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  3. Mineral Resource Data System (MRDS)

Leonor/Tesoro

Plant in Atacama, Chile with commodity Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Ownership information
  9. Reserves and resources
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10304212
MAS/MILS ID 3370090061
Record type Site
Current site name Leonor/Tesoro
Alternate or previous names Leonor, Sorpresa, Santa Carmen, Marietta, El Tesoro Nuevo, Leonor O Anibal

Geographic coordinates

Point of reference Claim
Geographic coordinates: -69.07202, -22.95033 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Atacama(province)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Chile Atacama

Commodities

Commodity Importance
Copper Primary

Nearby scientific data

Claim (1) -69.07202, -22.95033
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Mining method Open Pit
Plant type Leach
Plant subcategory Solvent Extraction-Electrowin
Milling method Leach-Solvent-Extract-Electrowin

Ownership information

  • Type Operator
    Owner Cia. Contractual Minera Leonor
    Home office Chile
    Year 1996
    First year 1996
  • Type Owner
    Owner Equatorial Mining Nl
    Interest 100
    Home office Australia
    Year 1996
    First year 1996
  • Type Unknown
    Owner Orengo Minas Sa (Luksic Group)
    Home office Chile

Reserves and resources

  • Type In-situ
    Estimate year 1994
    Indicated 24000000mt ore
    Demonstrated 24000000mt ore
    Total resources 24000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.6 wt-pct Copper Major 1994
  • Type In-situ
    Estimate year 1994
    Total resources 51000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.5 wt-pct Copper Major 1994
  • Type In-situ
    Estimate year 1994
    Measured 28000000mt ore
    Demonstrated 28000000mt ore
    Total resources 28000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.09 wt-pct Copper Major 1994
  • Type In-situ
    Estimate year 1994
    Indicated 42000000mt ore
    Demonstrated 42000000mt ore
    Total resources 42000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.83 wt-pct Copper Major 1994
  • Type In-situ
    Estimate year 1994
    Demonstrated 28000000mt ore
    Total resources 28000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.8 wt-pct Copper Major 1994
  • Type In-situ
    Estimate year 1994
    Demonstrated 5400000mt ore
    Total resources 5400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.78 wt-pct Copper Major 1994
  • Type In-situ
    Estimate year 1996
    Demonstrated 152000000mt ore
    Total resources 152000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.93 wt-pct Copper Major 1996
  • Type In-situ
    Estimate year 1996
    Total resources 212000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.74 wt-pct Copper Major 1996
  • Type In-situ
    Estimate year 1996
    Demonstrated 152000000mt ore
    Total resources 152000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.93 wt-pct Copper Major 1996

Comments on the reserve resource information

  • PROJECT PLANNED FOR PRODUCTION START BY 1997 FOR AN 11 YEAR LIFE TO PRODUCE 27500 MTPY CATHODE COPPER . CAPITAL COSTS ESTIMATED AT $95 M AND OPERATING COST AT $0.45/LB CU (1992)

Reference information

Bibliographic references

  • Deposit

    MINING JOURNAL, 4-9-93, P. 257.

  • Deposit

    LATIN AMERICAN MINING LETTER, 2/12/93, P. 2.

  • Deposit

    MINING MAGAZINE, APRIL 1993, P. 164.

  • Deposit

    ULRIKSEN G., C., MAPA METALOGENICO DE CHILE, BOLETIN NO. 42,

  • Deposit

    1990, #93, P.43.

  • Reserve-Resource

    PARRY, CHARLES, MINING COPPER IN EQUATORIAL LATITUDES,

  • Reserve-Resource

    AUSTRALIAN MINING, 10/93, P.14,16,18.

  • Reserve-Resource

    LATIN AMERICAN MINING LETTER, 6/30/94, P.4.

  • Reserve-Resource

    AMERICAN METAL MARKET, V 103/N 247, 12/25/95, P.5.

  • Deposit

    LATIN AMERICAN MINING LETTER, LEONOR PRE-FEASIBILITY UPDATE,

  • Deposit

    2/10/92, VOL. 11/ NO. 1, P.2.

  • Deposit

    LATIN AMERICAN MINING LETTER, PLACER TO MANAGE AND FUND

  • Deposit

    LEONOR COPPER OXIDE PROJECT?, 2/10/92, P.6.

  • Deposit

    MINING JOURNAL, PLACER OPTION ON LEONOR, 2/14/92, P.116.

  • Deposit

    MINING JOURNAL, LEONOR ACQUISITION COMPLETED, 8/7/92, P.88.

  • Deposit

    LATIN AMERICAN MINING LETTER, CAPITAL RAISING LEAVES

  • Deposit

    GOLD WITH A$13 MILLION IN CASH, 7/31/92, P.3.

  • Deposit

    AMERICAN METAL MARKET, EQUATORIAL TO MOVE ON CHILE COPPER

  • Deposit

    PROJECT, 10/22/92, P.1.

  • Deposit

    LATIN AMERICAN MINING LETTER, EQUATORIAL BEGINS TEST WORK AT

  • Deposit

    LEONOR, 10/30/92, P.4.

  • Deposit

    METAL BULLETIN, TESTWORK HAS BEEN STARTED ON CHILE'S LEONOR,

  • Deposit

    11/5/92, P.7.

  • Deposit

    LATIN AMERICAN MINING LETTER, EQUATORIAL COULD GO IT ALONE

  • Deposit

    ON LEONOR, 11/14/92, P.3.

  • Deposit

    AUSTRALIAN MINING MONTHLY, HOW TO ACQUIRE A TASTE FOR CHILE,

  • Deposit

    DEC 92/JAN 93, P.15.

