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  3. Mineral Resource Data System (MRDS)

Milenka Prospect

Occurrence in Oruro, Bolivia with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Alteration
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10005823
MRDS ID BL00001
Record type Site
Current site name Milenka Prospect

Geographic coordinates

Geographic coordinates: -68.82924, -19.01179 (WGS84)
Elevation 5000
Relative position 11 KM W 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

  • CENTERED ON CERRO CURUMAYA

Commodities

Commodity Importance
Gold Tertiary
Silver Tertiary

Alteration

  • (Local) Silicification, Sericitization, Argillization

Analytical data

Result AU VALUES TO 0.2 G/MT. AG VALUES LESS THAN 1 PPM. USGS (1990): UP TO 10 G/MT AG, 50 PPM PB, 50 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
  • 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) -68.82924, -19.01179
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Eroded Core Of Stratovolcano

Controls for ore emplacement

  • Breccia Zone

Comments on the geologic information

  • POSSIBLE SOLFATARIC ALTERATION AND NATIVE S MINERALIZATION

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

    FIELD INVESTIGATIONS, 1990, USGS/GEOBOL

  • Deposit

    EXPLORATION WORK BY MINTEC 1987-1989

  • Deposit

    VISITED BY USGS/GEOBOL SEPT. 3, 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.

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