Fort Garry Member Selkirk Member Cat Head Member Dog Head Member
Underlies
Stony Mountain Formation
Overlies
Winnipeg Formation
Thickness
up to 215 metres (710 ft)[1]
Lithology
Primary
limestone, dolomite
Other
Breccia
Location
Coordinates
51°56′54″N98°03′23″W / 51.9482°N 98.0563°W / 51.9482; -98.0563 (Red River Formation)
Region
WCSB Williston Basin
Country
Canada United States
Type section
Named for
Red River of the North
Named by
A.F. Foerste
Year defined
1929
The Red River Formation is a stratigraphical unit of Late Ordovician age in the Williston Basin.
It takes the name from the Red River of the North, and was first described in outcrop in the Tyndall Stone quarries and along the Red River Valley by A.F. Foerste in 1929.[2][3]
^Cite error: The named reference lexicon was invoked but never defined (see the help page).
^Foerste, A.F., 1929. The Ordovician and Silurian of the American arctic and sub-arctic regions. Denison Univ. Sci. Lab J., v. 24, p. 27-79.
^Foerste, A.F., 1929b. The cephalopods of the Red River Formation of southern Manitoba. Denison Univ. Sci. Lab J., v. 24, p. 129-235.
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