Jangada

Producer in Minas Gerais, Brazil with commodity Iron
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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10078076
MRDS ID W026231
Record type Site
Current site name Jangada

Geographic coordinates

Geographic coordinates: -44.08284, -20.08638 (WGS84)
Location accuracy 1000(meters)
Relative position 20 KM SW OF BELO HORIZONTE

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Comments on the location information

  • ARBITRARY POINT ON ROAD

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 +100 MESH: 67.0% FE, 0.10 P, 0.6% AL2O3, 1.7% SIO2.

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 Metamorphic Rock > Phyllite
    Rock unit name Batatal Formation, Caraca Group, Minas Series.;Gandarela Formation, Itabira Group, Minas Series
    Rock description Batatal Formation, Caraca Group, Minas Series.;Gandarela Formation, Itabira Group, Minas Series
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Rock unit name Caue Formation, Itabira Group, Minas Series
    Rock description Caue Formation, Itabira Group, Minas Series

Nearby scientific data

(1) -44.08284, -20.08638

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

Ore body information

  • Strike N40E
    Dip SUBVERTICAL
    Thickness 120M
    Length 1000M
    Depth to top 180M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Quadrilatero Ferrifero, Belo Horizonte Area

Ownership information

  • Type Owner-Operator
    Owner Mineracoes Brasileiras Reunidas S/A (Mbr)

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Total resources 80000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 64 wt-pct Iron Major 1973

Comments on the reserve resource information

  • P CONTENT TOO HIGH. ORE (1964) IS TOTAL ORE.

Comments on the workings information

  • MINING IS BY MANUAL METHODS ( 1973 )

Comments on development

  • 14 ADITS, 2596 M IN TOTAL LENGTH, 31 DRILL HOLES TOTALLING 3287 M

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-74 Cooper, Margaret (Shaffer, Glenn L.) U.S. Geological Survey
Updater 01-MAR-94 Page, Norman J. U.S. Geological Survey

Beyond USGS

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