State | Alabama |
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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 |