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  • Usage in publication:
    • Wolf Canyon Quartz Diorite
  • Modifications:
    • Named
  • AAPG geologic province:
    • Okanogan province
Publication:

Menzer, F.J., Jr., 1983, Metamorphism and plutonism in the central part of the Okanogan range, Washington: Geological Society of America Bulletin, v. 94, no. 4, p. 471-498.


Summary:

Unit is named the Wolf Canyon Quartz Diorite, a postmetamorphic plutonic unit in the Okanogan Range, WA. Consists of massive, magmatic diorite and quartz diorite. Plagioclase is andesine; green hornblende is the principal mafic mineral. Contact with the Red Shirt Gabbro (new) may be intrusive or gradational; intrudes the Lower Cretaceous Newby Formation. Age is Cretaceous. (B1565)

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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