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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Steele Valley granodiorite
  • Modifications:
    • Named
  • Dominant lithology:
    • Granodiorite
  • AAPG geologic province:
    • Peninsular Ranges province
Publication:

Dudley, P.H., 1935, Geology of a portion of the Perris block, southern California: California Journal of Mines and Geology, v. 31, no. 4, p. 487-506, (incl. geologic map, scale approx. 1:100,000)


Summary:

Named for occurrence at Steele Valley in southern part of Perris-Elsinore area, Riverside Co, CA. Granodiorite is light-colored with medium granitic texture with no schlieren present. Is younger than Lakeview quartz-hornblende diorite (new) and older than Cajalco quartz monzonite (new). Age is Late Jurassic(?).

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


Map showing publication footprint
  • Usage in publication:
    • Steele Valley granodiorite
  • Modifications:
    • Not used
  • AAPG geologic province:
    • Peninsular Ranges province
Publication:

Larsen, E.S., Jr., 1948, Batholith and associated rocks of Corona, Elsinore, and San Luis Rey quadrangles, southern California: Geological Society of America Memoir, 29, 182 p., (incl. geologic map, scale 1:125,000)


Summary:

Rocks of Steele Valley granodiorite of Dudley (1935) are included in Woodson Mountain granodiorite (new). Age of Woodson Mountain granodiorite is Cretaceous.

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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