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Tuscaloosa Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Upper Cretaceous
 .....Tuscaloosa Formation
RTSouth Carolina
 Louisiana
 Mississippi
 Alabama
 North Carolina
 Georgia
 Tennessee
SNIrregularly or obscurely bedded quartzitic and micaceous sands interbedded with heterogeneous clays. Also lenticular pebble beds. Atlantic Coastal Plain from W Tennessee, NE Mississippi, N Louisiana and NW Alabama, across Alabama, Georgia, South Carolina,