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  3. Mineral Resource Data System (MRDS)

Paramillo Sur

Plant in San Juan, Argentina with commodities Copper, Gold, Molybdenum
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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. 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 10231116
MAS/MILS ID 3570330001
Record type Site
Current site name Paramillo Sur

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -69.13277, -32.24746 (WGS84)
Elevation 2950
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

San Juan(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina San Juan

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Molybdenum Secondary

Materials information

Materials Type of material
Chalcocite Unknown
Chalcopyrite Unknown
Covellite Unknown
Gold Unknown
Molybdenite Unknown

Nearby scientific data

Ore Body (1) -69.13277, -32.24746
ListMap

Economic information

Ore body information

  • Thickness 200M
    Length 1800M
    Width 800M
    Depth to top 70M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 STOCKWORK
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 ADV ARGILLIC
    Type of Wallrock Alter. #2 PROPYLITIC
    Type of Wallrock Alter. #3 OTHER
    Minimum Depth to Top 60
    Date of Last Modification 810227
  • Area 150HA
    Field Value
    Total Surface Area (HA) 150
    Date of Last Modification 910418

Comments on the geologic information

  • HOST ROCK IS A "MONZODIORITE" STOCK.INTRUSIVE INTO TRIASSIC SEDIMENTS-RIO BLANCO FM(CLAYSTONE, SANDSTONE),CACHEUTA FM. (BLACK SHALE,SANDSTONE), PORTRERILLO FM. (SANDSTONE, MUDSTONE), + LAS CABRAS FM. (CONGLOM., SANDSTONE).

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1970
Mining method Open Pit
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Mendoza

Mineral rights holdings

Type of mineral rights State Lease

Ownership information

  • Type Owner-Operator
    Owner Fabricationes Militares (Argentine Government)
    Interest 100
    Home office Argentina
    Year 1980

Comments on the production information

  • PRODUCT, A 30% CU CONC., IS ASSUMED TO BE TRUCKED TO THE SMELT/REF COMPLEX AT BARREAL,ARG. THIS COMPLEX WILL BE CONSTRUCTED AS PART OF THE PACHON PROJECT.

Reserves and resources

  • Type In-situ
    Estimate year 1988
    Indicated 186000000mt ore
    Demonstrated 186000000mt ore
    Total resources 186000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.58 wt-pct Copper Major 1988
  • Type In-situ
    Estimate year 1988
    Indicated 33000000mt ore
    Demonstrated 33000000mt ore
    Total resources 33000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.93 wt-pct Copper Major 1988
  • Type In-situ
    Estimate year 1988
    Indicated 186000000mt ore
    Demonstrated 186000000mt ore
    Total resources 186000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.58 wt-pct Copper Major 1988

Comments on the reserve resource information

  • NATIVE GOLD PRESENT BUT NO INFORMATION AVAILABLE ON CONTENT. RESERVE SOURCE IS PERSONAL COMMUNICATION, GOLDER ASSOCIATES. FURTHER EXPLORATION COULD IMPROVE GRADE. DEPOSIT CONSIDERED IN PRELIMINARY EXPLORATION STAGE ONLY.FULL NAME IS DIRECCION GENERAL DE FABRICATIONES MILITARES (GOVERNMENT).
  • LAML, 6/30/88, P3.

Workings at the site

  • Type of workings Surface
    Area 144HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BENCH (BERM)
    Percent Waste Rock 64.9
    Avg. Overburden Thickness 70
    Primary Material Cover SAND, GRAVEL
    Percentage 10
    Secondary Material Cover M-HARD ROCKS
    Percentage 90
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 15
    Max. Pit Slope (degrees) 45
    Capacity 26570
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 26948
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 7
    Year of Information 1980
  • Type of workings Surface
    Area 144HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method BENCH (BERM)
    Percent Waste Rock 64.9
    Avg. Overburden Thickness 70
    Primary Material Cover SAND, GRAVEL
    Percentage 10
    Secondary Material Cover M-HARD ROCKS
    Percentage 90
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 15
    Max. Pit Slope (degrees) 45
    Capacity 26570
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 26948
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1987

Reference information

Bibliographic references

  • Reserve-Resource

    LATIN AMERICAN MINING LETTER, 6/30/88, VOL.7, NO.12, P 3

  • Deposit

    BOWEN, R., AND GUNATILAKA, A., COPPER: ITS GEOLOGY AND

  • Deposit

    ECONOMICS: NEW YORK, JOHN WILEY AND SONS, 1977, 366 P.

  • Deposit

    HOLLISTER, V. F., REGIONAL CHARACTERISTICS OF PORPHYRY

  • Deposit

    COPPER DEPOSITS OF SOUTH AMERICA: MINING ENGINEERING,

  • Deposit

    V. 25, NO. 8, 1973, P. 52-53.

  • Deposit

    WORLD MINING, WHAT'S GOING ON IN WORLD MINING: ARGENTINA:

  • Deposit

    THREE LARGE DISSEMINATED COPPER DEPOSITS BEING DRILLED:

  • Deposit

    V. 4, NO. 1, 1968, P. 37.

  • 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, 219 P.

  • Deposit

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

  • Deposit

    FREEMAN PUBLICATIONS, INC., 1975, 206 P.

  • Deposit

    GOLDER DEPOSIT REPORT "PARAMILLO SUR ARGENTINA"

  • Deposit

    MARCH 1980.

  • Deposit

    EL PACHON ARGENTINA DEPOSIT EVALUATION FILE.

  • Deposit

    STRAAM COST ESTIMATING SYSTEM FILE NAME "CARASUR"

  • Deposit

    LATIN AMERICAN MINING LETTER, 11/25/86, VOL.5, NO.22, P 3

  • Deposit

    MINING JOURNAL, 7/8/88, P 26

General comments

Subject category Comment text
Deposit THE PARAMILLOS NORTE DEPOSIT IS LOCATED NEAR PARAMILLOS SUR. AT PARAMILLOS NORTE, DRILLING HAS DISCLOSED AN EXTENSIVE OX- IDIZED ZONE CAPPING A DISSEMINATED SULFIDE DEPOSIT. A SECTION 47 M THICK ASSAYED 1.85% CU.COPPER MINERALS AT PRAMILLO NORTE ARE CUPRITE AND A CU-FE OXIDE(DELAFOSSITE) THIS PRESENT (1980) ECONOMIC STUDY JUST INVESTIGATES THE PARAMILLO SUR PRIMARY SULFIDE ORE. IF JUSTIFIED BY FURTHER EXPLOR. THE OXIDE RESERVE AT PARAMILLO NORTE WOULD HAVE TO BE COSTED IN FUTURE. NOTE: NATIVE GOLD IS PRESENT BUT THERE IS NO DATA ON AMOUNT. THUS ECONOMIC STUDY DOES NOT ADDRESS AU PRODUCTION POSSIBLE (NO GRADE IN Q-MAT OR FEED RCD.).

Reporter information

Type Date Name Affiliation Comment
Reporter 17-AUG-94 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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