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.

Type Locality:
Type Locality: Vicinity of Chaumont Bay of Lake Ontario, Jefferson Co., northern NY (Kay, 1929).

Remark:
GeoLex entry: http://ngmdb.usgs.gov/Geolex/NewUnits/unit_1003.html This unit is a formation of the Black River Group.

Other Citations:
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