Unit Name: Utica Group
Unit Type: Lithostratigraphic
Rank: Group
Status: Formal
Usage: Abandoned
Age Interval: Late Ordovician (460.9 - 443.7 ma)
Province/Territory: Ontario; Quebec; Indiana; Michigan; New York; Ohio

Originator: Emmons, E., 1842, Geol. NY, pt. 2, div. 4, geol. 2nd. dist., p. 116-118, 183, 278, 319, 397, 429.

Type Locality:
Type area: well exposed in the Starch Factory Creek to the east of Utica. Named from City of Utica, Oneida Co., NY (Ruedemann, 1912).

Remark:
GeoLex entry: http://ngmdb.usgs.gov/Geolex/NewUnits/unit_4218.html * see Utica Shale

Other Citations:
Emmons, E., 1842, Geol. NY, pt. 2, div. 4, geol. 2nd. dist., p. 116-118, 183, 278, 319, 397, 429.

Source: GSC file of geological names; T.E. Bolton and J. Dougherty (compiler)
Contributor: A.A. Coyne; P.H. Davenport
Entry Reviewed: No
Name Set: Lithostratigraphic Lexicon
LastChange: 01 Oct 2007