Modified from:

Luttrell, G.W.  1989. Stratigraphic Nomenclature of the Newark Supergroup of Eastern North America. U.S. Geological Survey Bulletin 1572.

Weems, R.E. and Olsen, P.E. 1997. Synthesis and revision of groups within the Newark Supergroup, eastern North America. GSA Bulletin v. 109, pt. 2, p. 195-209.
 
 
 

Additional References:

Davis, W.M. 1898. The Triassic formation of Connecticut. U.S. Geological Survey 18th Annual Report, pt. 2a, pp. 1-192.

Emerson, B.K. 1898. Holyoke Folio, Massachusetts-Connecticut. U.S. Geological Survey Geologic Atlas of the United States, no. 50, 5 maps, 7 p.

Emerson, B.K. 1917. Geology of Massachusetts and Rhode Island. U.S. Geological Survey Bulletin 597, 289 p.

Krynine, P.D. 1950. Petrology, stratigraphy, and origin of the Triassic sedimentary rocks of Connecticut. Connecticut Geological and Natural History Survey Bulletin 73, 247 p.

Lehman, E.P. 1959. The bedrock geology of the Middletown quadrangle. Connecticut Geological and Natural History Survey Quadrangle Report 8, 40 p.

Percival, J.G. 1842. Report on the geology of the state of Connecticut. New Haven, Conn., Osborn and Baldwin pub. 495 p.

Rodgers, J. 1985. Bedrock geological map of Connecticut. Connecticut Geological and Natural History Survey, scale 1:125,000.

Sanders, J.E. 1968. Stratigraphy and primary sedimentary structures of fine-grained, well-bedded strata, inferred lake deposits, Upper Triassic, central and southern Connecticut. Geological Society of America Special Paper 106, p. 265-305.

Zen, E.-an, Goldsmith, R., Ratcliffe, N.M., Robinson, P., and Stanley, R.S. 1983. Bedrock geological map of Massachusetts. U.S. Geological Survey State Geologic Map, scale 1:250,000.
 
 
 

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This page last updated on June 20, 2000.