Unit Name: Rockland Formation
Unit Type: Lithostratigraphic
Rank: Formation
Status: Formal
Usage: Currently in use
Age Interval: Middle Ordovician (470 - 460.9 ma)
Province/Territory: Ontario; Quebec; New York
Originator: Raymond, P.E., 1914, GSC Summ. Rept. 1912, p. 348.
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: 24 Jul 2018