Cobra Mine

Past Producer in Potosi, Bolivia with commodities Bismuth, Gold, Silver, 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. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10006390
MRDS ID BL20409
Record type Site
Current site name Cobra Mine

Geographic coordinates

Geographic coordinates: -66.21613, -18.14764 (WGS84)
Elevation 4000
Relative position 9 KM S70W OF TORACARI

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

Comments on the location information

  • 102 HA CONCESSION

Commodities

Commodity Importance
Bismuth Critical Primary
Gold Primary
Silver Primary
Copper Secondary

Materials information

Materials Type of material
Bismuthinite Ore
Gold Ore
Stromeyerite Ore
Barite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name La Puerta;
    Rock description La Puerta;
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -66.21613, -18.14764

Economic information

Ore body information

  • Strike N 60 E
    Dip 70 SE

Comments on the geologic information

  • HOST ROCK STRIKES N 25 W DIPS 75 NE.

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
    Owner Julio Gomez Flores

Workings at the site

  • Type of workings Underground
    Overall depth 45M

Comments on the workings information

  • DEVELOPMENT ON 3 MAJOR LEVELS BY MEANS OF CROSSCUTS AND DRIFTS 100-120 M LONG, AND SHAFTS. FOUR SMALL SLOPES BELOW THE MAIN LEVEL.

Reference information

Bibliographic references

  • Deposit

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

General comments

Subject category Comment text
Deposit VEINS UP TO 0.6 M WIDE. DISSEMINATED MINERALIZATION IN WALL ROCK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1991 Andre, Orlando Servicio Geologic de Bolivia

Beyond USGS

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