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  • Usage in publication:
    • Quartz Mountain Basalt
  • Modifications:
    • Named
  • Dominant lithology:
    • Basalt
  • AAPG geologic province:
    • Snake River basin
Publication:

Kittleman, L.R., Green, A.R., Hagood, A.R., Johnson, A.M., McMurray, J.M., Russell, R.G., and Weeden, D.A., 1965, Cenozoic stratigraphy of the Owyhee region, southeastern Oregon: University of Oregon, Museum of Natural History Bulletin, no. 1, 45 p.


Summary:

Named as 4th from lowermost member (of 7) of Deer Butte Formation for extrusive basalt at type locality on slope of Quartz Mountain, SW/4 sec.32 T24S R43E, Mahleur Co, OR. Described as brownish-black olivine basalt (54 ft thick) at type section of Deer Butte Formation. Overlies Holdout Member; underlies Burnt Mountain Member (both new and of Deer Butte Formation). Deer Butte Formation is Miocene and early Pliocene(?) age.

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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