1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Amazon Valley Bauxite

Prospect in Para, Brazil with commodity Aluminum
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10097397
MRDS ID W001390
Record type Site
Current site name Amazon Valley Bauxite

Geographic coordinates

Geographic coordinates: -57.99929, -1.99829 (WGS84)

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

Comments on the commodity information

  • INFO GIVEN HEREIN IS GENERAL FOR AMAZON BASIN.

Materials information

Materials Type of material
Bauxite Ore
Gibbsite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -57.99929, -1.99829
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Reg.Trends: Benches Or Mesas 100-200 M. Above River Level
Type of structure Local
Structure description Laterization At Tops Of High Benches

Ore body information

  • General form TABULAR-SURFACE-BLANKET
    Thickness 17M
    Depth to top 8M
    Depth to bottom 17M

Controls for ore emplacement

  • Bauxite Formed On Tops Of Benches, Or Tablelands Or Mesas

Comments on the geologic information

  • THE SECTION CONSISTS OF: 1. YELLOW PLASTIC CLAY, 0 TO 8 M THICK. 2. PISOLITIC GIBBSITE AND IRON OXIDE, 0 TO 1.5 M THICK. 3. IRON OXIDE CONCRETIONS IN CLAY MATRIX, 0 TO 1.5 M THICK. 4. HARD QUARTZOSE CONCRETIONS, RED, IN CLAY MATRIN, 0 TO 1.5 M THICK. 5. CRYSTALLIZED GIBBSITE, PINK RED, VERY MUCH OR LITTLE FERRUGINOUS, BLOCKY IN MATRIX OF MUCH OR LITTLE CLAY, 0 TO 4 M. 6. TRANSITION OF BAUXITE ALTERNATING WITH KAOLINITE, 0 TO 1 M. 7. PINK, RED, WHITE MOTTLED CLAY (BOTTOM OF SECTION). { LATERITES AND BAUXITE FORMED AT TOPS OF HIGH BENCHES OF CONTINENTAL SEDIMENTS OF PLIOCENE AGE. ; MAJOR.UNITS: CLAYS, SILTS, SAND CONTINENTAL ORIGEN ; GEOL.DESC: SEE LABEL N30

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1968
Discoverer Various Mining Companies

Mining district

District name Amazon Valley

Ownership information

  • Type Owner
    Owner Alcan, Alcoa

Comments on the reserve resource information

  • 4 BILLION TON RESERVES AND POTENTIAL RESOURCES COMBINED INCLUDES ALL GRADES OF BAUXITE. THE 60% AL2O3 REFERS ONLY BEST ORES-WASHED.

Comments on the workings information

  • DETAILED INFO ON PARTICULAR PROPERTIES NOT YET AVAILABLE, DECEMBER, 1972 (PORTUGUESE).

Comments on development

  • DEPOSITS AT: ORIXMINA FARO NHAMUNDA, RIO JATAPU, PARAGOMINAS ; ECON.COM: DEPOSITS STILL IN EXPLORATION DEVELOPMENT STAGE

Reference information

Bibliographic references

  • Deposit

    WOLF, F.A.M., 1972, BAUXITE NA AMAZONIA: ABST. 26 BRAZ. GEOL. CONG

  • Deposit

    1970 DIREXPL ALCAN

  • Deposit

    1970 DIREXPL ALCOA

  • Deposit

    COMPANY REPORTS NOT AVAILABLE BUT WILL EVENTUALLY TIE IN THIS RECORD NO.

  • Reserve-Resource

    WOLF, F.A.M., 1972, REF.

General comments

Subject category Comment text
Deposit ABOUT 3 BAUXITE OR GIBBSITE LAYERS TOTAL MAXIMUM 6.5 M IN SECTION MAXIMUM 17 M. DEPTH TO TOP RANGES 0-8 M. DEPTH TO BOTTOM RANGES 5-17 M.
Deposit SEDIMENTS ON WHICH LATERITE AND BAUXITE FORMED REPORTED TO BE POSSIBLY THE BARREIRAS FORMATION OF PLIOCENE AGE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1972 White, Max G. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site