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.
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