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Geologic Unit: Pelona
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Map showing publication footprint
  • Usage in publication:
    • Pelona schists
  • Modifications:
    • Mapped
  • Dominant lithology:
    • Schist
  • AAPG geologic province:
    • Los Angeles basin
Publication:

Hershey, O.H., 1902, The Quaternary of southern California: University of California Publications in Geological Sciences, v. 3, no. 1, p. 1-30.


Summary:

[Pl. 1, map. Pelona schists on legend of map lie between gneiss below and Archean gneiss above, Los Angeles County, southern California. Age is pre-Cambrian(?).]

Source: US geologic names lexicon (USGS Bull. 896, p. 1630).


Map showing publication footprint
  • Usage in publication:
    • Pelona schist series
  • Modifications:
    • Named
  • AAPG geologic province:
    • Los Angeles basin
Publication:

Hershey, O.H., 1902, Some crystalline rocks of southern California: American Geologist, v. 29, p. 273-290.


Summary:

Unit is named the Pelona schist series. Age is Precambrian.

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


Map showing publication footprint
  • Usage in publication:
    • Pelona schist*
  • Modifications:
    • Adopted
  • AAPG geologic province:
    • Transverse Ranges province
Publication:

Wiese, J.H., 1950, Geology and mineral resources of the Neenach quadrangle, California: California Division of Mines Bulletin, no. 153, 53 p., (incl. geologic map, scale 1:62,500)


Summary:

Pelona schist series of Hershey (1902c) is adopted as the Pelona schist. Age is Precambrian(?).

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


Map showing publication footprint
  • Usage in publication:
    • Pelona Schist*
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Los Angeles basin
    • Mojave basin
Publication:

Evans, J.G., 1982, The Vincent thrust, eastern San Gabriel Mountains, California: U.S. Geological Survey Bulletin, 1507, 15 p., (incl. geologic map, scale 1:48,000)


Summary:

Age (metamorphic) of the Pelona Schist is Paleocene and (or) older.

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


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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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