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Cuatro Amigos Mine

Past Producer in La Paz, Bolivia with commodities Zinc, Lead, Copper
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10006595
MRDS ID BL30161
Record type Site
Current site name Cuatro Amigos Mine

Geographic coordinates

Geographic coordinates: -68.9162, -15.83105 (WGS84)
Relative position 75 KM ACHACACHI

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz
Bolivia La Paz

Comments on the location information

  • MINERALIZATION IS IN THE SE CONTINUATION OF THE VEINS OF THE MATILDE MINE.

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Marcasite Gangue
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -68.9162, -15.83105
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Economic information

Geologic structures

Type of structure Regional
Structure description Anticline

Ore body information

  • Strike N15-40W
    Dip 40-65 NE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner-Operator
    Owner Comibol

Comments on the production information

  • INACTIVE LITTLE DEVELOPED PRODUCER

Comments on the workings information

  • SHORT CROSS-CUTS AND DRIFTS

Reference information

Bibliographic references

  • Deposit

    GUSTAVSON ASSOC., 1992, COMPEDIUM OF TEH ECONOMIC GEOLOGY OF BOLIVIA

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MINERALIZATION OCCURS IN A SYSTEM OF SUBPARALLEL FRACTURES TRENDING NW. THE MAIN VEINS ARE CUATRO AMIGOS (1700 M LONG) AND UNO (340 M LONG). SAMPLING ON SURFACE AND ABANDONED WORKINGS YIELDED 0.25-8.52% ZN AND 0.53-31.9% PB.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1994 Blacutt, William U.S. Geological Survey

Beyond USGS

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

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