Silurian gabbro/diorite/ultramafic rocks

Silurian gabbro/diorite/ultramafic rocks
State Maine
Name Silurian gabbro/diorite/ultramafic rocks
Geologic age Silurian
Lithologic constituents
Major
Igneous > Plutonic > Dioritic > DioriteU - Unmetamorphosed
Igneous > Plutonic > Gabbroic > GabbroU - Unmetamorphosed
Igneous > Plutonic > UltramaficU - Unmetamorphosed
Comments GS - Greenschist facies; Protolith T - rhyolitic volcanic rocks
Stratigraphic units includes: 88 - Cutler pluton.
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 - Washington