Antofagasta

Past Producer in La Paz, Bolivia with commodities Tin, 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. Mineral rights holdings
  12. Land status
  13. Ownership information
  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 10158194
MAS/MILS ID 3350200001
Record type Site
Current site name Antofagasta

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -67.29949, -16.84768 (WGS84)
Elevation 4950
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz

Commodities

Commodity Importance
Tin Critical Tertiary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Apatite Unknown
Bismuthinite Unknown
Cassiterite Unknown
Chalcopyrite Unknown
Chlorite Unknown
Pyrite Unknown
Sphalerite Unknown
Tourmaline Unknown
Wolframite Unknown

Nearby scientific data

Ore Body (1) -67.29949, -16.84768

Economic information

Ore body information

  • Strike N50E
    Dip 90N
    Thickness 1M
    Length 300M
    Width 110M
    Area 100HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 SHEAR ZONE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 PROPYLITIC
    Type of Wallrock Alter. #2 SERICITIC
    Strike And Dip N50E:90N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 100
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Year of first production 1919

Mining district

District name Inquivisi

Mineral rights holdings

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

Land status

Ownership category State

Ownership information

  • Type Owner-Operator
    Owner Bolivian Government
    Interest 100
    Home office Bolivia
    Year 1962

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method FILLED STOPES
    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 1
    Capacity Units MT ORE/DAY
    Unit Production Cost 20
    Units of Production $/MT ORE
    Year of Information 1975

Reference information

Bibliographic references

  • Deposit

    STOLL, W. C., 1962, A CONTRIBUTION TO THE GEOLOGY OF THE CAR

  • Deposit

    TIN AND TUNGSTEN MINES, BOLIVIA: ECON. GEOL., V. 57, PP. 536

General comments

Subject category Comment text
Deposit STOLL RPTS. BOL. GOVT. NATIONALIZED MINE IN 1952. GUGGENHEIM OWNED MINE IN 1918. MINE REACHED VIA 90 KM. ROAD FROM EUCALI LA PAZ-ORURO RR. MINE CLOSED PRE 1947.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Ljb U.S. Bureau of Mines

Beyond USGS

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