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Sylacauga Marble Group; Jumbo Dolomite

Jumbo Dolomite - light to medium-gray thin to thick-bedded dolomite marble; contains intraclast-bearing dolomite, locally sandy in middle part.
StateAlabama
NameSylacauga Marble Group; Jumbo Dolomite
Geologic ageCambrian?-Ordovician?
Original map labelsj
Primary rock typemarble
Secondary rock typedolostone (dolomite)
Other rock typessand
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metacarbonate > Marblelight to medium-gray thin to thick-bedded dolomite marble
Minor
Unconsolidated > Coarse-detrital > Sandlocally sandy in middle part
Sedimentary > Carbonate > Dolostonecontains intraclast-bearing dolomite
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 - Talladega

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