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Cuprita Mining Group

Producer in Oruro, Bolivia with commodity 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. 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. Land status
  14. Ownership information
  15. Reserves and resources
  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 10005922
MRDS ID BL10116
Record type Site
Current site name Cuprita Mining Group
Alternate or previous names Claims: Malaquita, Chrysacolla, Torito, Cuprita, Aura, Ayahuasa

Geographic coordinates

Geographic coordinates: -68.06394, -18.26292 (WGS84)
Elevation 3860
Relative position 16 KM S50E OF TURCO

Site location context

Political divisions (FIPS codes)

Oruro(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia Oruro

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Cuprite Ore

Analytical data

Result ORE ASSAYS: 3.36 TO 14.75% CU OVER 120 TO 400 CM.

Mineral occurrence model information

Model code 197
USGS model code 30b
Deposit model name Sediment-hosted Cu
Mark3 model number 63

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
    Rock unit name Azurita
    Rock description Azurita

Nearby scientific data

(1) -68.06394, -18.26292
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Continuity Of Ore Disrupted By Faulting

Ore body information

  • General form LENTICULAR
    Strike NNW
    Dip 40 NE
    Thickness 5M
    Length 1000M
    Depth to top 0M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Cia. Cuprifera Carangas

Reserves and resources

  • Type In-situ
    Estimate year 1958
    Total resources 10000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 2.5 wt-pct Copper Major 1958

Comments on the reserve resource information

  • GROSS ESTIMATES. TSCHANZ IN A 1963 MEMO CITES POTENTIAL RESERVES OF UP TO OR EVEN LARGER THAN 25 MILLION MT OF 1.5% OR BETTER CU.

Workings at the site

  • Type of workings Underground
    Length 4560M
    Overall depth 50M

Comments on the workings information

  • TRENCHES, ADITS, AND SHAFTS. AURA CLAIM: 2 MANTOS WORKED BY AN 1800 M TRENCH. AYAHUASA CLAIM: PROSPECT PITS. CUPRITA CLAIM: 1200 M TRENCH, 800 M ADIT. MALAQUITA CLAIM: 1500 M TRENCH, 600 M ADIT. TORITO CLAIM: SHORT ADIT.

Comments on development

  • MITSUBISHI HAD AN OPTION TO PURCHASE IN EARLY 60'S. PROPERTY DROPPED AFTER CONSIDERABLE DRILLING DUE TO POLITICAL CONSIDERATIONS.

Reference information

Bibliographic references

  • Deposit

    GEORGI, H.M., 1958, INFORME DE ASISTENCIA TECNICA MINA CARANGAS: DEPARTAMENTO NACIONAL DE GEOLOGIA INFORME DCMS-37, 4P.

  • Deposit

    MURILLO, J.E.,, ET AL, 1969, VALUACION DE YACIMIENTOS DE ANTIMONIO Y COBRE: SERVICIO GEOLOGICO DE BOLIVIA INFORME V-016, 55P., MAPS 1:500; 1:2,000.

  • Deposit

    GEOLOGICAL INVESTIGATIONS BY GEORGI (1958)

  • Deposit

    VISITED BY USGS/GEOBOL PERSONNEL 1990

  • Reserve-Resource

    GEORGI (1958); MURILLO ET AL (1969)

General comments

Subject category Comment text
Deposit PREHISTORIC CU MINE NEARBY ; INFO.SRC : 2 UNPUB REPT
Deposit DEPOSITS ARE LENSES 5 TO 50 M IN DIAMETER SPACED 50 TO 300 M APART. AZURITA CLAIM MINERALIZED OVER 1500 M, AYAHUASA CLAIM OVER 1000 M, CUPRITA CLAIM OVER 2600 M, MALAQUITA CLAIM OVER 1300 M, TORITO CLAIM OVER 500 M. MAIN ORE IN CONGLOMERATE (WITH COBBLES OF GRANITE, SYENITE, GNEISS) AS CUPRITE/CU OXIDE CEMENT. MINOR NATIVE CU/CU OXIDE MINERALIZATION IN SANDSTONE.

Reporter information

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

Beyond USGS

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

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