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National Geologic Map Database
Geologic Unit: Elsinore
Map showing publication footprint
  • Usage in publication:
    • Elsinore metamorphic series
  • Modifications:
    • Named
  • Dominant lithology:
    • Gneiss
    • Schist
    • Slate
    • Limestone
    • Chert
  • 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 Elsinore metamorphic series has been chosen to include all metamorphic rocks in Perris-Elsinore area, Riverside Co, CA. [Name Elsinore series used in abstract by Dudley (1932)]. Includes meta-sedimentary and meta-volcanic rocks ranging from coarsely crystalline gneisses and schists to slates, granulites, limestones, banded cherts and altered andesitic volcanic rocks. Rocks have been thoroughly recrystallized. Color varies from dark brown to almost bluish black. Intruded by various plutonic bodies and by Temescal dacite-porphyry (new). Unconformably overlain by Eocene Alberhill clays. Is oldest rock in area. No fossils found. Age is Triassic based on correlation.

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 ([ ]).