San Miguel Prospect

Occurrence in Oruro, Bolivia with commodities Copper, Silver
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 10005921
MRDS ID BL10114
Record type Site
Current site name San Miguel Prospect
Alternate or previous names Llanquera

Geographic coordinates

Geographic coordinates: -67.73867, -17.98626 (WGS84)
Elevation 4150
Relative position 5 KM W OF LLANQUERA, 71 KM BY ROAD FROM ORURO

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
Silver Primary

Materials information

Materials Type of material
Chalcocite Ore
Malachite Ore
Quartz Gangue

Analytical data

Result ORE ANALYSES BY MURILLO (1960): 4.25% CU 15 G/T AG OVER 3 M
Result 2.15% CU OVER 0.6 M

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
    Rock unit name Coniri
    Rock description Coniri
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene

Nearby scientific data

(1) -67.73867, -17.98626

Economic information

Geologic structures

Type of structure Regional
Structure description Syncline
Type of structure Local
Structure description Post-Mineralization Faults Dislocated Ore

Ore body information

  • General form LENTICULAR
    Strike N 50 E
    Dip 40 SW
    Depth to top 0M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Enrique Morales

Reserves and resources

  • Type In-situ
    Estimate year 1958
    Total resources 325000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 5 wt-pct Copper Major 1958

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 12M

Comments on the workings information

  • ONE SHAFT

Reference information

Bibliographic references

  • Deposit

    MURILLO, J.E., 1960, INFORME SOBRE ORIENTACION TECNICA MINA SAN MIGUEL: DEPARTAMENTO NACIONAL DE GEOLOGIA INFORME DYMM-70, 4P.

  • Deposit

    LOPEZ A., H., 1958, INFORME SOBRE ASISTENCIA TECNICA MINA LLANQUERA: DEPARTAMENTO NACIONAL DE GEOLOGIA INFORME DCMS-16, 2P.

  • Deposit

    GEOLOGICAL INVESTIGATIONS BY GEOBOL (MURILLO, 1960, AND LOPEZ, 1958

  • Other Database

    CIMRI

  • Reserve-Resource

    LOPEZ (1958)

General comments

Subject category Comment text
Deposit ARE SIX MANTOS, LENSE SHAPED, THAT CROP OUT OVER A LENGTH OF 20 KM

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.