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San Fransisco Del Oro

Past Producer in Chihuahua, Mexico with commodities Fluorine-Fluorite, Lead, Silver, Zinc
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10158383
MAS/MILS ID 2010110011
Record type Site
Current site name San Fransisco Del Oro
Alternate or previous names San Francisco Del Oro, Minas San Francisco:, Frisco, Clarines, Y La Mesa

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.88382, 26.86701 (WGS84)
Elevation 2140
Location accuracy 5000(meters)

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
Fluorine-Fluorite Critical Primary
Lead Primary
Silver Primary
Zinc Critical Primary

Materials information

Materials Type of material
Argentite Unknown
Arsenopyrite Unknown
Calcite Unknown
Chalcopyrite Unknown
Fluorite Unknown
Galena Unknown
Gold Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -105.88382, 26.86701
ListMap

Economic information

Ore body information

  • Strike N28W
    Dip 60W
    Thickness 800M
    Length 3000M
    Width 500M
    Depth to top 0M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 PIPELIKE
    Type of Orebody #3 OTHER
    Shape of Orebody #3 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FRACTURING
    Secondary Ore Control BEDDING
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Type of Wallrock Alter. #2 DOLOMITIZATION
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N28W:60W
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830727

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Both
Significant No
Discovery year 1659
Mining method Shrinkage Methods
Year of first production 1913
Milling method Flotation

Mining district

District name Hidalgo Del Parral District

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented
Type of mineral rights Unknown

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Empresas Frisco, S. A. De C. V.
    Interest 100
    Home office Mexico
    Year 1989
  • Type Operator
    Owner Minera San Francisco Del Oro S. A. De C. V.
    Home office Mexico
    Year 1989

Comments on the production information

  • THE FLOTATION PLANT ALSO HAS A FLUORITE CIRCUIT. FEED IS TAILINGS FROM THE ZN & PB CIRCUITS. MILL CONC. GRADE IS 97.4% CAF2, RECOVERY IS 45%. MOST OF THE FLUORITE IS SENT TO MATAMOROS TO BE USED IN THE PRODUCTION OF HYDROFLUORIC ACID. THE REMAINDER IS EXPLRTED TO THE U.S.A. AND CANADA.
  • HIGH GRADE SPAR PROD. STARTED IN 1974 IN ADDITION TO THE SPAR PROD. FROM OLD TAILINGS.

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Measured 2200000mt ore
    Demonstrated 2200000mt ore
    Total resources 2200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4.2 wt-pct Lead Major 1973
    Zinc Zn 6.5 wt-pct Zinc Major 1973
    Silver Ag 141.8 g/mt Silver Major 1973
    Gold Au 0.28 g/mt Gold 1973
  • Type In-situ
    Estimate year 1976
    Measured 2000000mt ore
    Demonstrated 2000000mt ore
    Total resources 2000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 6.45 wt-pct Zinc Major 1976
    Lead Pb 4.28 wt-pct Lead Major 1976
    Silver Ag 151 g/mt Silver Major 1976
    Fluorine-Fluorite CaF2 14.6 wt-pct Fluorine Major 1976
    Gold Au 0.48 g/mt Gold 1976
  • Type In-situ
    Estimate year 1976
    Measured 17000000mt ore
    Demonstrated 17000000mt ore
    Total resources 17000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 15 wt-pct Fluorine Major 1976
  • Type In-situ
    Estimate year 1976
    Measured 2200000mt ore
    Demonstrated 2200000mt ore
    Total resources 2200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 6.5 wt-pct Zinc Major 1976
    Lead Pb 4.2 wt-pct Lead Major 1976
    Silver Ag 151 g/mt Silver Major 1976
    Copper Cu 0.5 wt-pct Copper 1976
    Gold Au 0.3099 g/mt Gold 1976
  • Type In-situ
    Estimate year 1982
    Measured 630000mt ore
    Indicated 4000000mt ore
    Demonstrated 4630000mt ore
    Inferred 4000000mt ore
    Total resources 8630000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 13.25 wt-pct Fluorine Major 1982
  • Type In-situ
    Estimate year 1981
    Demonstrated 2570000mt ore
    Total resources 2570000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 3 wt-pct Lead Major 1981
    Zinc Zn 2.167 wt-pct Zinc Major 1981
    Silver Ag 116 g/mt Silver Major 1981
    Gold Au 0.343 g/mt Gold 1981
    Copper Cu 0.35 wt-pct Copper 1981
    Fluorine-Fluorite CaF2 26.289 wt-pct Fluorine Major 1981

