- Usage in publication:
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- West Fargo Member
- Modifications:
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- Original reference
- Dominant lithology:
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- Silt
- Peat
Summary:
Pg. 6-8. West Fargo Member of Poplar River Formation. Present in west-central Minnesota and North Dakota. Consists mostly of silt, clayey silt, peat; color is dark-gray. Is laminated (organic laminae). Thickness 5.5 m at type section. Unconformably overlies Brenna Formation or conformably overlies Harwood Member of Poplar River Formation. Gradationally underlies Sherack Formation. Interpreted to represent a fluvial depositional environment. Age is Pleistocene (Wisconsinan).
Type section (composite): borings 1, 2, and 3, F-2 Dormitory, Moorhead State College, SE/4 NE/4 SE/4 sec. 8, T. 139 N., R. 48 W., Moorhead, Clay Co., west-central MN.
Type area: vicinity of Fargo, ND. Named from town of West Fargo, Cass Co., [east-central ND].
Source: US geologic names lexicon (USGS Bull. 1564, p. 184-185).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).