Devonian Eastport Formation, basalt member

Devonian Eastport Formation basalt member
State Maine
Name Devonian Eastport Formation, basalt member
Geologic age Devonian
Lithologic constituents
Igneous > Volcanic > Mafic-volcanic > BasaltGS - Greenschist facies; Protolith V - Basaltic volcanic rocks
Comments GS - Greenschist facies; E - Epidote-amphibolite facies; Protolith Q - Interbedded pelite and sandstone

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 Washington