Los Pelambres

Producer in Coquimbo, Chile with commodities Copper, Gold, Molybdenum, Rhenium, Silver
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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10279943
MRDS ID W001545
MAS/MILS ID 3370210009
Record type Site
Current site name Los Pelambres
Related records 10068477

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -70.49892, -31.71246 (WGS84)
Elevation 3300
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Coquimbo(province)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Chile Coquimbo

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Molybdenum Primary
Rhenium Secondary
Silver Secondary

Materials information

Materials Type of material
Anhydrite Unknown
Bornite Unknown
Pyrite Unknown
Tourmaline Unknown

Nearby scientific data

Ore Body (1) -70.49892, -31.71246

Economic information

Ore body information

  • Strike N30W
    Dip 20W
    Thickness 253M
    Length 1800M
    Width 400M
    Depth to top 55M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Strike And Dip N30W:20W
    Minimum Depth to Top 40
    Avg. Thick. Unconsol. Mat. 2
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 800605
  • Thickness 400M
    Length 1200M
    Width 1100M
    Area 100HA
    Depth to top 1M
    Field Value
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 BRECCIA FILL
    Shape of Orebody #2 MASSIVE
    Shape of Orebody #3 PIPELIKE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OXIDATION
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 POTASSIC
    Type of Wallrock Alter. #2 SERICITIC
    Type of Wallrock Alter. #3 INTERM ARGILLIC
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 2
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 100
    Date of Last Modification 800605

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1906
Mining method Open Stope - Sublevel
Year of first production 1992
Milling method Flotation

Mining district

District name Llamuco

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner Cia. Minera Los Pelambres Ltda.
    Home office Chile
    Year 1993
  • Type Owner
    Owner Anaconda Chile Ltd.
    Interest 100
    Home office Chile
    Year 1996
  • Type Owner
    Owner Antofagasta Holdings Ltd.
    Interest 100
    Home office United Kingdom
    Year 1995
  • Type Owner
    Owner Lg International
    Home office Korea R
    Year 1995

Reserves and resources

  • Type In-situ
    Estimate year 1979
    Total resources 428000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum Mo 0.033 wt-pct Molybdenum Major 1979
    Copper Cu 0.78 wt-pct Copper Major 1979
  • Type In-situ
    Estimate year 1989
    Measured 37000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.52 wt-pct Copper Major 1989
  • Type In-situ
    Estimate year 1989
    Indicated 124000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.25 wt-pct Copper Major 1989
  • Type In-situ
    Estimate year 1986
    Inferred 3300000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.63 wt-pct Copper Major 1986
  • Type In-situ
    Estimate year 1994
    Demonstrated 45000000mt ore
    Total resources 45000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.4 wt-pct Copper Major 1994
  • Type In-situ
    Estimate year 1995
    Demonstrated 160000000mt ore
    Total resources 160000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.01 wt-pct Copper Major 1995
  • Type In-situ
    Estimate year 1989
    Indicated 124000000mt ore
    Demonstrated 124000000mt ore
    Total resources 124000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.25 wt-pct Copper Major 1989

Comments on the reserve resource information

  • ORE ALSO CONTAINS AN ESTIMATED 56 G/MT RHENIUM. RESERVE OWNERS: ANTOFAGASTRA HOLDINGS LTD.(ANACONDA CHILE SA) (20%), MIDLAND BANK OF THE U.K. (40%), LUCKY GOLDSTAR INTERNATIONAL CORP. (40%). CURRENT MINE PLAN IS CONCENTRATING ON TWO HIGH GRADE ZONES WITH 37 MILLION MT @ 1.52% CU AT 1.2% CU CUTOFF CONTAINED WITHIN A LARGER RESERVE OF 124 M MT @ 1.25% CU USING 1% CU CUTOFF.

Workings at the site

  • Type of workings Surface
    Area 72HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 71
    Avg. Overburden Thickness 35
    Primary Material Cover SAND, GRAVEL
    Percentage 100
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 15
    Max. Pit Slope (degrees) 40
    Capacity 42860
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 25200
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1986
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method SUBLEVEL CAVING 10-75
    Capacity 6170
    Capacity Units MT ORE/DAY
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1986

Reference information

Bibliographic references

  • Deposit

    METALLOGENIC MAP OF CHILE, 1990, P.99 (NO. 121).

  • Reserve-Resource

    WORLD MINING, ANACONDA RETURNS TO CHILE; PELAMBRES WILL BE

  • Reserve-Resource

    MINED, JULY, 1979, P. 71,72.

  • Reserve-Resource

    MINING JOURNAL, AUTOFAGASTA HOLDINGS, 11/14/86, P. 361.

