Talladega Group; Jemison Chert and Chulafinnee Schist undifferentiated

Grayish-white to yellowish-orange massive, thick-bedded, fine-grained, locally argillaceous, locally fossiliferous metachert and light to dark-greenish-gray fine to medium-grained fissile quartz-sericite-chlorite phyllite and schist which locally includes thin chlorite phyllite and quartzose phyllite beds.
State Alabama
Name Talladega Group; Jemison Chert and Chulafinnee Schist undifferentiated
Geologic age Silurian?-Devonian
Lithologic constituents
Major
Metamorphic > Schistlight to dark-greenish-gray fine to medium-grained fissile quartz-sericite-chlorite phyllite and schist
Minor
Metamorphic > Metasedimentarylocally argillaceous, locally fossiliferous metachert
Metamorphic > Metasedimentary > Metaclastic > Phyllitelight to dark-greenish-gray fine to medium-grained fissile quartz-sericite-chlorite phyllite and schist which locally includes thin chlorite phyllite and quartzose phyllite beds.
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 Chilton - Clay - Cleburne - Coosa - Talladega