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Uchucchacua

Plant in Lima, Peru 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. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10255587
MRDS ID W00226
MAS/MILS ID 3330270019
Record type Site
Current site name Uchucchacua

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -76.79974, -10.66462 (WGS84)
Elevation 4450
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Lima(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Lima

Commodities

Commodity Importance
Lead Primary
Silver Primary
Zinc Critical Primary

Materials information

Materials Type of material
Arsenopyrite Unknown
Barite Unknown
Calcite Unknown
Galena Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -76.79974, -10.66462
ListMap

Economic information

Ore body information

  • Area 10HA
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 MASS SULFIDE
    Shape of Orebody #2 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Type of Wallrock Alter. #1 UNKNOWN
    Total Surface Area (HA) 10
    Date of Last Modification 920716

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1960
Mining method Filled Stopes - Horiz Cut and Fill W/Tailings
Year of first production 1961
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Oyon

Mineral rights holdings

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

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Cia. De Minas Buenaventura Sa
    Interest 100
    Home office Peru
    Year 1992
  • Type Owner
    Owner Benavides/Ganoza Family
    Interest 38
    Home office Peru
    Year 1992
  • Type Owner
    Owner Inv. Mineras El Puente S. A.
    Interest 15.1
    Home office Peru
    Year 1992
  • Type Owner
    Owner Cedimin
    Interest 12.7
    Year 1992
  • Type Owner
    Owner Misc Shareholdes
    Interest 12.1
    Year 1992
  • Type Owner
    Owner Centromin
    Interest 9.4
    Home office Peru
    Year 1992
  • Type Owner
    Owner Int. Finance Corp. (Wrold Bank)
    Interest 5.2
    Year 1992
  • Type Owner
    Owner Victor De La Torre Romero
    Interest 3.5
    Home office Peru
    Year 1992
  • Type Owner
    Owner Cia De Seguros La Fenix
    Interest 1.6
    Home office Peru
    Year 1992
  • Type Owner
    Owner Graciela Arriagada De Otero
    Interest 1.3
    Home office Peru
    Year 1992
  • Type Owner
    Owner Banco De Credito Del Peru
    Interest 1
    Home office Peru
    Year 1992

Comments on the ownership information

  • OWNERSHIP RECORDS 02 TO 11 ARE THE OWNERS OF BUENAVENTURA SA RECORD 01.

Production statistics

  • Year 1980
    Description Ore Production 263000 Mt/Yr
  • Year 1987
    Description Ore Production 326788 Mt/Yr
  • Year 1988
    Description Ore Production 264308 Mt/Yr
  • Year 1989
    Description Ore Production 298898 Mt/Yr
  • Year 1990
    Description Ore Production 292313 Mt/Yr
  • Year 1991
    Description Ore Production 381473 Mt/Yr

Reserves and resources

  • Type In-situ
    Estimate year 1992
    Measured 1446961mt ore
    Indicated 235868mt ore
    Demonstrated 1682829mt ore
    Total resources 1682829mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 0.9 wt-pct Lead Major 1992
    Silver Ag 404.57 g/mt Silver Major 1992
    Zinc Zn 1.4 wt-pct Zinc Major 1992
  • Type In-situ
    Estimate year 1991
    Indicated 625273mt ore
    Demonstrated 625273mt ore
    Total resources 625273mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 1.3 wt-pct Lead Major 1991
    Silver Ag 510.86 g/mt Silver Major 1991
    Zinc Zn 1.8 wt-pct Zinc Major 1991
  • Type In-situ
    Estimate year 1993
    Demonstrated 1670000mt ore
    Total resources 1670000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 1 wt-pct Lead Major 1993
    Silver Ag 341.52 g/mt Silver Major 1993
    Zinc Zn 1.6 wt-pct Zinc Major 1993

Comments on the reserve resource information

  • Q-MATRIX 1 IS EQUAL TO RESOURCE COL 1. Q-MATRIX 3 IS EQUAL TO RESOURCE COL 3.
  • ADIT RESOURCES-AS OF 1991; CAPACITY-AS OF JAN., 1991.

Workings at the site

  • Type of workings Underground
    Length 6996M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method HORIZ CUT & FILL W/TAILINGS 10-60
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    2nd Condition of Workings OPEN
    3rd Condition of Workings OPEN
    Capacity 1272
    Capacity Units MT ORE/DAY
    Operating Days per Year 300
    Operating Shifts per Day 3
    Year of Information 1991

Comments on the workings information

  • OPERATION EMPLOYS 986 PEOPLE.

Reference information

Bibliographic references

  • Reserve-Resource

    SAME REFERENCE AS R-LINES 001-002, BELOW.

  • Reserve-Resource

    SAME REFERENCE AS R-LINES 003-004, BELOW.

  • Reserve-Resource

    THE PERU REPORT'S, "LAS MINAS DEL PERU", "MINES AND MINERS

  • Reserve-Resource

    IN PERU", "UCHUCCHACUA", PAGES 97-98.

  • Reserve-Resource

    1991 CIA DE MINAS BUENAVENTURA S.A. COMPANY REPORT, PAGE 18,

  • Reserve-Resource

    "UCHUCCHACUA".

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE 1993,

  • Reserve-Resource

    P. 39, 44, 49.

  • Deposit

    ENGINEERING AND MINING JR., 1975, INTERN. DIRECTORY OF MININ

  • Deposit

    MCGRAW HILL, N. Y., P. 254.

General comments

Subject category Comment text
Deposit MINE IS LOCATED NEAR THE TOWN OF CHACUA, OYON, LIMA, PERU. 6/27/97--CONFIRMED WITH COUNTRY SPEC. THAT MINE IS PRODUCING.

Reporter information

Type Date Name Affiliation Comment
Reporter 20-JUN-97 Peterson, Gary R. U.S. Bureau of Mines

Beyond USGS

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

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