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  3. Mineral Resource Data System (MRDS)

California Mine

Producer in Potosi, Bolivia with commodity Antimony
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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. Mineral occurrence model information
  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. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10100679
MRDS ID BL30192
Record type Site
Current site name California Mine

Geographic coordinates

Geographic coordinates: -65.65361, -20.67813 (WGS84)
Elevation 2800
Relative position 16 KM N5E OF COTAGAITA.

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Potosi
Bolivia Potosi

Commodities

Commodity Importance
Antimony Critical Primary

Materials information

Materials Type of material
Stibnite Ore
Quartz Gangue

Mineral occurrence model information

Model code 278
USGS model code 36c
Deposit model name Au-Sb vein
Mark3 model number 114

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -65.65361, -20.67813
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Economic information

Geologic structures

Type of structure Regional
Structure description Synclines And Anticlines

Ore body information

  • General form PINCH AND SWELL
    Strike N-S
    Dip 50-80W
    Length 1500M
    Width 0.1M

Comments on the geologic information

  • THE DEPOSIT OCCURS IN ORDOVICIAN SHALES WITH THIN SANDSTONE BEDS, FOLDED INTO TIGHT SYNCLINES AND ANTICLINES, AND CUT BY DIKES WITH SUPERGENE ALTERATION.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner
    Owner Cesar Villegas

Production statistics

  • Year 1975
    Material CON.
    Accuracy Accurate
    Description Ap_Grade: ^60% Sb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Conc. Antimony Antimony 60wt-pct
  • Year 1976
    Material CON.
    Accuracy Accurate
    Description Ap_Grade: ^62% Sb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Conc. Antimony Antimony 62wt-pct

Comments on the reserve resource information

  • (10 POSITIVE; (2) PROBABLE; (3) POSSIBLE; (4) PROSPECTIVE; (5) TAILINGS

Workings at the site

  • Type of workings Underground
    Overall length 201.17M

Comments on the workings information

  • 220 M OF DRIFTS, 220 M OF CROSSCUTS, 57 M SHAFTS.

Reference information

Bibliographic references

  • Deposit

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

  • Other Database

    CIMRI

  • Reserve-Resource

    (1-5) GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit MINERALIZATION IN POCKETS SUBPARALLEL TO THE ANTICLINAL AXIS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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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