Unit Name: Cobourg Formation
Unit Type: Lithostratigraphic
Rank: Formation
Status: Formal
Usage: Currently in use
Age Interval: Middle Ordovician (N.A.) (473 - 451 ma)
Province/Territory: Ontario; New York
Originator: Raymond, P.E., 1921, GSC Mus. Bull. 31, p. 1.
Source: GSC file of geological names; T.E. Bolton and J. Dougherty (compiler)
Contributor: A.A. Coyne
Entry Reviewed: No
Name Set: Lithostratigraphic Lexicon
LastChange: 30 Jan 2013