Nichols Formation

Massive to laminated greenish-gray and black micaceous mudstone containing minor interbeds of siltstone and very fine-grained sandstone.
State Alabama
Name Nichols Formation
Geologic age Cambrian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstonemassive to laminated greenish-gray and black micaceous mudstone
Minor
Sedimentary > Clastic > Sandstone (Bed)very fine-grained sandstone
Sedimentary > Clastic > Siltstone (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
Counties Calhoun - Cherokee - Cleburne