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Silurian Waterville Formation, limestone member

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Silurian Waterville Formation limestone member
State Maine
Name Silurian Waterville Formation, limestone member
Geologic age Silurian
Lithologic constituents
Major
Metamorphic > Metasedimentary > Calc-silicate-rock (Greenschist, Amphibolite)GS - Greenschist facies; E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies; Protolith N - Limestone and/or dolostone
Metamorphic > Metasedimentary > Metacarbonate > Marble (Greenschist, Amphibolite)GS - Greenschist facies; E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies; Protolith N - Limestone and/or dolostone
Metamorphic > Metasedimentary (Greenschist, Amphibolite)GS - Greenschist facies; E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies; Protolith N - Limestone and/or dolostone
Minor
Metamorphic > Schist (Greenschist, Amphibolite)GS - Greenschist facies; E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies; Protolith N - Limestone and/or dolostone
Metamorphic > Metasedimentary > Metaclastic > Slate (Greenschist, Amphibolite)GS - Greenschist facies; E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies; Protolith N - Limestone and/or dolostone
Incidental
Sedimentary > Clastic > Mudstone > Shale > Black-shaleGS - Greenschist facies; E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies; Protolith N - Limestone and/or dolostone
Comments W - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith S - Interbedded pelite, sandstone, and limestone and/or dolostone.
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.

Moench, R.H., Boone, G.M., Bothner, W.A., Boudette, E.L., Hatch, N.L., Jr., Hussey, A.M., III, Marvinney, R.G. and Aleinikoff, J.N., 1995, Geologic map of the Sherbrooke-Lewiston area, Maine, New Hampshire, and Vermont, United States, and Quebec, Canada: U.S. Geological Survey Miscellaneous Investigations Series Map, I-1898-D, 56 p., 2 sheets, scale 1:250,000, Prepared in cooperation with the Maine Geological Survey and the New Hampshire Geological Survey.

https://pubs.er.usgs.gov/publication/i1898D

US Geological Survey, 2005, National Geologic Map Database, Geologic Names Lexicon "GEOLEX", http://ngmdb.usgs.gov/Geolex/.
NGMDB product
Counties Androscoggin - Cumberland - Kennebec - Penobscot - Somerset - York