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Silurian Frenchville Formation

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Silurian Frenchville Formation
State Maine
Name Silurian Frenchville Formation
Geologic age Silurian
Lithologic constituents
Major
Sedimentary > Clastic > SandstoneW - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith H - Lithic sandstone and conglomerate
Sedimentary > Clastic > ConglomerateW - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith H - Lithic sandstone and conglomerate
Comments W - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith A - Pelite
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.

Boucot, A.J., Field, M.T., Fletcher, R., Forbes, W.H., Naylor, R.S., and Pavlides, L., 1964, Reconnaissance bedrock geology of the Presque Isle quadrangle, Maine: Maine Geol. Surv., Bull. 15, 117 p.

Roy, D.C., and Mencher, E., 1976, Ordovician and Silurian stratigraphy of northeastern Aroostook County, Maine: Geol. Soc. Amer., Memoir 148, p. 25-52.
NGMDB product
Counties Aroostook