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Fitch and Clough Formations, undivided

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Fitch and Clough Formations, undivided.
State New Hampshire
Name Fitch and Clough Formations, undivided
Geologic age Silurian
Lithologic constituents
Major
Metamorphic > Schist > Mica-schist > Muscovite-schistmuscovite schist, dark pelitic schist
Metamorphic > Metasedimentaryquartz metaconglomerate; minor polymictic metaconglomerate, metamorphosed limestone
Metamorphic > Metasedimentary > Metaclastic > Quartziteorthoquartzite
Minor
Sedimentary > Clastic > Sandstone (Calcareous)
Sedimentary > Clastic > Siltstone
Comments Part of the Central Maine Composite Terrane (Central Maine Trough) - Variably metamorphosed sedimentary and volcanic rocks of greenschist to granulite facies, locally migmatized. Area includes structural belts between the Monroe fault on the west and the Campbell Hill fault on the east; that is, the Bronson Hill anticlinorium, Piedmont allochthon, Kearsarge-central Maine synclinorium, central New Hampshire anticlinorium, and Rochester-Lebanon (Maine) antiformal synclinorium.
References

Lyons, J.B., Bothner, W.A., Moench, R.H., and Thompson, J.B., Jr., 1997, Bedrock Geologic Map of New Hampshire: Reston, VA, U.S. Geological Survey Special Map, 2 sheets, scale 1:250,000.

https://ngmdb.usgs.gov/Prodesc/proddesc_37338.htm
NGMDB product
Counties Cheshire - Grafton - Sullivan