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  • Usage in publication:
    • Tyee Mountain Member
  • Modifications:
    • Named
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Oregon-Washington Coast Ranges province
Publication:

Baldwin, E.M., 1974, Eocene stratigraphy of southwestern Oregon: Oregon Department of Geology and Mineral Industries Bulletin, no. 83, 40 p., (incl. geologic map, scale 1:250,000)


Summary:

Unit is named the Tyee Mountain Member of the Tyee Formation. Consists of bluish-gray to gray rhythmically bedded sandstone. Thickness is about 1500 ft. Overlies the Roseburg Formation; underlies the Hubbard Creek Member of the Tyee. Age is middle Eocene. (B1520)

Source: GNU records (USGS DDS-6; Menlo GNULEX).


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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