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  3. Mineral Resource Data System (MRDS)

Huanuni

Plant in Oruro, Bolivia with commodities Tin, 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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Ownership information
  13. Production statistics
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10304051
MAS/MILS ID 3350250028
Record type Site
Current site name Huanuni
Alternate or previous names Mineral Association Company, Penny-Duncan Mining Company

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -66.79947, -18.22764 (WGS84)
Elevation 4200
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Oruro(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Oruro

Commodities

Commodity Importance
Tin Critical Tertiary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Cassiterite Unknown
Marcasite Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Siderite Unknown
Stannite Unknown
Tourmaline Unknown
Wolframite Unknown

Nearby scientific data

Ore Body (1) -66.79947, -18.22764
ListMap

Economic information

Ore body information

  • Strike N60E
    Dip 60S
    Thickness 1M
    Length 300M
    Width 500M
    Area 50HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 PROPYLITIC
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 SERICITIC
    Strike And Dip N60E:60S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 50
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1500
Mining method Open Stope
Year of first production 1884
Plant type Beneficiation (Mill)
Plant subcategory Gravity
Milling method Gravity

Mining district

District name Huanuni District

Mineral rights holdings

Type of mineral rights State Lease
Type of mineral rights Minerals Only

Ownership information

  • Type Owner-Operator
    Owner Bolivian Government Corporacion Minera De Bolivia (Comibol)
    Interest 100
    Home office Bolivia
    Year 1975

Production statistics

  • Year 1969
    Material Ore
    Ore mined 153365mt
    Description Mt Ore/Yr 153365 Mt Ore
  • Year 1970
    Material Ore
    Ore mined 173210mt
    Description Mt Ore/Yr 173210 Mt Ore
  • Year 1971
    Material Ore
    Ore mined 211675mt
    Description Mt Ore/Yr 211675 Mt Ore
  • Year 1972
    Material Ore
    Ore mined 227390mt
    Description Mt Ore/Yr 227390 Mt Ore
  • Year 1973
    Material Ore
    Ore mined 231755mt
    Description Mt Ore/Yr 231755 Mt Ore
  • Year 1974
    Material Ore
    Ore mined 228010mt
    Description Mt Ore/Yr 228010 Mt Ore
  • Year 1975
    Material Ore
    Ore mined 225370mt
    Description Mt Ore/Yr 225370 Mt Ore
  • Year 1976
    Material Ore
    Ore mined 245555mt
    Description Mt Ore/Yr 245555 Mt Ore
  • Year 1977
    Material Ore
    Ore mined 305810mt
    Description Mt Ore/Yr 305810 Mt Ore
  • Year 1978
    Material Ore
    Ore mined 310930mt
    Description Mt Ore/Yr 310930 Mt Ore
  • Year 1979
    Material Ore
    Ore mined 282170mt
    Description Mt Ore/Yr 282170 Mt Ore
  • Year 1980
    Material Ore
    Ore mined 282180mt
    Description Mt Ore/Yr 282180 Mt Ore
  • Year 1981
    Material Ore
    Ore mined 290803mt
    Description Mt Ore/Yr 290803 Mt Ore
  • Year 1982
    Material Ore
    Ore mined 290000mt
    Description 290000 Mt Ore/Yr 1982 Thru1984 Mt Ore
  • Year 1983
    Material Ore
    Ore mined 290000mt
    Description 290000 Mt Ore/Yr 1982 Thru1984 Mt Ore
  • Year 1984
    Material Ore
    Ore mined 290000mt
    Description 290000 Mt Ore/Yr 1982 Thru1984 Mt Ore
  • Year 1985
    Material Ore
    Ore mined 11500mt
    Description Mt Ore/Yr 11500 Mt Ore
  • Year 1986
    Material Ore
    Ore mined 64500mt
    Description Mt Ore/Yr 64500 Mt Ore
  • Year 1987
    Material Ore
    Ore mined 0mt
    Description Mt Ore/Yr 0 Mt Ore
  • Year 1988
    Material Ore
    Ore mined 68473mt
    Description Mt Ore/Yr 68473 Mt Ore
  • Year 1989
    Material Ore
    Ore mined 192368mt
    Description Mt Ore/Yr 192368 Mt Ore
  • Year 1990
    Material Ore
    Ore mined 290000mt
    Description Mt Ore/Yr 290000 Mt Ore
  • Year 2008
    Period 1991 Thru 2008
    Material Ore
    Ore mined 290000mt
    Accuracy Estimate
    Description 290000 Mt Ore/Yr 1991 Thru 2008 Mt Ore

Comments on the reserve resource information

  • ONLY SIGNIFICANT PRODUCER OF HIGH GRADE CONC. NEW TREATMENT PLANT COMMISSIONED 2/88 CAPABLE OF PRODUCING 3,000-3,600 TPY OF SN IN CONC.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OVERHAND 10-38
    Capacity 970
    Capacity Units MT ORE/DAY
    Unit Production Cost 33.84
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 1
    Year of Information 1989
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method OVERHAND 10-38
    Percent Waste Rock 50
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Length of Inclines (m) 0
    Slope of Inclines 0
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity 1320
    Capacity Units MT ORE/DAY
    Unit Production Cost 10
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 1
    Year of Information 1976

Reference information

Bibliographic references

  • Deposit

    TURNEAURE, F. S., 1960, A COMPARATIVE STUDY OF MAJOR ORE DEP

  • Deposit

    OF CENTRAL BOLIVIA, PARTS 1 AND 2: ECON. GEOL., V. 55, PP. 2

  • Deposit

    574-606.

  • Deposit

    AHLFELD, F., 1954, LOS YACIMIENTOS MINERALES DE BOLIVIA: BAN

  • Deposit

    DE BOL., LA PAZ, PG. 47-50, PRTD. IN BILBAO, SPAIN.

  • Deposit

    LOS YACIMENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA,BULL.

  • Deposit

    DEPARTMENTO NACIONAL DE GEOLOGIA,PP 168-169,AHLFIELD FREDERI

  • Deposit

    1971 MINERALS YEARBOOK,INTERNATIONAL AREA REPORTS-BOLIVIA,U

  • Deposit

    BUREAU OF MINES

  • Deposit

    1975-76 E0MJ INT.DIR.

General comments

Subject category Comment text
Deposit AHLFELD STATES OVER 100000 T SN PRODUCED 1880-1954, 1954 PRO 330 TPM SN WITH RESERVES(1952)OF 12000 T SN. MINES IN DISTRI ALL COMIBOL: MARIA FRANCISCA, PORVENIR DE HUANUNI, QUIMSACOY PB, SB, ZN, AG ALSO PRODUCED. LOCATION FROM AHLFELD, 1954. 76-RCD 651-CONC. PLANT IS FLOTATION-GRAVITY SEP. METHODS. PL EMPLOYS 2500-1975.

Reporter information

Type Date Name Affiliation Comment
Reporter 19-NOV-1992 Ljb 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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