Devonian unnamed mafic volcanic rocks

Devonian unnamed mafic volcanic rocks
State Maine
Name Devonian unnamed mafic volcanic rocks
Geologic age Devonian
Lithologic constituents
Major
Igneous > Volcanic > Mafic-volcanicGS - Greenschist facies; Protolith V - Basaltic volcanic rocks
Comments W - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith Q - Interbedded pelite and sandstone
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.

NGMDB product
Counties Somerset