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  3. Mineral Resource Data System (MRDS)

Porco

Producer in Cochabamba, Bolivia with commodities Lead, Silver, Zinc
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  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 10182771
MAS/MILS ID 3350100005
Record type Site
Current site name Porco
Alternate or previous names Quioma

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -65.55944, -18.21764 (WGS84)
Elevation 2050
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Cochabamba(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Cochabamba

Commodities

Commodity Importance
Lead Primary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Unknown
Galena Unknown
Pyrite Unknown
Sphalerite Unknown
Tetrahedrite Unknown

Nearby scientific data

Ore Body (1) -65.55944, -18.21764
ListMap

Economic information

Ore body information

  • Thickness 2M
    Area 5HA
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 PYRITIZATION
    Type of Wallrock Alter. #2 PROPYLITIC
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 5
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1550
Mining method Filled Stopes - Horiz Cut and Fill W/Tailings
Year of first production 1550
Milling method Flotation

Mining district

District name Mizque

Mineral rights holdings

Type of mineral rights State Lease
Type of mineral rights Minerals Only

Land status

Ownership category State

Ownership information

  • Type Owner-Operator
    Owner Compania Minera Quioma
    Interest 100
    Home office Bolivia
    Year 1989

Comments on the production information

  • UNITS OF CAPACITY ARE IN MT ORE/YEAR UNITS OF OUTPUT IN MT CONC/YEAR.
  • MOST CONTAINED SILVER IS IN THE LEAD CONCENTRATE.

Comments on the reserve resource information

  • RESERVE BASE NOTES-EXTENDED RESERVES FROM B-H ESTIMATES.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method HORIZ CUT & FILL W/TAILINGS 10-60
    Percent Recovery 100
    Capacity 87000
    Year of Information 1989

Comments on other economic factors

  • UNITS OF CAPACITY ARE IN MT ORE/YEAR.
  • UNITS OF CAPACITY ARE MT ORE/YEAR.

Reference information

Bibliographic references

  • Deposit

    AHLFELD, F., 1954, LOS YACIMIENTOS MINERALES DE BOLIVIA: BAN

  • Deposit

    MINERO DE BOLIVIA, LA PAZ, PG. 172, 197,PRINTED IN BILBAO, S

  • Deposit

    IMPRENTA INDUSTRIAL S. A., IN SPANISH.

General comments

Subject category Comment text
Deposit WAS MAJOR COLONIAL AG MINE, IS ON RIO CAINE 50 KM W OF ALQUI ANTIMONY DISCOVERED IN AREA LATE 1940S AND MINE PRODUCED 50 CONS IN EARLY 1950S. LOCATION FROM AHLFELD MAP, 1954.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-MAR-97 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site