Comments on the reserve resource information

  • Q2 IS RECOVERABLE SPAR FROM TAILINGS AND NEW DEPOSITS BOTH.
  • FLUORSPAR IS RECOVERED FROM THE TAILINGS OF THE SAN FRANCISCO DE ORO MINE. FEED CAPACITY OF THE FLUORSPAR RECOVERY PLANT IS 3,500 S.T. PER DAY, AND PRODUCES 550 S.T. PER DAY OF FLUORSPAR CONC. SEE SAME SEQ# B OTHER NAME: MINERA FRISCO.
  • DATA FROM PAH REPORT.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method SHRINKAGE METHODS
    Percent Recovery 85
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Number of Shafts 3
    1st Condition of Workings UNKNOWN
    Capacity 2570
    Capacity Units MT ORE/DAY
    Operating Days per Year 312
    Year of Information 1989

Comments on other economic factors

  • DISTANCE TO MATAMORES IS ESTIMATED FROM MAP
  • DISTANCE FROM THE FRISCO MINE TO THE MILL IS 2.4 KM; DISTANCE FROM THE CLARINES AND LA MESA MINES TO THE MILL IS 5 KM.
  • A PLANT WAS BUILT IN 1974 FOR SPAR AND ZINC WHEN IT WAS DECIDED TO RECOVER MORE HIGH GRADE SPAR.

Reference information

Bibliographic references

  • Deposit

    MINING ANALYSIS SYSTEM ECONOMIC PLANNING, RTZ, V. 1, 1975,

  • Deposit

    P. 272.

  • Deposit

    THE WORLD-WIDE DIRECTORY OF MINING AN MINERA PROCESSING

  • Deposit

    OPERATIONS, 1976-77, P. 118.

  • Deposit

    AUG76-GEOLOGIA MINERA Y MITALURGIA DE LOS 7ACIMIENTOS Y MENA

  • Deposit

    LAS MINAS DE SAN FRANCISCO,GRANADENA Y CLARINES SAN FRANC

  • Deposit

    DEL ORO,CHIHUAHUA, NOV 73. ING.J.E ORDONEZ C.,JOAQUIN ECH

  • Deposit

    FRANCISCO JAVIER MOYA, CARLOS A.RABLING. AIME MEXICO PUBL

  • Deposit

    AUG76-MINING COST ANALYSIS SYSTEM,PRIVATE INFORMATION. FEB 2

  • Deposit

    AUG76-EMJ 1975 INTERNATIONAL DIRECTORY OF MINING

  • Deposit

    AUG76-LOS RECURSOS NATURALES NO RENOUABLES DE MEXICO.CRNNR 1

  • Deposit

    MINERA FRISCO, ANNUAL REPORT, 1977, P. 3-30.

  • Deposit

    WALTER SKINNER'S MINING INTERNATIONAL YEARBOOK 1978: FINAN-

  • Deposit

    CIAL TIMES LIMITED, LONDON 1978, 388 P.

  • Deposit

    1980 E/MJ INTERN. DIRECTORY OF MINING, P. 321

  • Deposit

    KOCH, G.S., JR., THE FRISCO MINE, CHIHUAHUA, MEXICO,

  • Deposit

    ECON. GEOL., VOL. 51, NO. 1, JAN.-FEB. 1956, PP. 1-39.

  • Deposit

    PAZOUR, D.A., SAN FRANCISCO DEL ORO AIMS FOR HIGHER

  • Deposit

    PRODUCTIVITY, WORLD MINING, OCT. 1980, PP. 54-59.

  • Deposit

    S.F. DEL ORO: LOTS OF LIFE IN AN OLD DISTRICT, E/MJ,

  • Deposit

    NOV. 1980, 162-163.

General comments

Subject category Comment text
Deposit DATA CONTAINED IN THIS FILE WAS COLLECTED BY DAMES & MOORE UNDER U.S. BUREAU OF MINES CONTRACT NO. JG225010 IN 1983. 1-94: COMPANY CLOSED 3 OF THE 4 MINES FEEDING THE MILL.

Reporter information

Type Date Name Affiliation Comment
Reporter 30-DEC-1994 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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

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