calcareous)
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 - Etowah - Jackson - Jefferson - Marshall

Sequatchie 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.