Kami

Producer in Cochabamba, Bolivia with commodity Tungsten
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. Ownership information
  12. Production statistics
  13. Reserves and resources
  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 10255141
MAS/MILS ID 3350100007
Record type Site
Current site name Kami
Alternate or previous names Kami Mine, Lagurni Claims, Distrito, Kami Claims

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -66.83278, -17.38097 (WGS84)
Elevation 3380
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Cochabamba(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Cochabamba

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Wolframite Unknown

Nearby scientific data

Ore Body (1) -66.83278, -17.38097

Economic information

Ore body information

  • Strike N60E
    Dip 05W
    Thickness 850M
    Width 1M
    Area 2531HA
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control IGNEOUS
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 SILICIFICATION
    Strike And Dip N60E:05W
    Total Surface Area (HA) 2531
    Date of Last Modification 920729

Comments on the geologic information

  • AREA OF MINERALIZATION IS ABOUT 21.7 SQUARE KILOMETERS. TIN MINERALIZATION OCCURS IN THE PERIPHERAL AREA AROUND THE TUNGSTEN-RICH HORNFELS.
  • WOLFRAMITE-RICH QUARTZ VEINS HAVE AUXILLIARY ARSENOPYRITE, PYRITE, PYRRHOTITE, TOURMALINE AND SIDERITE. THE SULFIDE MINERALS INCREASE SIGNIFICANTLY WITH DEPTH.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Open Stope - Overhand
Year of first production 1908
Milling method Gravity

Mining district

District name Ayopaya

Ownership information

  • Type Owner
    Owner Corporacion Minera De Bolivia
    Interest 100
    Home office Bolivia
    Year 1992
  • Type Operator
    Owner Cooperativa Minera "El Progreso" Kami Ltda.
    Interest 100
    Home office Bolivia
    Year 1992

Comments on the ownership information

  • LEASED TO AND OPERATED BY MINEWORKERS COOPERATIVE, OWNED BY COMIL IBOL

Production statistics

  • Year 1980
    Description 70% Wo3 1049 Annual Conc. Output
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Conc. Tungsten Tungsten 70wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1992
    Demonstrated 6223mt ore
    Inferred 68306mt ore
    Total resources 270398mt ore
    Commodity Subtype Grade units Group Importance Year
    Tungsten Wo3 0.97 wt-pct Tungsten Major 1992

Comments on the reserve resource information

  • ROSKILL INFORMATION SERVICES LTD: THE ECONOMICS OF TUNGSTEN 1990. SIXTH ED.
  • RESOURCES AS OF 1/83

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN STOPE
    1st Condition of Workings OPEN
    Capacity 378
    Capacity Units MT ORE/DAY
    Unit Production Cost 40
    Units of Production $/MT ORE
    Operating Days per Year 302
    Operating Shifts per Day 3
    Year of Information 1982

Reference information

Bibliographic references

  • Reserve-Resource

    LAML TOPICAL SUPPLEMENT FOR NOV. 7, 1985. P 4.

  • Reserve-Resource

    ROSKILL INFORMATION SERVICES LTD.; THE ECONOMICS OF TUNGSTEN

  • Reserve-Resource

    6'TH EDITION 1990. P 48.

  • Reserve-Resource

    COMPENDIUM OF THE ECONIMIC GEOLOGY OF BOLIVIA, 1992; PUB. BY

  • Reserve-Resource

    THE MINISTRY OF MINES AND METALLURGY, LA PAZ, BOLIVIA.

  • Deposit

    COMBOL (KAMI) INTERNAL REPORTS, JULY, 1980 AND JAN 1971,

  • Deposit

    (IN SPANISH)

  • Deposit

    COMPARATIVE TABULATION OF RESERVES (1954-1957 AND 1969-1977)

  • Deposit

    CAMIBOL (SPANISH)

  • Deposit

    DETAILS OF RESERVE BLOCKS OF MEASURED AND INDICATED ORE-

  • Deposit

    DEC. 31, 1977 (CAMIBOL) (SPANISH)

General comments

Subject category Comment text
Deposit MINING AND MILLING METHODS ARE PRIMATIVE AND ORE RECOVERY IS ONLY ABOUT 40%.

Reporter information

Type Date Name Affiliation Comment
Reporter 17-APR-1995 Bleiwas, Donald U.S. Bureau of Mines

Beyond USGS

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