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Map showing publication footprint
  • Usage in publication:
    • East Tioga clay [bed]
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Clay
  • AAPG geologic province:
    • Williston basin
Publication:

Great Northern Railway Company Mineral Research and Development Department, 1958, Williston basin clays, North Dakota and Montana: Great Northern Railway Company Mineral Research and Development Department Report, no. 5, 23 p., (Includes App. A-L, and minerals map, sections, geol. sketch map, and diagrams, and App. M-N)


Summary:

Pg. 8, 22, map. East Tioga clay in Golden Valley formation. A 10-foot bed of clean, buff-colored clay. White Earth, South Ross, and Lakeside clays occur in same general area. Age is Eocene.
Type locality: on Great Northern mainline in center of sec. 33, T. 157 N., R. 94 W., Mountrail Co., western ND.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1207-1208).


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 ([ ]).

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