Devonian quartz monzodiorite - quartz diorite (pyroxene plus hornblende accessory mineral)

Devonian pyroxene-hornblende quartz monzodiorite and quartz diorite - pyroxene-hornblende-biotite quartz monzodiorite, and pyroxene-hornblende-biotite quartz diorite
State Maine
Name Devonian quartz monzodiorite - quartz diorite (pyroxene plus hornblende accessory mineral)
Geologic age Devonian
Lithologic constituents
Major
Igneous > Plutonic > Dioritic > Quartz-monzodioritepyroxene-hornblende-biotite quartz monzodiorite; U - Unmetamorphosed
Igneous > Plutonic > Dioritic > Quartz-dioritepyroxene-hornblende-biotite quartz diorite; U - Unmetamorphosed
Comments U - Unmetamorphosed
Stratigraphic units includes: 41 - Umbagog pluton (ME097).
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.

Aleinikoff, J., 1984, Carboniferous U-Pb age for the Sebago batholith, southwestern Maine: Geol. Soc. Amer., Abs. with Prog., v. 16, p. 1.

NGMDB product
Counties Oxford