Unit Name: Trenton Group
Unit Type: Lithostratigraphic
Rank: Group
Status: Formal
Usage: Currently in use
Age Interval: Middle Ordovician - Late Ordovician (471.8 - 443.7 ma)
Province/Territory: Ontario; Quebec; New York

Originator: Vanuxem, 1838

Type Locality:
Trenton Falls, Oneida Co., NY.

Lithology:
Limestone and shale.

Remark:
See GEOLEX (http://ngmdb.usgs.gov/Geolex/NewUnits/unit_4157.html)

References:
Vanuxem, L. 1838. Second annual report of the geological survey of the third district of the State of New York. New York Geological Survey, Annual Report, vol.2, pages 253-286.

Source: GEOLEX
Contributor: P.H. Davenport
Entry Reviewed: No
Name Set: Lithostratigraphic Lexicon
LastChange: 28 Oct 2009