State | Alabama |
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Name | Talladega Group; Lay Dam Formation, unnamed diamictite facies |
Geologic age | Silurian?-Devonian |
Lithologic constituents |
Major
Sedimentary > Clastic > Conglomeratecobbles and boulders of carbonate, pelitic rocks, quartzite, chert, felsic plutonic rocks, and gneiss in a metagraywacke matrix
Metamorphic > Metasedimentary > Metaclastic > Metasandstone > Metagraywackemetagraywacke matrix
Incidental
Metamorphic > Metasedimentary > Metaclastic > Quartzitecobbles and boulders of carbonate, pelitic rocks, quartzite, chert, felsic plutonic rocks, and gneiss in a metagraywacke matrix
Igneous > Plutoniccobbles and boulders of carbonate, pelitic rocks, quartzite, chert, felsic plutonic rocks, and gneiss in a metagraywacke matrix
Sedimentary > Carbonatecobbles and boulders of carbonate, pelitic rocks, quartzite, chert, felsic plutonic rocks, and gneiss in a metagraywacke matrix
Sedimentary > Chemical > Chertcobbles and boulders of carbonate, pelitic rocks, quartzite, chert, felsic plutonic rocks, and gneiss in a metagraywacke matrix
Metamorphic > Gneisscobbles and boulders of carbonate, pelitic rocks, quartzite, chert, felsic plutonic rocks, and gneiss in a metagraywacke matrix
|
Comments | Printed map has units 'tld' and 'tldd' in one description, split them up here. |
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 |