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Talladega Group; Lay Dam Formation, unnamed diamictite facies

Talladega Group; Lay Dam Formation, unnamed diamictite facies - Unnamed diamictite facies of Lay Day Formation in Coosa and Chilton Counties consists of cobbles and boulders of carbonate, pelitic rocks, quartzite, chert, felsic plutonic rocks, and gneiss in a metagraywacke matrix.
StateAlabama
NameTalladega Group; Lay Dam Formation, unnamed diamictite facies
Geologic ageSilurian?-Devonian
Original map labeltldd
CommentsPrinted map has units 'tld' and 'tldd' in one description, split them up here.
Primary rock typeconglomerate
Secondary rock typecarbonate
Other rock typesmudstone; quartzite; chert; plutonic rock (phaneritic); gneiss; metasedimentary rock
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Metasandstone > Metagraywackemetagraywacke matrix
Sedimentary > Clastic > Conglomeratecobbles and boulders of carbonate, pelitic rocks, quartzite, chert, felsic plutonic rocks, and gneiss in a metagraywacke matrix
Incidental
Metamorphic > Gneisscobbles 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 > Chemical > Chertcobbles and boulders of carbonate, pelitic rocks, quartzite, chert, felsic plutonic rocks, and gneiss in a metagraywacke matrix
Metamorphic > Metasedimentary > Metaclastic > Quartzitecobbles 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
Map references
Szabo, M. W., Osborne, E. W., Copeland, C. W. Jr., Neathery; T. L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.
Unit references
Szabo, M. W., Osborne, E. W., Copeland, C. W. Jr., Neathery; T. L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.
Geographic coverageChilton - Coosa

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