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Cuatro Hermanos

Occurrence in Sonora, Mexico with commodities Copper, 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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10048862
MRDS ID MX00032
Record type Site
Current site name Cuatro Hermanos
Related records 10206556

Geographic coordinates

Geographic coordinates: -109.65757, 28.38635 (WGS84)
Relative position 30 KM S OF SAN ANTONIO DE LA HUERTA.

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

Commodities

Commodity Importance
Copper Primary
Molybdenum Primary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Molybdenite Ore
Pyrite Ore

Alteration

  • (Local) Silicification, Potassic(?)

Mineral occurrence model information

Model code 79
USGS model code 21a
Deposit model name Porphyry Cu-Mo
Mark3 model number 2

Host and associated rocks

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

Nearby scientific data

(1) -109.65757, 28.38635
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Economic information

Ore body information

  • General form STOCKWORKS, HYDROTHERMAL BRECCIA

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Tecoripa/Rosario

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Commodity Subtype Grade units Group Importance Year
    Molybdenum Mo 0.25 wt-pct Molybdenum Major 1985

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

    ECHAVARRI,A. AND GOMEZ, T.A. 1971. INFORME GEOLOGICO Y DE MINERALIZACION-ALTERACION DEL PROYECTO 4 HERMANOS MUNICIPIO DE ONAVAS, SONORA, ASARCO MEXICANA, S,A., REPORTE INTERNO, 7 P.

General comments

Subject category Comment text
Deposit NEARBY PORPHYRY COPPER DEPOSITS INCLUDE: SAN IGNACIO, SUAQUI VERDE, LUCIA, LA CARDELENA, MONICA, EL CERRITO, AND NACIMIENTO. ; INFO.SRC : 1 PUB
Deposit HYDROTHERMAL BRECCIA. SMALL ZONES OF SECONDARY ENRICHMENT OF CU-MO (0.50% CU GRADE) ARE COMMON (ECHAVARRI AND GOMEZ TAGLE, 1971).

Reporter information

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