Jokolluni Mine

Past Producer in La Paz, Bolivia with commodities Silver, Lead, Zinc, Cadmium, Copper, Antimony, Arsenic, Nickel
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10005975
MRDS ID BL10196
Record type Site
Current site name Jokolluni Mine
Alternate or previous names Yokohama, El Zorro, Anaconda

Geographic coordinates

Geographic coordinates: -69.14481, -17.30489 (WGS84)
Elevation 4250
Relative position 7 KM S70E OF BERENGUELA

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia La Paz

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Zinc Critical Tertiary
Cadmium Tertiary
Copper Tertiary
Antimony Critical Tertiary
Arsenic Critical Tertiary
Nickel Critical Tertiary

Materials information

Materials Type of material
Argentite Ore
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Galena Ore
Greenockite Ore
Miargyrite Ore
Proustite Ore
Silver Ore
Sphalerite Ore
Stephanite Ore
Stromeyerite Ore
Tennantite Ore
Calcite Gangue
Pyrite Gangue

Alteration

  • (Local) Weak Pyrite Zone, Sericitization, Kaolinitization

Analytical data

Result ANALYSES BY AHLFELD (1936): 7 TO 12% ZN, 8 TO 11% CD, 26 TO 35% PB, 150 G/T AG, 4% CU, 0.1% SB, 1.6% AS, TR BI, 18.75% S, 16.5% GANGUE.

Mineral occurrence model information

Model code 77
USGS model code 20b
Deposit model name Sn-polymetallic vein

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Mauri
    Rock description Mauri
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Mauri
    Rock description Mauri
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -69.14481, -17.30489

Economic information

Geologic structures

Type of structure Regional
Structure description E-W Fault

Ore body information

  • Depth to top 0M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discoverer Spanish Colonists
Year of last production 1975

Mining district

District name Berenguela

Land status

Ownership category Federal

Workings at the site

  • Type of workings Underground
    Length 80M

Comments on the workings information

  • ONE ADIT, SHAFT, LEACH PADS, MANY PROSPECT PITS.

Comments on development

  • JOKOLLUNI ADIT WAS DRIVEN IN 1931.

Reference information

Bibliographic references

  • Deposit

    SCHNEIDER-SCHERBINA, A., 1962, LOS YAIMIENTOS POLIMETALICOS DE BERENGUELA: GERMAN GEOLOGICAL MISSION TO BOLIVIA REPORT 39, 54P.

  • Deposit

    AHLFELD, F., 1936, DIE ZINK- UND KADMIUMLAGERSTAETTEN VON BERENGUELA, BOLIVIEN: METALL UND ERZ, V. 33

  • Deposit

    AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, 388P.

  • Deposit

    FIELD INVESTIGATIONS, USGS/GEOBOL, 1990

  • Deposit

    INVESTIGATIONS BY GERMAN GEOLOGICAL MISSION (SCHNEIDER-SCHERBINA, 1962)

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit E-W VEIN EXTENDS OVER 600 M, IS 25 CM WIDE, HAS A 5 M ALTERATION HALO.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1990 Long, K.R. U.S. Geological Survey

Beyond USGS

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