Unit Name: Medina Group
Unit Type: Lithostratigraphic
Rank: Group
Status: Formal
Usage: Currently in use
Age Interval: Early Silurian (443.7 - 422.9 ma)
Province/Territory: Ontario; New York
Originator: Vanuxem, L., 1840, NY Geol. Sur. 4th Rept., p. 374.
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