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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Sierra Grande

Producer 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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10078105
MRDS ID W026262
Record type Site
Current site name Sierra Grande
Alternate or previous names Includes the North, South, And East Sectors

Geographic coordinates

Geographic coordinates: -65.33262, -40.83089 (WGS84)
Relative position GOLFO SAN MATIAS, 30 KM FROM COAST, 135 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

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Magnetite Ore

Alteration

  • (Local) Contact Metamorphism

Analytical data

Result CHEMISTRY OF THE RESERVES: SOUTH SECTOR: FE- 54.80%, SIO2- 5.95%, AL203- 4.85%, P- 1.43%, S- 0.44%, CAO- 3.25%, AND TENTHS OF HUNDREDTHS OF A PERCENT OF MN, V, TI, AS, PB, AND CU
Result NORTH SECTOR: FE- 52-57%, SIO2- 3.5-9%, AL2O3- 3.0-4.0%, CAO- 2.5-4.0%, TIO2- 0.2%, MN- 0.04 %, P- 1.0-1.7%, AND S- 0.2-0.7%
Result EAST SECTOR: FE- 55%, SIO2- 6%, S- 0.44%, P- 1.4%, AND AL2O3- 3-4%.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -65.33262, -40.83089
ListMap

Economic information

Ore body information

  • General form LENTICULAR, OF GENERALLY SMALL THICKNESS
    Thickness 8M

Comments on the geologic information

  • AT THE SURFACE, THE ORE MINERAL IS HEMATITE, PROBABLY DUE TO DECOMPOSITION OF MAGNETITE, THE PRINCIPAL MINERAL.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Sierra Grande

Ownership information

  • Type Owner
    Owner Hipasam S. A.

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Total resources 48000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 55 wt-pct Iron Major 1970
  • Type In-situ
    Estimate year 1970
    Indicated 16000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 55 wt-pct Iron Major 1970
  • Type In-situ
    Estimate year 1970
    Inferred 50000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 55 wt-pct Iron Major 1970
  • Type In-situ
    Estimate year 1970
    Indicated 20000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 54 wt-pct Iron Major 1970
  • Type In-situ
    Estimate year 1970
    Indicated 10000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 54 wt-pct Iron Major 1970

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 MAXIMUM THICKNESS IS FOR THE EAST SECTOR.
Deposit THIS RECORD INCLUDES DATA FROM RECORDS W026261 AND W026263 WHICH HAVE BEEN DELETED FROM THE DATABASE.

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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