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Serra Do Almeirim/Ludwig

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 10231283
MAS/MILS ID 3510250008
Record type Site
Current site name Serra Do Almeirim/Ludwig
Alternate or previous names Almeirim Reserve Area, Jari Project, Caracuru Reserve Area

Geographic coordinates

Geographic coordinates: -52.24918, -1.24834 (WGS84)
Elevation 140

Site location context

Political divisions (FIPS codes)

Para(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Para

Comments on the location information

  • THE AREA IS BOUNDED BY 52 DEGREES TO 52 DEGREES-30 MINUTES WEST LONGITUDE AND 1 DEGREE TO 1 DEGREE-30 MINUTES SOUTH LATITUDE.

Commodities

Commodity Importance
Aluminum Critical Primary

Materials information

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

Nearby scientific data

(1) -52.24918, -1.24834
ListMap

Economic information

Ore body information

  • Thickness 2.4M
    Area 1170HA
    Depth to top 9.7M
    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 RESIDUAL CONCENT
    Secondary mode of Origin OXIDATION
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 6
    Avg. Thick. Unconsol. Mat. 9.7
    Min. Thick. Unconsol. Mat. 6
    Total Surface Area (HA) 1170
    Date of Last Modification 830623

Comments on the geologic information

  • GANGUE MINERALS ALSO INCLUDE TITANIUM OXIDES AND CLAYS
  • THE INTENSITY OF BAUXITIZATION APPEARS TO BE RELATED TO THE DIFFERENCE BETWEEN THE TOPOGRAPHIC ELEVATION AND THE REGIONS WATER LEVEL.

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1967

Mining district

District name Para State

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner
    Owner Daniel K. Ludwig Financial Group
    Interest 100
    Home office Brazil
    Year 1981

Comments on the production information

  • YIELD IS PERCENT ALUMINUM YIELD REC B RECOVERY IS 46.2 PCT YIELD REC D RECOVERY IS 53.8 PCT

Comments on the reserve resource information

  • M1C1=M9C4=M2C1+M3C1. COMMODITY ASSAY IS ALUMINUM PERCENT EXACT COMBINED QUANTITY IS 25.781,813 MT ALMEIRIM: 14,215,728 MT CARACURU: 11,566,085 MT COMMODITY ASSAY IS ALUMINUM PCT QUANTITY IS FROM ALMEIRIM DEPOSIT, EXACTLY 14,215,728 MT COMMODITY ASSAY IS ALUMINUM PCT QUANTITY IS FROM CARACURU DEPOSIT, EXACTLY 11,566,085 MT

Workings at the site

  • Type of workings Surface
    Area 1170HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 20
    Avg. Overburden Thickness 10
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Capacity 3749
    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
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 20
    Avg. Overburden Thickness 10
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Capacity 2067
    Capacity Units MT ORE/DAY
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1981
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 3
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 20
    Avg. Overburden Thickness 10
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Capacity 1682
    Capacity Units MT ORE/DAY
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    DENNER,W.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.

  • Deposit

    HOGE, W., LUDWIG MAY CUT BRAZIL PROJECT, THE NEW YORK TIMES,

  • Deposit

    10-16-80.

  • Deposit

    METAL BULLETIN, ALCOA/LUDWIG BAUXITE DOUBTS CLEARED,

  • Deposit

    2-6-81.

  • Deposit

    METAL BULLETIN, BAUXITE STORM BREAKS IN BRAZIL, 12-5-80,

  • Deposit

    P.24.

General comments

Subject category Comment text
Deposit DEPOSIT IS HORIZONTAL AREA OF DEPOSITS: ALMEIRIM, 8,634,125 SQ. METERS CARACURU, 3,070,400 SQ. METERS

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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