Colquechaca

Producer in Oruro, Bolivia with commodities Lead, Silver, Tin, Zinc
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. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10231409
MAS/MILS ID 3350250023
Record type Site
Current site name Colquechaca

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -66.02025, -18.69512 (WGS84)
Elevation 4450
Location accuracy 10(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
Lead Tertiary
Silver Tertiary
Tin Critical Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Ankerite Unknown
Apatite Unknown
Arsenopyrite Unknown
Bismuth Unknown
Bismuthinite Unknown
Cassiterite Unknown
Fluorite Unknown
Galena Unknown
Jamesonite Unknown
Marcasite Unknown
Polybasite Unknown
Pyrargyrite Unknown
Pyrite Unknown
Quartz Unknown
Silver Unknown
Sphalerite Unknown
Stannite Unknown
Stephanite Unknown

Nearby scientific data

Ore Body (1) -66.02025, -18.69512

Economic information

Ore body information

  • Strike N20W
    Dip 00N
    Thickness 0.2M
    Length 1500M
    Width 500M
    Area 100HA
    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
    Secondary mode of Origin OXIDATION
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 PROPYLITIC
    Type of Wallrock Alter. #2 CARBONATE SILIC
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N20W:00N
    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 Producer
Commodity type Metallic
Significant No
Discovery year 1700

Mining district

District name Colquechaca

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 Corp. Minera De Bolivia
    Interest 100
    Home office Bolivia
    Year 1954

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    MINERO DE BOLIVIA, LA PAZ, PG. 86-89 PRINTED IN BILBAO, S

  • Deposit

    IMPRENTA INDUSTRIAL S. A., IN SPANISH.

General comments

Subject category Comment text
Deposit ALL MINES IN SMALL DISPLACEMENT VEINS IN CIRCULAR 5 KM DIAMETER. ZONING PRONOUNCED WITH SN VEINS IN CENTER MINED AT HUAYNACUC AND ALIADA MINE. TO SOUTH ARE AG MINES OF GALLOFA AND EMBUDO, AN ARE AG-BI-CU-AS-PB VEINS OF NUEVA VERDUN MINE. ALIADA VEINS LESS THAN 0.3 M WIDE, HUAYNACUCHO VEINS UP TO 1.0 M WIDE, 12 LONG AND PASSES TO ZNS AT 400 M DEPTH, THE GALLOFA AND EMBU IS EXPLOITED FOR 2000 M LONG, 550 M DEEP. DISTRICT DISCOVERE 1600 , GALLOFA AND EMBUDO MINES CLOSED PRE 1925. SN PROD. BE 1912, BY 1954 ONLY ZN-PB-AG-SN PILLARS IN OLD MINES WERE BEI MINED. ALL ABOVE DATA FROM AHLFELD. FUTURE OF DISTRICT BLEAK 76-EMPRESSA MIHERA COLQUECHACA PROD. SN&AG CONC. USING FL &GRAVITY SEPERATION

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.