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Map showing publication footprint
  • Usage in publication:
    • Yellow Ridge rhyolite
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Felsite
  • AAPG geologic province:
    • Yellowstone province
Publication:

Wilson, W.H., 1964, Geologic reconnaissance of the southern Absaroka Mountains, northwest Wyoming; Part 1, The Wood River-Greybull area: University of Wyoming, Department of Geology and Geophysics, Contributions to Geology, v. 3, no. 2, p. 60-77.


Summary:

Pg. 69, 72, 73, 75. Yellow Ridge rhyolite. Intrudes Wiggins formation. An ovoid body about 1 mile long and one-half mile wide with exposed thickness of about 800 feet. A yellowish-gray, very fine-grained felsite that has been locally iron-stained along fracture zones. Age is Tertiary.
Crops out between Yellow Creek and Steer Creek, southern Absaroka Mountains, northwestern WY.

Source: US geologic names lexicon (USGS Bull. 1350, p. 126).


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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