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Porvenir Mine

Past Producer in Oruro, Bolivia with commodities Tin, Arsenic, Zinc, Lead
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Ownership information
  14. Reserves and resources
  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 10006348
MRDS ID BL20349
Record type Site
Current site name Porvenir Mine

Geographic coordinates

Geographic coordinates: -66.69947, -18.38097 (WGS84)
Elevation 4200
Relative position 17 KM S50E OF HUANUNI

Site location context

Political divisions (FIPS codes)

Oruro(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Oruro
Bolivia Oruro

Commodities

Commodity Importance
Tin Critical Primary
Arsenic Critical Tertiary
Zinc Critical Tertiary
Lead Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Galena Ore
Sphalerite 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 > Shale
    Rock unit name Uncia Formation
    Rock description Uncia Formation
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -66.69947, -18.38097
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On E Flank Of Challapacheta Anticline

Ore body information

  • Strike N 30 W
    Dip 75-80 SW

Economic information about the deposit and operations

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

Ownership information

  • Type Owner
    Owner Genaro Frontanilla

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Total resources 169145000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.32 wt-pct Tin Major 1976
  • Type In-situ
    Estimate year 1976
    Total resources 39114000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 1.41 wt-pct Tin Major 1976
  • Type In-situ
    Estimate year 1976
    Total resources 13165000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 1.36 wt-pct Tin Major 1976

Comments on the reserve resource information

  • ORE RESERVES AND DUMPS: (1) POSITIVE; (2) PROBABLE; (3) POSSIBLE

Workings at the site

  • Type of workings Underground
    Overall depth 200M

Comments on the workings information

  • CROSSCUTS AND DRIFTS TO 200 M DEPTH.

Comments on development

  • ECON.COM: SMALL GRAVITY CONCENTRATION MILL

Reference information

Bibliographic references

  • Deposit

    GEOBOL/BANCO MUNDIAL, 1976, ESTUDIO DE PREFACTIBILIDAD MINA PORVENIR CODIGO 208-22-05: GEOBOL INTERNAL REPORT

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit THREE VEIN SYSTEMS, THE MOST IMPORTANT OF WHICH STRIKE N30W. VEIN OUTCROPS ARE UP TO 1500 M LONG AND 0.70 M WIDE. ANOTHER VEIN SET, WITH VEINS UP TO 600 M LONG, PARALLEL TO BEDDING, IS CONFINED TO SANDSTONE BEDS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1993 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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