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  3. Mineral Resource Data System (MRDS)

Sierra Grande, North Sector

Occurrence in Rio Negro, Argentina with commodity Iron
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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. Economic information about the deposit and operations
  9. Mining district
  10. Reserves and resources
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10078104
MRDS ID W026261
Record type Site
Current site name Sierra Grande, North Sector

Geographic coordinates

Geographic coordinates: -65.33262, -40.83089 (WGS84)
Relative position GOLFO SAN MATIAS, 35 KM FROM COAST, 130 KM N OF PUERTO MADRYN.

Site location context

Political divisions (FIPS codes)

Rio Negro(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina Rio Negro

Comments on the location information

  • DEPOSIT IS OF INTEREST AS SOUTHWARD CONTINUATION OF ZAPLA DEPOSIT. DNMG GIVES LOCATION AS 24-42S AND 64-49W.

Commodities

Commodity Importance
Iron Tertiary

Materials information

Materials Type of material
Magnetite Ore

Analytical data

Result CHEMISTRY OF RESERVES IN PERCENT: FE 52 - 57
Result SIO2 3.5 - 9
Result AL2O3 3.0 - 4.0
Result CAO 2.5 - 4.0
Result TIO2 0.2
Result MN 0.04
Result P 1.0 - 1.7
Result AND S 0.2 - 0.7

Nearby scientific data

(1) -65.33262, -40.83089
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Sierra Grande

Comments on the production information

  • EARLIER EXPLORATION PRODUCED 40,000 M.T. ORE WITH OVER 40 % FE CONTENT. ( ANGELELLI, 1970 )

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Total resources 20000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 54 wt-pct Iron Trace 1970

Comments on the reserve resource information

  • INSTITUTO NACIONAL DE GEOLOGIA Y MINERIA PREFERS THIS CLASSIFICATION OF POTENTIAL ORE ALTHOUGH IT HAD GIVEN FIGURES IN 1967 , IN A WRITTEN COMMUNICATION, OF 15 MILLION M.T. OF MEASURED ORE AND 30 MILLION M.T. OF INDICATED ORE.
  • INSTITUTO NACIONAL DE GEOLOGIA Y MINERIA PREFERS THIS CLASSIFICATION OF POTENTIAL ORE ALTHOUGH IT GAVE FIGURES IN 1967 BY WRITTEN COMMUNICATION, OF 15 MILLION M.T. OF MEASURED ORE AND 30 MILLION M.T. OF INDICATED ORE.
  • RESERVES GIVEN BY ANGELELLI, 1984, ARE MUCH HIGHER, FOR EXAMPLE 164,624,154 T WITH 35 % FE AND 0.48 % P FOR ONLY PART OF THE AREA.

Comments on development

  • 636 SAMPLES TAKEN. 1943 Y.P.F., 1956 SOCIEDAD MINERA UNCHIME ; ECON.COM: MARGINAL PROSPECT

Reference information

Bibliographic references

  • Deposit

    ALVARADO, BENJAMIN, 1970 , IRON ORE DEPOSITS OF SOUTH AMERICA, IN SURVEY OF WORLD IRON ORE RESOURCES -- OCCURRENCE AND APPRAISAL: NEW YORK, UNITED NATIONS, P. 302 - 380

  • Deposit

    ANGELELLI, V., FERNANDEZ LIMA, J. C., HERRERA, A., AND ARISTARAIN, L., 1970 . DESCRIPCION DEL MAPA METALOGENETICO DE LA REPUBLICA ARGENTINA: ARGENTINA DIRECCION NAC. DE GEOLOGIA Y MINERIA ANALES, NO. 25 , P. 73 - 85

  • Reserve-Resource

    ALVARADO, 1970

General comments

Subject category Comment text
Deposit ZONES: LAS GARZAS, MAL PASO, HORNITOS, LAS CUEVAS, MORRO DEL CARDON

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1973 Cooper, Margaret (Shaffer, Glenn L.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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