Unit Name: Isle la Motte Limestone
Unit Type: Lithostratigraphic
Rank: Formation
Status: Formal
Usage: Currently in use
Age Interval: Ordovician - Middle Ordovician (488.3 - 460.9 ma)
Province/Territory: Ontario; Quebec; New York; Vermont

Originator: Kay, G.M., 1958, Am. J. Sci. 256:2, p. 70, 85-87.

Type Locality:
Type Locality: Type section: In Hill quarry on east side of Isle La Motte in Lake Champlain, Grand Isle Co., VT (Kay, 1937).

GeoLex entry: http://ngmdb.usgs.gov/Geolex/NewUnits/unit_2200.html This unit is a formation of the Black River Group.

Other Citations:
Kay, G.M., 1958, Am. J. Sci. 256:2, p. 70, 85-87 [limestone].

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: 27 Mar 2007