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Casa De Pedra

Producer in Minas Gerais, Brazil 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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  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. Reporter information

Geologic information

Identification information

Deposit ID 10078079
MRDS ID W026234
Record type Site
Current site name Casa De Pedra

Geographic coordinates

Geographic coordinates: -43.93228, -20.44748 (WGS84)

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • ORES HAVE NO TI, CU, PB, ZN, AS, BI, SB, AND SN; MAIN IMPURITIES ARE SILICA, ALUMINA, PHOSPHOROUS, AND SULFUR BUT ALL IN AMOUNTS WITHIN ACCEPTABLE LIMITS

Materials information

Materials Type of material
Quartz Gangue

Analytical data

Result HIGH GRADE HEMATITE, MORE THAN 64 PERCENT FE
Result SILICEOUS HEMATITE, 60 - 64 PERCENT FE
Result ITABIRITE, 35 - 60 PERCENT FE

Mineral occurrence model information

Model code 241
USGS model code 34a
Deposit model name Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Rock unit name Minas Series
    Rock description Minas Series

Nearby scientific data

(1) -43.93228, -20.44748
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Complex Folding And Granitic Intrusions; Iron Formations Run In Bands Of Varying Widths And Cutting Across Quadrilatero From East To West And North To South; Thickness Ranges To Several Hundred Feet

Comments on the geologic information

  • MINAS SERIES, SEDIMENTARY IRON FORMATIONS & THEIR COLLUVIAL DERIVATIVES; UNDERLAIN BY RIO DAS VELHAS SERIES, WHICH ALSO HAVE SOME IRON FORMATIONS, WHICH ARE TERMED ITABIRITES WITH ALTERNATING BANDS OF HEMATITE & QUARTZ

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Quadrilatero Ferrifero, Congonhas Area

Ownership information

  • Type Owner-Operator
    Owner Companhia Siderurgica Nacional (Csn)

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Total resources 500000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 60 wt-pct Iron Major 1970

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 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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