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Ordovician - Precambrian Z Cushing Formation limestone

Ordovician - Precambrian Z Cushing Formation limestone
State Maine
Name Ordovician - Precambrian Z Cushing Formation limestone
Geologic age Ordovician - Precambrian Z
Comments AB - Medium rank amphibolite facies AC - High rank amphibolite facies Protolith N - Limestone and/or dolostone
Primary rock type limestone
Secondary rock type
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > LimestoneAB - Medium rank amphibolite facies AC - High rank amphibolite facies Protolith N - Limestone and/or dolostone
Map references
Digital bedrock data downloaded from Maine Office of GIS in September 2005 from http://apollo.ogis.state.me.us/catalog/catalog.asp?state=2&extent=cover#bedrock Bedrock units table (publication date 11/15/2002) downloaded from same site. Permission to redistribute these data granted by Dr. Robert Marvinney, State Geologist of Maine, in September 2006.
Unit references
Osberg, P. H., Hussey, A.M., and Boone, G. M., 1985, Bedrock geologic map of Maine: Maine Geological Survey, Dept. of Conserv., scale 1:500,000.
Counties Cumberland - Sagadahoc - Waldo