Devonian Seboomook Formation, unnamed mafic greenstone

Devonian Seboomook Formation unnamed mafic greenstone
State Maine
Name Devonian Seboomook Formation, unnamed mafic greenstone
Geologic age Silurian-Devonian
Lithologic constituents
Major
Metamorphic > Metaigneous > Greenstone (Zeolitic (prehnite-pumpellyite))W - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith V - Basaltic volcanic rocks
Comments W - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith F - Quartz 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 Piscataquis