Unit Name: Hay River Limestones
Unit Type: Lithostratigraphic
Rank: Member
Status: Formal
Usage: Obsolete
Age Interval: Late Devonian (385.3 - 359.2 ma)
Age Justification: See under Tathlina and Twin Falls formations.
Province/Territory: Alberta; Northwest Territories

Originator: A.E. Cameron, 1918.

Type Locality:
On Hay River from near Grumbler Rapids to the gorge at Louise Falls.

See below.

Limestone, minor shale and sandstone.

Considered by A.E. Cameron (1922, p. 25B) to be the upper member of the Hay River Series (Upper Devonian). In present-day nomenclature this section is known as the Tathlina and Twin Falls formation and the Louise Falls Member of the Hay River Fm.

Other Citations:
Belyea and McLaren, 1962; A.E. Cameron, 1918, 1922; Law, 1955a, 1955b.

Source: CSPG Lexicon of Canadian Stratigraphy, Volume 2, Yukon Territory and District of Mackenzie; L.V. Hills, E.V. Sangster and L.B. Suneby (editor)
Contributor: L.V. Hills; G.K. Williams
Entry Reviewed: Yes
Name Set: Lithostratigraphic Lexicon
LastChange: 28 Jun 2004