  • Reserve-Resource

    MINING JOURNAL, ADDED CHILEAN SPICE FOR ANTOFAGASTA, 3/17/89

  • Reserve-Resource

    P.223.

  • Reserve-Resource

    MINING JOURNAL, AUTOFAGASTA DEVELOPMENT, 9/1/89, P.179.

  • Reserve-Resource

    AMERICAN METAL MARKET, 9/30/94, P.5.

  • Reserve-Resource

    CRU INTERNATIONAL LTD., COPPER STUDIES, V 23/N 6, 12/95,

  • Reserve-Resource

    P.9,10.

  • Deposit

    SILLITOE, R., 1973, GEOLOGY OF THE LOS PELAMBRES PORPHYRY CO

  • Deposit

    DEPOSIT, CHILE: ECON. GEOL., VOL. 68, NO. 1, P. 1-10.

  • Deposit

    LOWELL, D., 1974, THREE NEW COPPER PORPHYRY MINES FOR CHILE:

  • Deposit

    ENG., 26:11:22-28

  • Deposit

    HOLLISTER, V. F., GEOLOGY OF THE PORPHYRY COPPER DEPOSITS OF

  • Deposit

    THE WESTERN HEMISPHERE: NEW YORK, THE AMERICAN INSTITUTE

  • Deposit

    OF MINING, METALLURGICAL, AND PETROLEUM ENGINEERS, INC.,

  • Deposit

    1978, P. 6, 10, 26.

  • Deposit

    SUTULOV, A., COPPER PORPHYRIES: SAN FRANCISCO, MILLER-

  • Deposit

    FREEMAN PUBLICATIONS, INC., 1975, P. 31-32, 36, 81.

  • Deposit

    RIO TINTO ZINC COST ANALYSIS SYSTEM, PERFORMANCE ANALYSIS:

  • Deposit

    JUNE 10, 1975, P. 138.

  • Deposit

    MINING JOURNAL, CHILEAN COPPER PROPERTY TO BE SOLD: V. 291,

  • Deposit

    NO. 7471, 1978, P. 332.

  • Deposit

    MINING MAGAZINE, CHILE: V. 140, NO. 1, 1979, P. 66.

  • Deposit

    WORLD MINING, COPPER: A FUTURE OF AMPLE AND SECURE SUPPLY:

  • Deposit

    V. 30, NO. 10, 1977, P. 109-111.

  • Deposit

    ENGINEERING AND MINING JOURNAL, HUGE COPPER RESERVES ASSURE

  • Deposit

    CHILE'S POSITION AS WORLD PRODUCER: V. 178, NO. 9, 1977,

  • Deposit

    P. 36, 41.

  • Deposit

    SUTULOV, A., NORMALIZATION OF COPPER PRODUCTION IS KEY TO

  • Deposit

    CHILE'S DRIVE FOR ECONOMIC RECOVERY: ENGINEERING AND

  • Deposit

    MINING JOURNAL, V. 175, NO. 2, 1974, P. 72-75.

  • Deposit

    MINING JOURNAL, CHILE'S COPPER RESOURCES: V. 289, NO. 7407,

  • Deposit

    1977, P. 101.

  • Deposit

    HOLLISTER, V. F., REGIONAL CHARACTERISTICS OF PORPHYRY

  • Deposit

    COPPER DEPOSITS OF SOUTH AMERICA: MINING ENGINEERING,

  • Deposit

    V. 25, NO. 8, 1973, P. 51-54.

  • Deposit

    MINING MAGAZINE, SOUTH AMERICA: CHILE: V. 127, NO. 3,

  • Deposit

    1973, P. 305.

  • Deposit

    WORLD MINING, HIGH COST ENERGY AFFECTS CHILEAN COPPER MINES:

  • Deposit

    V. 29, NO. 6, 1976, P. 42-43.

  • Deposit

    MINING JOURNAL, CHILE: INVESTMENT INTEREST IN COPPER:

  • Deposit

    V. 292, NO. 7481, 1979, P. 5.

  • Deposit

    WORLD MINING, CHILE. V. 31, NO. 13, 1978, P. 77.

  • Deposit

    GEOLOGICAL SOCIETY OF AMERICA MEETINGS, ABSTRACTS WITH PRO-

  • Deposit

    GRAMS: V. 3, NO. 7, 1971, P. 676-677.

  • Deposit

    ENGINEERING & MINING JOURNAL,'CHILE,WHERE MAJOR NEW COPPER

  • Deposit

    OUTPUT CAN MATERIALIZE FASTER THAN ANYPLACE ELSE',NOV.1979

  • Deposit

    PP.69-70.

  • Deposit

    LATIN AMERICAN COMMODITIES REPORT,'CHILE SALE OF LOS

  • Deposit

    PELAMBRES COPPER DEPOSIT UNDER ATTACK', MAY 25,1979

  • Deposit

    VOLUME III, NO.20.

