Geologic Unit: Red Lake Falls

Usage:

Red Lake Falls Formation (MN)
Red Lake Falls Formation of Coleharbor Group (ND)

Geologic age:

Quaternary (Pleistocene)

Type section, locality, area and/or origin of name:

Type section: Clearwater section, right bank of Clearwater River, Red Lake Falls area, in NE/4 NE/4 sec. 22, T. 151 N., R. 44 W., Red Lake Falls 15-min quadrangle, Red Lake Co., northwestern MN (Harris and others, 1974, North Dakota Geol. Survey Misc. Ser., no. 52, p. 30-31).
Reference sections, in Red Lake Falls area, Red Lake Falls 15-min quadrangle, Red Lake Co., northwestern MN (Harris and others, 1974, p. 31, 33-34): (1) Needles Eye section, left bank of Red Lake River, in SW/4 NE/4 SE/4 sec. 18, T. 151 N., R. 43 W.; and (2) Damned House section, in SW/4 NE/4, SE/4 sec. 15, T. 151 N., R. 44 W.
Named from city of Red Lake Falls, Red Lake Co., northwestern MN (Harris and others, 1974).

AAPG geologic province:

Sioux uplift
Williston basin