Devonian granodiorite (hornblende accessory mineral, porphyritic texture)

Porphyritic hornblende-biotite granodiorite
State Maine
Name Devonian granodiorite (hornblende accessory mineral, porphyritic texture)
Geologic age Devonian
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Granodioriteporphyritic hornblende-biotite granodiorite; U - Unmetamorphosed
Comments U - Unmetamorphosed
Stratigraphic units includes: 1 - Deboullie pluton (ME077)
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.

NGMDB product
Counties Aroostook