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Yauricocha

Plant in Lima, Peru with commodities Copper, Gold, 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. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10239422
MRDS ID W002041
MAS/MILS ID 3330270016
Record type Site
Current site name Yauricocha
Alternate or previous names Yauriococha
Related records 10068790

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -75.71641, -12.39785 (WGS84)
Elevation 4654
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Lima(province)

Peru(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Peru Lima

Commodities

Commodity Importance
Copper Primary
Gold Primary
Lead Primary
Silver Primary
Zinc Critical Primary

Materials information

Materials Type of material
Bornite Unknown
Chalcocite Unknown
Chalcopyrite Unknown
Covellite Unknown
Enargite Unknown
Galena Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown
Tennantite Unknown

Nearby scientific data

Ore Body (1) -75.71641, -12.39785
ListMap

Economic information

Ore body information

  • Thickness 100M
    Length 400M
    Area 50HA
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 BRECCIA FILL
    Shape of Orebody #1 PIPELIKE
    Type of Orebody #2 FISSURE VEIN
    Shape of Orebody #2 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin METAMORPHISM
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 PYRITIZATION
    Type of Wallrock Alter. #2 ADV ARGILLIC
    Type of Wallrock Alter. #3 SERICITIC
    Strike And Dip N25W:
    Total Surface Area (HA) 50
    Date of Last Modification 920903

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1862
Mining method Filled Stopes - Inclined Cut and Fill
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Alis

Mineral rights holdings

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

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Empresa Minera Del Centro Del Peru (Centromin)
    Interest 100
    Home office Peru
    Year 1989

Comments on the production information

  • PRODUCED 880,158 OZ OF SILVER IN 1988. COSTS COMBINED W/ OTHER MINES IN BH. CRU ZINC MONITOR SEPTEMBER 1996 STATES THAT CURRENT PRODUCTION IS 15K ZINC AND 7K LEAD. BEING PUT UP FOR AUCTION-MIN $10M- $18M MIN INVEST IN FIRST 3 YEARS.
  • PURSER STATES PREVIOUS ORE GRADES AS GIVEN RECORD A-10, BUT MINING LOWER GRADE-LARGER TONNAGE PB-ZN OREBODY. PETERSEN RPT GOOD FOR GEOLOGY. 76-RCD 601-CU,PB,ZN,GRADES OF 1.4%,2.1%,4.2% ARE ACTUAL 1974 GRADES,EMJ INT.DIRECTORY

Reserves and resources

  • Type In-situ
    Estimate year 1990
    Measured 2897420mt ore
    Demonstrated 2897420mt ore
    Total resources 2897420mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.9 wt-pct Copper Major 1990
    Zinc Zn 4.6 wt-pct Zinc Major 1990
    Silver Ag 130.286 g/mt Silver Major 1990
    Lead Pb 2.5 wt-pct Lead Major 1990
  • Type In-situ
    Estimate year 1992
    Demonstrated 2900000mt ore
    Inferred 4500000mt ore
    Total resources 7400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1 wt-pct Copper Major 1992
    Zinc Zn 6.8 wt-pct Zinc Major 1992
    Silver Ag 175 g/mt Silver Major 1992
    Lead Pb 3.5 wt-pct Lead Major 1992

Comments on the reserve resource information

  • DATA FROM PAH REPORT.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method COMBINED METHODS
    Percent Recovery 100
    Capacity 1267
    Capacity Units MT ORE/DAY
    Operating Days per Year 300
    Operating Shifts per Day 2
    Year of Information 1989

Reference information

Bibliographic references

  • Reserve-Resource

    CRU ZINC MONITOR-SEPTEMBER 1996-LAST PAGE

  • Reserve-Resource

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

  • Reserve-Resource

    PERU", PP. 141, 142.

  • Deposit

    PURSER, W. F., 1971, METAL-MINING IN PERU, PAST AND PRESENT:

  • Deposit

    PRAEGER PUBS., NEW YORK, 339 PGS.

  • Deposit

    PETERSEN, U., 1965, REGIONAL GEOLOGY AND MAJOR ORE DEPOSITS

  • Deposit

    CENTRAL PERU: ECON. GEOL. VOL. 60, NO. 3, P. 407.

  • Deposit

    HALEY, D., 1974, PERU-A SPECIAL RPT.: MINING ENG., AIME, N.

  • Deposit

    JAN., 1974, P. 17

  • Deposit

    1975 EMJ INTERNATIONAL DIRECTORY,MCGRAW-HILL PUB.,PAGE 257

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.

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