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Devonian granite-quartz diorite

Devonian granite-quartz diorite: biotite granite, biotite granodiorite, biotite tonalite, biotite quartz syenite, biotite quartz monzodiorite, and biotite quartz diorite.
StateMaine
NameDevonian granite-quartz diorite
Geologic ageDevonian
Original map labelD1-6
CommentsU - Unmetamorphosed
Primary rock typegranite
Secondary rock typegranodiorite
Other rock typestonalite; quartz syenite; quartz monzodiorite; quartz diorite
Lithologic constituents
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.
Geographic coverageFranklin - Somerset

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