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Trenton Limestone

Trenton Limestone - Dolomite in northwestern Indiana,
State Indiana
Name Trenton Limestone
Geologic age Ordovician
Comments shown in cross-section only
Primary rock type dolostone (dolomite)
Secondary rock type
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > DolostoneTrenton Limestone dolomite in northwestern Indiana shown in cross-section only
Map references
Gray, Henry H., Ault, Curtis, H., and Keller, Stanley, J., 1987, Bedrock geologic map of Indiana: Dept. of Natural Resources, Indiana Geological Survey, Miscellaneous Map 48, scale = 1:500,000
Unit references
Gray, Henry H., Ault, Curtis, H., and Keller, Stanley, J., 1987, Bedrock geologic map of Indiana: Dept. of Natural Resources, Indiana Geological Survey, Miscellaneous Map 48, scale = 1:500,000