Maria Elena Prospect

Occurrence in Oruro, Bolivia with commodities Gold, Silver
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10005824
MRDS ID BL00003
Record type Site
Current site name Maria Elena Prospect

Geographic coordinates

Geographic coordinates: -68.70341, -19.06929 (WGS84)
Elevation 4800
Relative position 7 KM S10E OF TODOS SANTOS

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

Comments on the location information

  • ON TOP AND WESTERN AND SOUTHERN FLANKS OF CERRO CULEBRA.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Jarosite Gangue
Pyrite Gangue

Alteration

  • (Local) Silicification, Argillization

Analytical data

Result MINTEC: AU VALUES UP TO 0.5 G/MT, MANY ABOVE 0.1 G/MT. AG VALUES LESS THAN 1 PPM. USGS (1990): UP TO 2 G/MT AG, 200 PPM PB, 30 PPM CU

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -68.70341, -19.06929

Economic information

Geologic structures

Type of structure Local
Structure description Opalized Subvolcanic Intrusion In Core Of Stratovolcano; Ne Trending Silicic Sills And Dikes

Ore body information

  • Depth to top 0M

Controls for ore emplacement

  • Breccia Zones

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1987
Discoverer Mintec

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Victor Cortez

Reference information

Bibliographic references

  • Deposit

    MINTEC, 1990, PERSONAL COMMUN

  • Deposit

    EXPLORATION WORK BY MINTEC FROM 1987

  • Deposit

    VISITED BY USGS/GEOBOL PERSONNEL SEPT 1990

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1990 Ludington, Steve L. U.S. Geological Survey
Updater 01-DEC-1990 Ratte, Jim And Gamble, Bruce (Usgs) U.S. Geological Survey

Beyond USGS

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