Skip to main content

Silurian - Ordovician unnamed conglomerate

Silurian - Ordovician unnamed conglomerate
State Maine
Name Silurian - Ordovician unnamed conglomerate
Geologic age Silurian - Ordovician
Comments W - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite Protolith I - Conglomerate
Primary rock type conglomerate
Secondary rock type
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > ConglomerateW - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite Protolith I - Conglomerate
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.
Neuman, R.B., 1967, Bedrock geology of the Shin Pond and Stacyville quadrangles, Penobscot County, Maine, IN Shorter contributions to general geology, 1965: U.S. Geological Survey Professional Paper, 524-I, p. I1-I39.
Counties Penobscot