Devonian Chapman Sandstone

Devonian Chapman Sandstone
State Maine
Name Devonian Chapman Sandstone
Geologic age Devonian
Lithologic constituents
Major
Sedimentary > Clastic > SandstoneW - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith D - Lithic sandstone
Incidental
Sedimentary > Clastic > Mudstone > ShaleW - Weakly metamorphosed; contains local occurrences of prehnite and pumpellyite; Protolith D - Lithic sandstone
Comments AC - High rank amphibolite facies; Protolith A - Pelite; Eliminated ? in map symbol due to digital confusion in FileMaker regarding special characters. New map symbol for Carrabassett Formation (uncertain) is Dcu in both this file and the digital map file.
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.

Williams, H.S., 1900, The Paleozoic faunas of Maine, Part 1, IN Williams, H.S., and Gregory, H.E., Contributions to the geology of Maine: U.S. Geological Survey Bulletin, 165, p.15-92.

https://pubs.er.usgs.gov/publication/b165

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.

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

NGMDB product
Counties Aroostook