La Reforma

Past Producer in Chihuahua, Mexico with commodities Zinc, Lead, Copper, Silver, Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10049437
MRDS ID MX02095
Record type Site
Current site name La Reforma

Geographic coordinates

Geographic coordinates: -108.16725, 26.96697 (WGS84)
Location accuracy 2000(meters)
Relative position 40 KM W OF BATOPILAS

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Chihuahua

Comments on the location information

  • 35 KM SW OF URIQUE

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Copper Primary
Silver Secondary
Gold Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Magnetite Ore
Pyrite Ore
Sphalerite Ore
Actinolite Gangue
Garnet Gangue

Mineral occurrence model information

Model code 60
USGS model code 18c
Deposit model name Skarn Zn-Pb
Mark3 model number 22

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Eocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble

Nearby scientific data

(1) -108.16725, 26.96697

Economic information

Controls for ore emplacement

  • Contact Zone

Comments on the geologic information

  • GEOL.COM: MARBLE INTRUDED BY GRANODIORITE; ASSOCIATED GRAYWACKE AND SCHIST. CRET. GRANODIORITE FORMED SKARN MINERALIZATION INTRUSIVE IS PART OF 30 KM X 40 KM PLUTONIC AREA.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Urique

Ownership information

  • Type Operator
    Owner Compania Minera La Campana, S. A.
  • Type Owner
    Owner Industrias Penoles, S. A.

Production statistics

  • Year 1976
    Material ORE ZN PB CU AG AU
    Accuracy Estimate
    Description Ap_Grade: ^55 G/Mt Ag, 2.1% Pb, 8.05% Zn, 0.8% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 1wt-pct
    Major Ore Lead Lead 2wt-pct
    Ore Zinc Zinc 8wt-pct
    Major Ore Silver Silver 55g/mt

Comments on the reserve resource information

  • POSSIBLE ORE.
  • PROVEN + PROBABLE ORE.

Reference information

Bibliographic references

  • Deposit

    GUILD, P.W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: U.S. GEOLOGICAL SURVEY CIRCULAR 858-A AND -B.

  • Deposit

    SALAS, G.P., 1975, CARTA Y PROVINCIAS METALOGENETICAS DE LA REPUBLICA MEXICANA: CONSEJO DE RECURSOS MINERALES PUBLICACION 21 E, P. 190.

  • Deposit

    BUSCH, KLAUS, (ED.), 1980, ROHSTOFFWIRTSCHAFTLICHE LANDERBERICHTE XXIV, MEXIKO: BUNDESANSTALT FUR GEOWISSENSCHAFTEN UND ROHSTOFFE, HANNOVER, P. 68-69.

  • Deposit

    SOCIEDAD GEOLOGICA MEXICANA A.C., 1985, PLANO GEOLOLGICO MINERO DE CHIHUAHUA, MEXICO: CONSEJO DE RECURSOS MINERALES AND FEDERAL GOVERNEMNT OF MEXICO D.F., 1 SHEET, SCALE 1:500,000

  • Deposit

    SPP,1985, CARTA GEOLOGICA HUATABAMPO (G12-6)

  • Production

    BUSCH, 1980.

General comments

Subject category Comment text
Deposit LISTED AS POLYMETALLIC REPLACEMENT DEPOSIT IN COX AND SINGER (1986). ; INFO.SRC : 1 PUB
Deposit HYPOGENE PYRITE, MAGNETITE, GALENA, SPHALERITE, AND CHALCOPYRITE IN GARNET-WOLLASTINITE-ACTINOLITE GANGUE. SKARN-CONTACT ZONE 5-15 M THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-88 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey
Updater 01-JUN-88 Leonard, Kenneth R. U.S. Geological Survey
Updater 01-AUG-91 Kibbe, R.D. (Staude, J-M.G.) U.S. Geological Survey

Beyond USGS

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