  • Deposit

    MINING ACTIVITY DIGEST, CHILEAN COPPER PROJECT PROCEEDS,

  • Deposit

    1/93, P.10,11.

  • Deposit

    ENGINEERING AND MINING JOURNAL, 2/93, P.18.

  • Deposit

    METAL BULLETIN, EQUATORIAL ACQIRES STAKE IN LEONOR, 2/25/93,

  • Deposit

    P.7.

  • Deposit

    MINING JOURNAL, EQUATORIAL MINING - ATACAMA ASPIRATIONS,

  • Deposit

    1/8/93, P.18.

  • Deposit

    BIRD, CHRISTOPHER, EQUATORIAL MINING IMPATIENT OVER LEONOR

  • Deposit

    COPPER PROJECT, METAL BULLETIN, 3/15/93, P.7.

  • Deposit

    LATIN AMERICAN MINING LETTER, EQUATORIAL OPTIONS CRUSHING

  • Deposit

    PLANT, 2/12/93, P.2.

  • Deposit

    LATIN AMERICAN MINING LETTER, EQUATORIAL ACQUIRES ERRIGAL'S

  • Deposit

    LEONOR STAKE, 2/26/93, P.2,3.

  • Deposit

    EQUATORIAL MINING N.L., QUARTERLY REPORT TO MARCH 31, 1993,

  • Deposit

    MINING MAGAZINE, LEONOR- ONE OR TWO COPPER MINES FOR CHILE?,

  • Deposit

    4/93, P.164.

  • Deposit

    LATIN AMERICAN MINING LETTER, PLACER SAYS NO, EQUATORIAL TO

  • Deposit

    GO IT ALONE ON LEONOR, 4/8/93, P.1.

  • Deposit

    MINING JOURNAL, LEONOR: EQUATORIAL GOES IT ALONE, 4/9/93,

  • Deposit

    P.257.

  • Deposit

    METALS WEEK, PLACER DROPS LEONOR PROJECT, 4/12/93, P.4.

  • Deposit

    METAL BULLETIN, PLACER PULLS OUT OF LEONOR DEPOSIT, 4/19/93,

  • Deposit

    P.15.

  • Deposit

    LATIN AMERICAN MINING LETTER, EQUATORIAL IN TALKS ON LEONOR

  • Deposit

    BANKABLE FEASIBILITY STUDY, 4/29/93, P.3.

  • Deposit

    MINING MAGAZINE, EQUATORIAL TO GO ALONE ON LEONOR, CHILE,

  • Deposit

    5/93, P.298.

  • Deposit

    MINING ACTIVITY DIGEST, EQUATORIAL TO DEVELOP COPPER DEPOSIT

  • Deposit

    WITHOUT PLACER DOME, 6/93, P.8,9.

  • Deposit

    MINING JOURNAL, CONTRACT FOR LEONOR BANKABLE STUDY, 8/6/93,

  • Deposit

    P.89.

  • Deposit

    AMERICAN METAL MARKET, EQUATORIAL CONDUCTS STUDY FOR LEACH

  • Deposit

    PROJECT IN CHILE, 8/19/93, P.4.

  • Deposit

    MINING JOURNAL, LEONOR OVERVIEW, 11/5/93, P.314.

  • Deposit

    LATIN AMERICAN MINING LETTER, EQUATORIAL REPORTS LEONOR

  • Deposit

    PROGRESS, 8/25/93, P.2.

  • Deposit

    LATIN AMERICAN MINING LETTER, LEONOR STUDY TO TAKE TO YEAR

  • Deposit

    END?, 11/15/93, P.4.

  • Deposit

    METALS WEEK FOCUS, LEONOR PROJECT SEEKS PARTNER, 12/93, P20.

  • Deposit

    MINING JOURNAL, LEONOR UPDATE, 2/11/94, P.106.

  • Deposit

    LATIN AMERICAN MINING LETTER, EQUATORIAL COMMISSIONS LEONOR

  • Deposit

    PILOT PLANT, 3/4/94, P.6,7.

  • Deposit

    AUSTRALIA'S MINING MONTHLY, GREAT EXPECTATIONS FOR LEONOR,

  • Deposit

    4/94, P.10.

  • Deposit

    LATIN AMERICAN MINING LETTER, 7/29/94, P.5,6.

  • Deposit

    LATIN AMERICAN MINING LETTER, V 14/N 5, 4/10/95, P.5.

  • Deposit

    EQUATORIAL GOLD N.L., 1991 ANNUAL REPORT.

  • Deposit

    EQUATORIAL GOLD N.L., 1992 ANNUAL REPORT, P.3-12.

  • Deposit

    EQUATORIAL GOLD N.L., 1994 ANNUAL REPORT, P.2-8.

  • Deposit

    LATIN AMERICAN MINING LETTER, V 13/N 15, 9/30/94, P.3,4.

  • Deposit

    EQUATORIAL MINING N.L., PROSPECTUS 10/31/94, P.8.

  • Deposit

    AMERICAN METAL MARKET, 12/15/94, P.16.

  • Deposit

    LATIN AMERICAN MINING LETTER, V 13/N 20, 12/16/94, P.5,6.

  • Deposit

    AMERICAN METAL MARKET, V 103/N 1, 1/2/95, P.5.

  • Deposit

    LATIN AMERICAN MINING LETTER, 2/8/95, P.6.

  • Deposit

    ENGINEERING AND MINING JOURNAL, V 196/N 3, P.29.

  • Deposit

    LATIN AMERICAN MINING LETTER, V 13/N 18, P.4.

  • Deposit

    METALS WEEK, 10/10/94, P.6.

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.

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