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Mineral Resources > Online Spatial Data > Geology > by state > Alabama

Brierfield Dolomite

Brierfield Dolomite - medium to dark-bluish-gray thick-bedded siliceous dolomite; characterized by locally abundant chert with irregular cavities.
StateAlabama
NameBrierfield Dolomite
Geologic ageCambrian
Original map labelCbf
Primary rock typedolostone (dolomite)
Secondary rock typechert
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)
Minor
Sedimentary > Chemical > Chert (Bed)characterized by locally abundant chert containing irregular cavities.
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 coverageBibb - Chilton - Shelby

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=ALCAbf;6
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