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Devonian granodiorite (hornblende accessory mineral, porphyritic texture)

Devonian granodiorite (hornblende accessory mineral, porphyritic texture) - porphyritic hornblende-biotite granodiorite
StateMaine
NameDevonian granodiorite (hornblende accessory mineral, porphyritic texture)
Geologic ageDevonian
Original map labelD2(h,x)
CommentsU - Unmetamorphosed
Primary rock typegranodiorite
Secondary rock type
Other rock types
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Granodioriteporphyritic hornblende-biotite granodiorite U - Unmetamorphosed
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.
Fairbairn, H.W., pers. communication, in Boone, G.M., 1962.
Geographic coverageAroostook

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