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  3. Mineral Resource Data System (MRDS)

Serra Do Acapuzal

Prospect in Para, Brazil with commodities Aluminum, Iron, Silica
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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 10231405
MAS/MILS ID 3510250009
Record type Site
Current site name Serra Do Acapuzal

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -52.24918, -0.99834 (WGS84)
Elevation 150
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 Primary
Iron Tertiary
Silica Tertiary

Materials information

Materials Type of material
Gibbsite Unknown
Kaolin Unknown

Nearby scientific data

Ore Body (1) -52.24918, -0.99834
ListMap

Economic information

Ore body information

  • Thickness 3M
    Area 1350HA
    Depth to top 6M
    Field Value
    Type of Orebody #1 LATERITE
    Shape of Orebody #1 MANTLELIKE
    Type of Orebody #2 SEDIMENTARY
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Avg. Thick. Unconsol. Mat. 6
    Total Surface Area (HA) 1350
    Date of Last Modification 830622

Comments on the geologic information

  • THE BAUXITIZATION IS BELIEVED TO HAVE RESULTED FROM EXTREME LEACHING OF PRE-EXISTING ROCK MATERIAL BY DOWNWARD PERCOLATING METEORIC WATER.
  • THE PRIMARY GANGUE MATERIALS ARE THE SILICA AND IRON COMPON- ENTS FOUND IN THE CLAY AND LATERITES.
  • THE BAUXITE DEPOSITS ARE LOCATED ON THE TOPS OF PLATEAUS HAVING A RELIEF OF 70 TO 120 METERS WITH SIDE SLOPES OF ABOUT 30 DEGREES. THEY ARE FLAT-TOPPED WITH A DIP OF 1 TO 5 DEGREES SOUTH TOWARD THE AMAZON, AND ARE DISSECTED BY YOUNG STREAMS WHOSE COURSES ARE PARTIALLY CONTROLLED BY REGIONAL JOINTING.

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1973

Mining district

District name Amapa District

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner
    Owner Government Of Brazil
    Interest 100
    Home office Brazil
    Year 1981

Comments on the ownership information

  • AS OF 1981 A MINING CONCESSION IS HELD BY GULF AND WESTERN INDUSTRIES, INC.

Comments on the production information

  • YIELD IS PCT ALUMINUM

Comments on the reserve resource information

  • M1C1=M9C4=M2C1+M3C1. M2=METALLURGICAL GRADE; M3=REFRACTORY GRADE ASSAY IS ALUMINUM EXACT QUANTITIES ARE: METALLURGICAL GRADE 193,766,521 MT REFRACTORY GRADE 35,814,665 MT COMBINED 229,581,186 MT

Workings at the site

  • Type of workings Surface
    Area 1350HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 43.3
    Avg. Overburden Thickness 6
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Capacity 25000
    Capacity Units MT ORE/DAY
    Unit Production Cost 4.03
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 1
    Year of Information 1981
  • Type of workings Surface
    Area 1350HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 43.3
    Avg. Overburden Thickness 6
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Capacity 33333
    Unit Production Cost 4.03
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 1
    Year of Information 1981
  • Type of workings Surface
    Area 1350HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 3
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 43.3
    Avg. Overburden Thickness 6
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Capacity 50000
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.48
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 1
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    BAUXITE DEPOSITS IN THE LOWER AMAZON BASIN, ECONOMIC

  • Deposit

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

  • Deposit

    MCKEE-WKE, CONCEPTUAL STUDY ON MINING CONCESSIONS OF ETHYL

  • Deposit

    CORPORATION IN THE LOWER AMAZON, 1978.

General comments

Subject category Comment text
Deposit MINE PRODUCES METALLURGICAL GRADE AND REFRACTORY GRADE BAUXITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Eastern Field Operations Center (EFOC) 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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