Jurassic granite

Jurassic granite - Jurassic biotite granite undivided
State Maine
Name Jurassic granite
Geologic age Jurassic
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Granitebiotite granite undivided; U - Unmetamorphosed
Comments GS - Greenschist facies; Protolith V - Basaltic volcanic rocks
Stratigraphic units includes: 50 - Whales Back pluton (ME104).
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.

Foland, K.A., and Faul, H., 1977, Ages of the White Mountain intrusives, New Hampshire, Vermont, and Maine: Am. Jour. Sci., v. 277, p. 888-904.

NGMDB product
Counties Oxford