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Map showing publication footprint
  • Usage in publication:
    • "dikes of Calico Peak porphyry"
    • "porphyry of Calico Peak and vicinity"
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Paradox basin
Publication:

Cross, Whitman, and Spencer, A.C., 1900, Geology of the Rico Mountains, Colorado: U.S. Geological Survey Annual Report, 21, pt. 2, p. 7-165.


Summary:

Plate 22, map of Rico Mountains. "dikes of Calico Peak porphyry." [Text heading is "porphyry of Calico Peak and vicinity."] Age is Tertiary.

Source: US geologic names lexicon (USGS Bull. 896, p. 318).


Map showing publication footprint
  • Usage in publication:
    • "dikes of Calico Peak porphyry"
  • Modifications:
    • Principal reference
  • Dominant lithology:
    • Porphyry
  • AAPG geologic province:
    • Paradox basin
Publication:

Cross, Whitman, and Ransome, F.L., 1905, Rico folio, Colorado: U.S. Geological Survey Geologic Atlas of the United States Folio, GF-130, 20 p., scale 1:62,500


Summary:

[Credits Whitman Cross, A.C. Spencer, and F.L. Ransome.] "Dikes of Calico Peak porphyry" occur on north slope and elsewhere in vicinity of Calico Peak [about 4 miles northwest of Rico] and in a sheetlike body in Dakota sandstone at head of Priest Gulch. Is a monzonite porphyry characterized by large orthoclase crystals. "Calico Peak porphyry alunitized" (a porphyry changed by solfataric action into a mass consisting chiefly of alunite) forms cone of Calico Peak. Age is Tertiary.

Source: US geologic names lexicon (USGS Bull. 896, p. 318).


Map showing publication footprint
  • Usage in publication:
    • Calico Peak porphyry*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Paradox basin
Publication:

Wilmarth, M.G., 1936, [Selected Geologic Names Committee remarks (ca. 1910-1937) on Cenozoic rocks and sediment of the western U.S.], IN Wilmarth, M.G., 1938, Lexicon of geologic names of the United States (including Alaska): U.S. Geological Survey Bulletin, 896, pts. 1-2, 2396 p.


Summary:

[Calico Peak porphyry adopted by the USGS.]

Source: US geologic names lexicon (USGS Bull. 896, p. 318).


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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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