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  • Usage in publication:
    • Mount Emily Dacite
  • Modifications:
    • Named
  • Dominant lithology:
    • Dacite
    • Diorite
  • AAPG geologic province:
    • Klamath Mountains province
Publication:

Beaulieu, J.D., and Hughes, P.W., 1976, Land use geology of western Curry County, Oregon: Oregon Department of Geology and Mineral Industries Bulletin, no. 90, 148 p.


Summary:

Type area designated as Mount Emily [T40N R12W], Mt. Emily 7.5' quad, Curry Co, OR. [Informally called Mount Emily dacitic intrusives by Dott (1971).] Composed of light-colored dacite, diorite, and syenite. Two large intrusive bodies form prominent mountain with radiating dike ridges. Unit intrudes Dothan Formation. Age is middle Oligocene.

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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