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Almeirim Jutai

Prospect in Para, Brazil with commodity Aluminum
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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. Land status
  13. Ownership information
  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 10230809
MAS/MILS ID 3510250005
Record type Site
Current site name Almeirim Jutai
Alternate or previous names Almeirim/Jutai Para, North Para

Comments on the site names

  • FORMERLY SERRO DO ALMERIM (JUTAI-CVRD).

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -52.49918, -0.99834 (WGS84)
Elevation 300
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Para(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Para

Commodities

Commodity Importance
Aluminum Critical Secondary

Materials information

Materials Type of material
Gibbsite Unknown
Hematite Unknown
Kaolin Unknown
Limonite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) -52.49918, -0.99834
ListMap

Economic information

Ore body information

  • Length 10230M
    Width 17280M
    Area 4970HA
    Depth to top 6.8M
    Field Value
    Type of Orebody #1 LATERITE
    Shape of Orebody #1 MANTLELIKE
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control OTHER
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 5.1
    Avg. Thick. Unconsol. Mat. 6.8
    Min. Thick. Unconsol. Mat. 5.1
    Total Surface Area (HA) 4970
    Date of Last Modification 830622

Comments on the geologic information

  • THE INTENSITY OF BAUXITIZATION APPEARS TO BE RELATED TO THE TOPOGRAPHIC ELEVATION AND THE WATER LEVEL.
  • GANGUE ALSO INCLUDES TITANIUM OXIDES AND CLAYS

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1972

Mining district

District name Para

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner
    Owner Companhia Vale Do Rio Doce (Crvd)
    Interest 100
    Home office Brazil
    Year 1981

Comments on the production information

  • YIELD IS AL PRODUCT A YIELD EXACTLY 64.4%; PRODUCT B AND C EXACTLY 5.3%

Comments on the reserve resource information

  • M1C1=M2C1+M3C1+M4C1=M9C4. M2C1 QUANTITY IS EXACTLY 172,833,100 MT; THISIS JUTAI METALLURGICAL BAUXITE M3C1 QUANTITY IS ALMEIRIM METALLURGICAL BAUXITE M4C1 QUANTITY IS EXACTLY 17,104,500 MT; THIS IS ALMEIRIM REFRACTORY BAUXITE M1C1 QUANTITY IS EXACTLY 213,888,600 MT; QUANTITY ASSAY-LINE 1 IS JUTAI AND ALMEIRIM METALLURGICAL BAUXITE; LINE 2 IS ALMEIRIM REFRACTORY BAUXITE THE REFRACTORY BAUXITE IS THE PRIMARY PRODUCT, METALLURGICAL BAUXITE IS PRODUCED AS A BY-PRODUCT.

Workings at the site

  • Type of workings Surface
    Area 4970HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 25
    Avg. Overburden Thickness 6.8
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Capacity 39828
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.48
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1981
  • Type of workings Surface
    Area 4970HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 25
    Avg. Overburden Thickness 6.8
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Capacity 2448
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.48
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    DENNEN,N.H. AND H.A.NORTON, GEOLOGY AND GEOCHEMISTRY OF

  • Deposit

    BAUXITE DEPOSITS IN THE LOWER AMAZON BASIN, ECONOMIC

  • Deposit

    GEOLOGY, VOL. 72, 1977, P.82-87.

General comments

Subject category Comment text
Deposit ORE THICKNESS; JUTAI: 2.2 ALMEIRIM (REFRACTORY): 2.6 ALMEIRIM (METALLURGICAL): 1.9 DIP: 1-5 DEGREES, STRIKE UNKNOWN OREBODY LENGTH/WIDTH; JUTAI: 7050/7050 M ALMEIRIM (REFRACTORY): 3908/3908 M ALMEIRIM (METALLURGICAL): 6322/6322 M

Reporter information

Type Date Name Affiliation Comment
Reporter 15-SEP-1992 Wilburn, David R. 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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