  • Deposit

    SUTULOV, A.,1978 EDITION,CHILEAN MOLYBDENUM RESOURCES:INTER-

  • Deposit

    NATIONAL MOLYBDENUM ENCYCLOPEDIA,INTERMET PUBLICATIONS,P251

  • Deposit

    UNITED NATIONS,1971,INVESTIGACION DETALLADA DE MINERALES

  • Deposit

    EN AREAS SELECCIONADAS DE LAS PROVINCIAS DE ATACAMA Y

  • Deposit

    COQUIMBO: LOS PELAMBRES,PROVINCIA DE COQUIMBO;INFORME

  • Deposit

    TECNICO NO.21,PROGRAMA DE LAS NACIONES UNIDAS PARA

  • Deposit

    PARA EL DESARROLLO-EMPRESA NACIONAL DE MINERIA,

  • Deposit

    NEW YORK, P.300.

  • Deposit

    WORLD MINING; ANACONDA RETURNS TO CHILE, PELAMBRES WILL BE

  • Deposit

    MINED, JULY 1979, P. 71,72.

  • Deposit

    INTERNATIONAL MINING; ANTOFAGASTA AQUIRES COPPER AND GOLD

  • Deposit

    PROSPECTS, 3/86, P. 42.

  • Deposit

    AMM VOL 93, NO. 195 - OCT. 9, 1985.

  • Deposit

    MINING JOURNAL; GROWING COPPER INTERESTS, 11/14/86, P. 361

  • Deposit

    SKILLING'S; ANTOFAGASTA HOLDINGS EXPANDING COPPER AND GOLD

  • Deposit

    PRODUCTION CAPACITY, 6/25/88.

  • Deposit

    MINING JOURNAL; ADDED CHILEAN SPICE FOR ANTOFOGASTA,

  • Deposit

    MARCH 17, 1989.

  • Deposit

    LAML; MIDLAND IN CHILEAN COPPER VENTURES, VOL. 8, NO. 15,

  • Deposit

    8/15/89, P. 5.

  • Deposit

    UNCLASSIFIED DEPARTMENT OF STATE INCOMING TELEGRAM, SEPT.89

  • Deposit

    MINING JOURNAL; DEBT MANAGEMENT CHILEAN STYLE, SEPT. 29,

  • Deposit

    1989.

  • Deposit

    MINING ACTIVITY DIGEST, VOL. 16, NO. 10, 10/31/89, P. 2,3.

  • Deposit

    SKILLING'S; LOS PELAMBRES COPPER AWARDS CONTRACT TO FLUOR

  • Deposit

    DANIEL, 9/8/90, P. 21.

  • Deposit

    MINING MONTHLY; MIDLAND BANK COPPER MINE, 10/89.

  • Deposit

    INTERNATIONAL MINING, 10/89, P. 84.

  • Deposit

    LAML, 5/12/92, VOL. 11, NO. 7, P. 7, 8.

  • Deposit

    MINING JOURNAL, LONDON, MAY, 24, 1991, VOL. 316, NO. 8123,

  • Deposit

    P. 391.

  • Deposit

    E&MJ, 10/91, P. 42.

  • Deposit

    MINING JOURNAL; CHILEAN DEVELOPMENTS, 5/8/92, P. 329.

  • Deposit

    MINING JOURNAL, 10/9/92, P.261.

  • Deposit

    LATIN AMERICAN MINING LETTER, 10/30/92, P.5, VOL.11, NO.18.

  • Deposit

    METALS WEEK, 11/2/92, P.8.

  • Deposit

    MINING JOURNAL, 1/22/93, P.63.

  • Deposit

    METALS WEEK, 1/25/93, P.6.

  • Deposit

    LATIN AMERICAN MINING LETTER, 4/29/93, P.3,4.

  • Deposit

    METALS WEEK, 5/30/94, P.7.

  • Deposit

    LATIN AMERICAN MINING LETTER, 6/30/94, V13/N8-9, P.3,4.

  • Deposit

    MINING JOURNAL, 9/23/94, P.231.

Comments on the references

  • BROOK HUNT & ASSOCIATES, COPPER MINES COST STUDY (1988-1995) VOL.6, LATIN AMERICA, 1991 ED., P.268-277.

General comments

Subject category Comment text
Deposit BECAUSE OF DEPOSIT IN FLOOR OF STEEP GULLY, OPEN-PIT AND LATER BLOCK CAVING WILL BE USED, ROAD IS 83 KM E, FROM SALAMANCA, LAST 36 KM ARE TRAIL.

Reporter information

Type Date Name Affiliation Comment
Reporter 11-MAR-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.