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  3. Mineral Resource Data System (MRDS)

El Picacho

Occurrence in Sonora, Mexico with commodities Uranium, Gold, Silver, Molybdenum
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10049004
MRDS ID MX00210
Record type Site
Current site name El Picacho
Related records 10191224

Geographic coordinates

Geographic coordinates: -110.08121, 30.59184 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Sonora

Comments on the location information

  • ESTIMATED TO WITHIN 5 SECONDS.

Commodities

Commodity Importance
Uranium Primary
Gold Secondary
Silver Secondary
Molybdenum Tertiary

Materials information

Materials Type of material
Iriginite Ore
Molybdenite Ore
Torbernite Ore
Pyrite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Phyllic

Mineral occurrence model information

Model code 155
USGS model code 25f
Deposit model name Volcanogenic U

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)

Nearby scientific data

(1) -110.08121, 30.59184
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Economic information

Comments on the geologic information

  • IGNIMBRITE FORMS A RESURGENT DOME IN TERTIARY CALDERA COMPLEX, CROSSCUT BY DACITIC DIKES AND LAMPROPHYRES.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name /Arizpe

Reference information

Bibliographic references

  • Deposit

    PEREZ SEGURA, EFREN, 1985, CARTA METALOGENETICA DE SONORA 1:250000 UNA INTERPRETACION DE LA METALOGENIA DE SONORA: UNIV. OF SONORA, DEPT. OF GEOL., HERMOSILLO, MEXICO, 66 P.

  • Deposit

    MARQUINA MARTINEZ, O.E., 1983, ALGUNAS EVIDENCIAS URANIFERAS EN ROCAS VOLCANICAS FELSICAS EN LA PORCION NORTE-CENTRAL DEL ESTADO DE SONORA: GEOMIMET, V. 3, NUM. 123, P. 63-74.

General comments

Subject category Comment text
Deposit TERTIARY CALDERA COMPLEX LITHOLOGY (OLDEST-YOUNGEST): ANDESITES (AGGLOMERATE, PORPHYRY, TUFF); TRACHYANDESITES; TRACHYTE PORPHYRY; DACITIC INTRUSIVE COMPLEX; TRACHYTES AND ANDESITES (FLOWS?); TRACHYTE PORPHYRY AND ANDESITIC INTRUSIVES; RHYOLITE AND DACITE TUFF AND IGNIMBRITE. ; INFO.SRC : 1 PUB
Deposit U MINERALS IN ALTERED IGNIMBRITE, ASSOCIATED WITH AU, AG, AND TRACE MOLYBDENITE. SMALL POCKETS OF HYDROTHERMAL BRECCIA IN FRACTURE ZONES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1987 Staude, John-Mark G. (Page, Norman J.) U.S. Geological Survey
Updater 01-JUN-1988 Leonard, Kenneth R. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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