Don Juan Mine

Producer in La Paz, Bolivia with commodities Zinc, Lead, Silver, Gold, Copper
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. Mining district
  14. Ownership information
  15. Production statistics
  16. Reserves and resources
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10100651
MRDS ID BL20147
Record type Site
Current site name Don Juan Mine

Geographic coordinates

Geographic coordinates: -67.23338, -17.111 (WGS84)
Elevation 3900
Relative position 7 KM N50W OF ICHOCA.

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

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Silver Primary
Gold Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Pyritization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Santa Vera Cruz Batholith
    Rock description Santa Vera Cruz Batholith
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Llallagua
    Rock description Llallagua
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -67.23338, -17.111

Economic information

Geologic structures

Type of structure Regional
Structure description Santa Vera Cruz Syncline
Type of structure Local
Structure description Dikes

Ore body information

  • General form TABULAR
    Strike N 75 W
    Dip 85 NW

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Santa Vera Cruz

Ownership information

  • Type Operator
    Owner Stevenson, Guillermo
  • Type Owner
    Owner Cossio, Oscar

Production statistics

  • Year 1983
    Material CONS
    Accuracy Estimate
    Description Ap_Grade: ^27% Zn, 25% Pb, 760 G/Mt Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Conc. Zinc Zinc 27wt-pct
    Conc. Silver Silver 760g/mt
    Major Conc. Lead Lead 25wt-pct

Comments on the production information

  • TWO MONTHS PRODUCTION ONLY.

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 6000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 12.7 wt-pct Zinc Major 1983
    Lead Pb 12.75 wt-pct Lead Major 1983
    Silver Ag 444 g/mt Silver Major 1983
    Gold Au 2.42 g/mt Gold Minor 1983

Workings at the site

  • Type of workings Underground
    Length 50M
    Overall depth 20M

Comments on the workings information

  • MINE IS UNDER DEVELOPMENT.

Comments on development

  • TOTAL$: 168 ; ECON.YEAR: 1984 ; MILL.CAP : 6000 MT

Reference information

Bibliographic references

  • Deposit

    VIA, A., SALVADOR, N., AND AVENDANO, A., 1984, PROYECTO DE SEMIMECANIZACION MINA DON JUAN: GEOBOL INFORME.

  • Deposit

    GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA.

  • Other Database

    CIMRI

  • Production

    VIA AND OTHERS (1984)

General comments

Subject category Comment text
Deposit TWO VEINS: (1) 30 M LONG, AVERAGES 0.6 M THICK; (2) 20 M LONG AVERAGES 0.4 M THICK.
Deposit DUPLICATE RECORD BL30157 HAS BEEN DELETED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1991 Cardenas, Nestor Servicio Geologic de Bolivia
Updater 01-SEP-1993 Long, Keith R. U.S. Geological Survey
Updater 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.