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San Francisco Del Oro

Past Producer in Chihuahua, Mexico with commodities Lead, Zinc, Copper, Silver, Fluorine-Fluorite, Gold, Tungsten
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10084824
MRDS ID W700037
Record type Site
Current site name San Francisco Del Oro
Alternate or previous names San Francisco, Frisco

Geographic coordinates

Geographic coordinates: -105.85052, 26.86698 (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 Chihuahua

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Copper Primary
Silver Primary
Fluorine-Fluorite Critical Primary
Gold Secondary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Anglesite Ore
Bornite Ore
Cerargyrite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Fluorite Ore
Galena Ore
Hematite Ore
Magnetite Ore
Malachite Ore
Pyrite Ore
Scheelite Ore
Smithsonite Ore
Sphalerite Ore
Tetrahedrite Ore
Actinolite Gangue
Biotite Gangue
Calcite Gangue
Chlorite Gangue
Diopside Gangue
Epidote Gangue
Gypsum Gangue
Ilvaite Gangue
Jarosite Gangue
Limonite Gangue
Mimetite Gangue
Plumbojarosite Gangue
Pyromorphite Gangue
Quartz Gangue
Sericite Gangue
Wulfenite Gangue

Analytical data

Result ACID SPAR FROM THIS MINE IS BELIEVED TO CONTAIN 20-52 PPM AS AND UP TO 400 PPM P2O5.

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

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 Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -105.85052, 26.86698
ListMap

Economic information

Ore body information

  • Length 3000M
    Width 1000M
    Depth to bottom 800M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No
Discovery year 1659
Year of last production 1991

Mining district

District name Hidalgo Del Parral

Ownership information

  • Type Operator
    Owner San Francisco Del Oro Sa De Cv

Production statistics

  • Year 1980
    Period 1659-1980
    Material SULFIDE ORE
    Accuracy Estimate
    Description Cp_Grade: ^7.3% Pb, 8.0% Zn, 0.5% Cu, 115 G/T Ag, 0.58 G/T Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 1g/mt
    Silver Silver 115g/mt
    Copper Copper 1wt-pct
    Zinc Zinc 8wt-pct
    Lead Lead 7wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 4340000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 3.4 wt-pct Lead Major 1980
    Zinc Zn 5.1 wt-pct Zinc Major 1980
    Silver Ag 106 g/mt Silver Major 1980
    Gold Au 0.34 g/mt Gold Minor 1980

Comments on the workings information

  • FLUORITE HAS BEEN WORKED PERIODICALLY FROM THE ZN-PB TAILINGS AS WELL AS VEINS.

Comments on development

  • MINE HAS BEEN INTERMITTANTLY CLOSED AND REOPENED.

Reference information

Bibliographic references

  • Deposit

    MOSIER, D.L., U.S. GEOLOGICAL SURVEY, WRITTEN COMMUN., 1988

  • Deposit

    KOCH, G.S., JR., 1956, THE FRISCO MINE, CHIHUAHUA, MEXICO: ECONOMIC GEOLOGY, V. 51, NO. 1, P. 1-40.

  • Deposit

    EINAUDI, M.T., MEINERT, L.D., AND NEWBERRY, R.J., 1981, SKARN DEPOSITS: ECONOMIC GEOLOGY, 75TH ANNIVERSARY VOLUME, P. 317-391.

  • Deposit

    WORLD MINING, OCTOBER, 1980.

  • Deposit

    GRIFFITHS, JOYCE, 1988, MEXICO'S INDUSTRIAL MINERALS--MEETING MANANA'S CHALLENGE: INDUSTRIAL MINERALS, NO. 250, P. 19-41.

  • Deposit

    HARBEN, P.W., AND BATES, R.L., 1990, FLUORSPAR, IN INDUSTRIAL MINERALS--GEOLOGY AND WORLD DEPOSITS: LONDON, INDUSTRIAL MINERALS DIVISION OF METAL BULLETIN PLC, P. 110-119.

  • Deposit

    PICKARD, G.W., 1974, GEOLOGY OF MEXICAN FLUORSPAR DEPOSITS, IN HUTCHESON, D.W., ED., A SYMPOSIUM ON THE GEOLOGY OF FLUORSPAR: KENTUCKY GEOLOGICAL SURVEY SPECIAL PUBLICATION 22, P. 23-30.

  • Deposit

    SKILLEN, ANDY, FLUORSPAR PRODUCERS--CRACKS IN THE CHINESE WALL?: INDUSTRIAL MINERALS, NO. 307, P. 36-49.

  • Other Database

    CIMRI

  • Production

    MOSIER, 1988.

  • Reserve-Resource

    WORLD MINING, 1980

General comments

Subject category Comment text
Deposit 32 FISSURE VEINS STIKING N30W, N10E, AND N30E. VEINS STRIKING N10E ARE MOST PRODUCTIVE. NARROW VEINS OF QUARTZ, CALCITE, AND FLUORITE CUT THE SULFIDE VEINS AND FILL OPEN FRACTURES. THE MINE TAILINGS AVERAGE 15-20 PERCENT FLUORSPAR.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1988 Leonard, Kenneth R. U.S. Geological Survey
Updater 01-AUG-1993 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

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