Devonian Edmunds Hill Andesite

Devonian Edmunds Hill Andesite
State Maine
Name Devonian Edmunds Hill Andesite
Geologic age Devonian
Lithologic constituents
Major
Igneous > Volcanic > Mafic-volcanic > AndesiteW - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith U - Andesitic volcanic rocks
Comments GS - Greenschist facies; Protolith V - Basaltic volcanic rocks
Stratigraphic units Dockendorff Group
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 Aroostook