Kahatchee Mountain Group; Brewer Phyllite

Dusky-red micaceous slate and phyllite, locally containing interbedded micaceous arkosic quartzite and metasiltstone; locally at the base is interbedded calcite and dolomite marble.
State Alabama
Name Kahatchee Mountain Group; Brewer Phyllite
Geologic age Precambrian?-Cambrian?
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Slatedusky-red micaceous slate
Metamorphic > Metasedimentary > Metaclastic > Phyllitedusky-red micaceous slate and phyllite
Minor
Metamorphic > Metasedimentary > Metaclastic > Quartzitelocally containing interbedded micaceous arkosic quartzite
Metamorphic > Metasedimentary > Metaclastic > Metasiltstonelocally containing interbedded micaceous arkosic quartzite and metasiltstone
Incidental
Metamorphic > Metasedimentary > Metacarbonate > Marblelocally at the base is interbedded calcite and dolomite marble.
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 - Coosa - Shelby