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Antamina

Prospect in Ancash, Peru with commodities Copper, Molybdenum, 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. Land status
  12. Ownership information
  13. Reserves and resources
  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 10182233
MRDS ID W031400
MAS/MILS ID 3330030002
Record type Site
Current site name Antamina
Related records 60001827

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -77.08305, -9.53127 (WGS84)
Elevation 4200
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Ancash(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Ancash

Commodities

Commodity Importance
Copper Primary
Molybdenum Secondary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Actinolite Unknown
Chalcocite Unknown
Chalcopyrite Unknown
Covellite Unknown
Garnet Unknown
Magnetite Unknown
Molybdenite Unknown
Pyrite Unknown
Rhodochrosite Unknown
Sphalerite Unknown
Wollastonite Unknown
Chalcocite Unknown

Nearby scientific data

Ore Body (1) -77.08305, -9.53127
ListMap

Economic information

Ore body information

  • Strike N45E
    Dip 90W
    Thickness 300M
    Length 1000M
    Width 500M
    Depth to top 25M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 OTHER
    Shape of Orebody #2 OTHER
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control OTHER
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Strike And Dip N45E:90W
    Minimum Depth to Top 15
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 801115
  • Area 150HA
    Field Value
    Total Surface Area (HA) 150
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1850
Mining method Open Pit
Milling method Flotation

Mining district

District name Huari

Land status

Ownership category State

Ownership information

  • Type Owner
    Owner Inment Mining
    Year 1997
    First year 1997
  • Type Owner
    Owner Rio Algom
    Year 1997
    First year 1997
  • Type Owner-Operator
    Owner Minero Peru
    Interest 100
    Home office Peru
    Year 1992
    First year 1992

Comments on the production information

  • ANTAMINA DEPOSIT HAS BEEN EXTENSIVELY MINED (SMALL MINES) AND EXPLORED SINCE THE MIDDLE OF THE 19TH CENTURY AND PROBABLY WELL BEFORE THEN.

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Measured 105000000mt ore
    Indicated 55000000mt ore
    Demonstrated 160000000mt ore
    Total resources 160000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 15.6 g/mt Silver Minor 1981
    Molybdenum Mo 0.04 wt-pct Molybdenum Minor 1981
    Copper Cu 1.42 wt-pct Copper Major 1981
    Zinc Zn 1.1 wt-pct Zinc Major 1981
  • Type In-situ
    Estimate year 1981
    Indicated 104000000mt ore
    Demonstrated 104000000mt ore
    Total resources 104000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 14.9 g/mt Silver Minor 1981
    Molybdenum Mo 0.04 wt-pct Molybdenum Minor 1981
    Copper Cu 1.42 wt-pct Copper Major 1981
    Zinc Zn 1.28 wt-pct Zinc Major 1981
  • Type In-situ
    Estimate year 1991
    Measured 104900000mt ore
    Demonstrated 104900000mt ore
    Total resources 104900000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 13.7 g/mt Silver Minor 1991
    Molybdenum Mo 0.04 wt-pct Molybdenum Minor 1991
    Copper Cu 1.42 wt-pct Copper Major 1991
    Zinc Zn 1.11 wt-pct Zinc Major 1991
  • Type In-situ
    Estimate year 1991
    Indicated 61200000mt ore
    Demonstrated 61200000mt ore
    Total resources 61200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 16.8 g/mt Silver Minor 1991
    Molybdenum Mo 0.04 wt-pct Molybdenum Minor 1991
    Copper Cu 1.09 wt-pct Copper Major 1991
    Zinc Zn 1.08 wt-pct Zinc Major 1991
  • Type In-situ
    Estimate year 1991
    Inferred 78400000mt ore
    Total resources 78400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.84 wt-pct Copper Major 1991
  • Type In-situ
    Estimate year 1997
    Demonstrated 181437000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 13.71 g/mt Silver Minor 1997
    Molybdenum Mo 0.03 wt-pct Molybdenum Minor 1997
    Copper Cu 1.3 wt-pct Copper Major 1997
    Zinc Zn 1.1 wt-pct Zinc Major 1997
  • Type In-situ
    Estimate year 1997
    Demonstrated 181437000mt ore
    Inferred 226796000mt ore
    Total resources 408233000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 13.03 g/mt Silver Minor 1997
    Molybdenum Mo 0.03 wt-pct Molybdenum Minor 1997
    Copper Cu 1.2 wt-pct Copper Major 1997
    Zinc Zn 1.1 wt-pct Zinc Major 1997
  • Type In-situ
    Estimate year 1991
    Demonstrated 166100000mt ore
    Total resources 166100000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 14.9 g/mt Silver Minor 1991
    Molybdenum Mo 0.04 wt-pct Molybdenum Minor 1991
    Copper Cu 1.3 wt-pct Copper Major 1991
    Zinc Zn 1.1 wt-pct Zinc Major 1991

