Unit Name: Chaumont Formation
Unit Type: Lithostratigraphic
Rank: Formation
Status: Formal
Usage: Abandoned
Age Interval: Middle Ordovician (470 - 460.9 ma)
Province/Territory: Ontario; New York
Originator: Kay, G.M., 1929, J. Geol. 37:7, p. 664.
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 Jul 2018