Ordovician - Precambrian Z Cape Elizabeth Formation

Ordovician - Precambrian Z Cape Elizabeth Formation
State Maine
Name Ordovician - Precambrian Z Cape Elizabeth Formation
Geologic age Ordovician - Precambrian Z
Lithologic constituents
Major
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 Q - Interbedded pelite and sandstone
Minor
Metamorphic > Schist (Greenschist, Amphibolite)Protolith Q - Interbedded pelite and sandstone; GS - Greenschist facies; E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies.
Metamorphic > Metasedimentary > Metaclastic > Quartzite (Greenschist, Amphibolite)Protolith Q - Interbedded pelite and sandstone; GS - Greenschist facies; E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies
Incidental
Metamorphic > Metasedimentary > Metaclastic > Phyllite (Greenschist, Amphibolite)Protolith Q - Interbedded pelite and sandstone; GS - Greenschist facies; E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies
Comments Divisible into lower member of black to dark-gray, thinly laminated carbonate shale and minor feldspathic quartzite, 2,000 m thick and upper member of gray, thinly laminated shale and siltstone, 600 m thick. Underlies Albee Formation. Used in ME and NH as far east as 70 deg 45' at east edge of Cupsuptic quad; Dead River Formation is eastward equivalent of Aziscohos and Albee Formations. Age is Early Ordovician. (ME041)
Stratigraphic units Casco Bay Group
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.

Katz, F.J., 1917, Stratigraphy in southwestern Maine and southeastern New Hampshire, IN Shorter contributions to general geology, 1917: U.S. Geological Survey Professional Paper, 108-I, p. 165-177.

https://pubs.er.usgs.gov/publication/pp108I

US Geological Survey, 2005, National Geologic Map Database, Geologic Names Lexicon "GEOLEX", http://ngmdb.usgs.gov/Geolex/.

NGMDB product
Counties Cumberland - Kennebec - Knox - Lincoln - Penobscot - Sagadahoc - Waldo - York