Silurian Rocky Mountain Quartz Latite

Silurian Rocky Mountain Quartz Latite
State Maine
Name Silurian Rocky Mountain Quartz Latite
Geologic age Silurian
Lithologic constituents
Major
Igneous > Volcanic > Felsic-volcanic > Quartz-latiteW - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith T - Rhyolitic volcanic rocks
Comments GS - Greenschist facies; Protolith X - Undetermined volcanic rocks
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