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  3. Mineral Resource Data System (MRDS)

Granada Mine

Past Producer in Potosi, Bolivia with commodity Manganese
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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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Land status
  14. Ownership information
  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 10005910
MRDS ID BL10099
Record type Site
Current site name Granada Mine

Geographic coordinates

Geographic coordinates: -68.262, -20.12259 (WGS84)
Elevation 3730
Relative position 4 KM S25E OF CANQUELLA, 625 KM BY ROAD FROM LA PAZ

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia Potosi

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore
Wad Ore

Alteration

  • (Local) Silicification

Analytical data

Result GRAB SAMPLE ANALYSIS BY DONOSO (1959): 41.60% MN 45.76% SIO2 2.34% FE203 0.155%

Mineral occurrence model information

Model code 156
USGS model code 25g
Deposit model name Epithermal Mn

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite

Nearby scientific data

(1) -68.262, -20.12259
ListMap

Economic information

Ore body information

  • Dip VERTICAL
    Depth to top 0M

Comments on the geologic information

  • CONGLOMERATE INCLUDES CLASTS OF CHALCEDONY AND ALTERED VOLCANICS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Quezada, A.

Comments on the reserve resource information

  • 500 TO 1000 MT MINERALIZATION IN SIGHT

Workings at the site

  • Type of workings Surface
    Overall length 109.73M
    Overall width 10M

Comments on the workings information

  • SEVERAL SHALLOW PITS

Comments on development

  • WORKED ON A SMALL SCALE DURING LATE 1960'S TO EARLY 1970'S

Reference information

Bibliographic references

  • Deposit

    DONOSO L., G., 1959, VIAJE DE ORIENTACION TECNICA CONCESION GRANADA: DIRECCION NACIONAL DE GEOLOGIA INFORME DYMM-38, 4P

  • Deposit

    FIELD INVESTIGATIONS 1990 BY USGS (ORRIS, ASHER-BOLINDER) AND GEOBOL (SORIA, ENRIQUEZ)

  • Deposit

    GEOLOGICAL INVESTIGATIONS BY DONOSO (1959)

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MANGANESE OXIDES CEMENT BRECCIA ALONG A NEAR-VERTICAL VEIN. AT THE SOUTHEAST EDGE OF THE WORKINGS A ZONE (25 BY 25 M) OF DISSEMINATED PYROLUSITE AND WAD OCCURES IN RHYOLITE-RHYODACITE. ORE ALSO OCCURS AS SURFACE CRUSTS OF COLLOIDAL MN OXIDES AND AS CEMENT IN SANDY CONGLOMERATE.

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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