Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Maine
|Original map label||D3|
|Comments||U - Unmetamorphosed|
|Primary rock type||tonalite|
|Secondary rock type|
|Other rock types|
Igneous > Plutonic > Granitic > Tonalitebiotite tonalite U - Unmetamorphosed
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.
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.
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