Devonian Seboomook Formation, unnamed pelite

Devonian Seboomook Formation unnamed pelite
State Maine
Name Devonian Seboomook Formation, unnamed pelite
Geologic age Devonian
Lithologic constituents
Sedimentary > Clastic > MudstoneW - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith A - Pelite
Comments Revised as a formation of the Seboomook Group to follow usage of Pollock (1987). Occurs in central Maine trough in west-central ME. Consists of sulfidic schist interbedded with metasandstone and metasiltstone and local metaconglomerate. (ME004) Unit description from USGS GEOLEX website (ME078). AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies; E - Epidote-amphibolite facies; GS - Greenschist facies; Protolith C - Sulfidic/carbonaceous pelite.

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 Aroostook - Piscataquis