Comments on the reserve resource information

  • RESERVE SOURCE IS PRIVATE REPORT, 1978. TONNAGE REPRESENTS MINEABLE RESERVE WITH PRESENT (1978) PIT DESIGN.
  • PRESENT MINABLE RESERVES OF DEPOSIT Q1C1R1=RR1
  • AMAX PREFEASIBILITY STUDY- GEOMIN FEAS. STUDY, 1979. (12/31/78) MINERAL FOR EXPORT, 3/3/89, P7. (12/31/88)

Workings at the site

  • Type of workings Surface
    Area 50HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BENCH (BERM)
    Percent Waste Rock 75
    Avg. Overburden Thickness 25
    Primary Material Cover M-HARD ROCKS
    Secondary Material Cover HARD ROCKS
    Tertiary Material Cover SAND, GRAVEL
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 15
    Max. Pit Slope (degrees) 45
    Capacity 10000
    Preprod. Stripping Vol. 3753
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 2
    Year of Information 1980
  • Type of workings Surface
    Area 50HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 75
    Avg. Overburden Thickness 25
    Primary Material Cover M-HARD ROCKS
    Secondary Material Cover HARD ROCKS
    Tertiary Material Cover SAND, GRAVEL
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 15
    Max. Pit Slope (degrees) 45
    Capacity 20000
    Capacity Units MT ORE/DAY
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1980

Reference information

Bibliographic references

  • Reserve-Resource

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

  • Reserve-Resource

    PUBS., NEW YORK, 339 PGS.

  • Reserve-Resource

    TERRONES, A., 1958, STRUCTURAL CONTROL OF CONTACT METASOMATI

  • Reserve-Resource

    DEPOSITS IN THE PERUVIAN CORDILLERA: TRANS. AIME, VOL. 211,

  • Reserve-Resource

    NORTH AMERICAN MINING, VOL 1, N4, MAY 1997, P. 20.

  • Deposit

    ASMESHOV, N., AND OTHERS, ANTAMINA PROSPECTING GETTING UNDER

  • Deposit

    ANDEAN-PERUVIAN TIMES, LIMA, PERU, VOL. 34, NO. 1764, P. 27.

  • Deposit

    ENGINEERING AND MINING JOURNAL, 1974, PERU AND RUMANIA TO DE

  • Deposit

    ANTAMINA, NOV., 1974, P. 40.

  • Deposit

    METALS SOURCEBOOK 10/29/73 ITEM (A4804)

  • Deposit

    THE MINERAL INDUSTRY OF PERU MINING MAGAZINE OCT 1974 P 260-

  • Deposit

    DEPOSIT PROFILE; GOLDER ASSOCIATES MARCH 1980

  • Deposit

    FEASIBILITY STUDY BY MINEROPERU (OWNER) AND GEOMIN

  • Deposit

    ,A ROMANIAN STATE AGENCY.STUDY WAS COMPLETED IN 1976.

  • Deposit

    ENGINEERING AND MINING JOURNAL, 3/82, P.43,47.

  • Deposit

    WORLD MINING, 7/82, P.45.

  • Deposit

    LATIN AMERICAN MINING LETTER, 3/3/89, V 8/N 4, P.7.

  • Deposit

    METALS WEEK, 3/6/89, P.8.

  • Deposit

    MINING ACTIVITY DIGEST, 9/92, P.9.

  • Deposit

    ENGINEERING AND MINING JOURNAL, 11/92, P.18.

  • Deposit

    PINCOCK, ALLEN & HOLT, INC., REVIEW OF CURRENT AND POTENTIAL

  • Deposit

    COPPER PRODUCERS, 6/89, P.5.5.1-5.5.6.

  • Deposit

    AMERICAN METAL MARKET, 7/23/92, P.1,12.

  • Deposit

    MINING JOURNAL, 7/24/92, P.57.

  • Deposit

    MINING JOURNAL, SUPPLEMENT 1/22/93, P.5.

  • Deposit

    LATIN AMERICAN MINING LETTER, V 11/N 11-12, 7/31/92, P.1.

  • Deposit

    MINERO PERU, INVESTMENT OPPORTUNITIES, 1991, P.19.

General comments

Subject category Comment text
Deposit EMJ STATES GEOMIN OF RUMANIA IS IN JT. PARTNER WITH MINEROPE GET 49 PCT PROCEEDS. 1973-INSTALLED CAPACITY TO BE 10,000 MTPD OF ORE WITH AN ANN PUT OF 40,000 TPY OF CU AND 40,000 TPY OF ZN. RESERVES EST O 80 MILLION TONS OF 1.3% CU AND 1.5% ZN. A JOINT CO WHICH OWNED 51% BY MINEROPERU AND 49% BY GEOMIN IS TO BE SET UP WI YEAR LIFE AFTER WHICH ALL ASSETS WILL REVERT TO MINEROPERU. 1974-NEW OPERATING CO IS EMPRESSAMINERA ESPECIAL ANTAMINA S

Reporter information

Type Date Name Affiliation Comment
Reporter 12-JUN-97 Porter, Kenneth E. 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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