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Roche Lois Plateau

Past Producer in Haiti with commodities Aluminum, Iron, Silica, Ferrosilicon
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10111559
MRDS ID W700676
Record type Site
Current site name Roche Lois Plateau
Alternate or previous names Reynold's Mine, Miragoane, Includes Ste.-Croix, East Extension and Tranquiille Trahison Deposits.

Geographic coordinates

Geographic coordinates: -73.09963, 18.46733 (WGS84)
Relative position ABOUT 6 KM NW OF JACMEL 6 MILES SW OF MIRAGOANE, ON ROCHELOIS PLATEAU.

Site location context

Political divisions (FIPS codes)

Haiti(country)

North America(continent)

Land(continent)

Geographic areas

Country
Haiti

Commodities

Commodity Importance
Aluminum Critical Primary
Iron Primary
Silica, Ferrosilicon Secondary

Comments on the commodity information

  • DEPOSITS CONTAIN ABOUT 60% GIBBSITE AND BOEHMITE, THESE CONTAIN UP TO 27% BOEHMITE.

Materials information

Materials Type of material
Bauxite Ore
Boehmite Ore
Gibbsite Ore
Goethite Gangue
Hematite Gangue
Kaolinite Gangue
Magnetite Gangue
Quartz Gangue
Zircon Gangue

Analytical data

Result AVE COMPOSITION IS 46.8% AL2O3, 3.4% SIO2, 2.8% TIO2, 21.9% FEO, 0.6% P2O5, 0.5% MNO, 24.1% LOI.

Mineral occurrence model information

Model code 112
USGS model code 38c
Deposit model name Bauxite, karst type

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Eocene

Nearby scientific data

(1) -73.09963, 18.46733
ListMap

Economic information

Ore body information

  • Thickness 1.62M
  • Thickness 2.83M
  • Thickness 1.98M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1943
Discoverer Reynolds Mining Corp.
Year of first production 1956

Ownership information

  • Type Operator
    Owner Reynold'S Aluminum Co. (Reynolds Haitian Mines)

Comments on the production information

  • 1956-1968, ANNUAL PRODUCTION WAS IN THE RANGE OF 250,000 TO 450,000 TONS; INCREASED TO 743,000 TONS IN 1973 AND DECLINED THEREAFTER. MIRAGOANE MINE CLOSED IN 1982.

Reserves and resources

  • Type In-situ
    Estimate year 1944
    Total resources 6810000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 46.8 wt-pct Aluminum Major 1944
    Iron Fe2O3 21.9 wt-pct Iron Major 1944
    Silica, Ferrosilicon SiO2 3.4 wt-pct Silica Minor 1944

Comments on the reserve resource information

  • (1) EAST EXTENSION, (2) STE.-CROIX, (3) TRANQUILLE-TRAHISON, (4) TOTAL; ESTIMATED THAT MINIMUM MINEABLE RECOVERABLE LATERITIC SOIL AVERAGING 43% AL2O3 RECOVERABLE IS 10 MILLION TONS ON A DRIED BASIS IN THESE DEPOSITS. (5) PROBABLE MAXIMUM TONNAGE OF SOILS ON PLATEAU.

Comments on development

  • ORE PRODUCTION CAPACITY BETWEEN 500,000 AND 1,000,000 TONNES/YEAR. OPERATION SUSPENDED IN 1988.

Reference information

Bibliographic references

  • Deposit

    MINING MAGAZINE, JANUARY 1989, P. 46.

  • Deposit

    PATTERSON, S.H., 1967, BAUXITE RESERVES AND POTENTIAL ALUMINUM RESOURCES OF THE WORLD: U.S. GEOLOGICAL SURVEY BULLETIN NO. 1228, P. 42-43.

  • Deposit

    GOLDRICH, S.S., AND BERGQUIST, H.R., 1948, ALUMINOUS LATERITIC SOIL OF THE REPUBLIC OF HAITI, W.I.: U.S. GEOLOGICAL SURVEY BULLETIN 954-C, P. 63-111.

  • Deposit

    PATTERSON, S.H., KURTZ, H.F., OLSON, J.C., AND NEELEY, C.L., 1980, WORLD BAUXITE RESOURCES: U.S. PROFESSIONAL PAPER 1076-B, 151 P.

  • Production

    PATTERSON AND OTHERS (1986).

  • Reserve-Resource

    GOLDRICH AND BERGQUIST (1948).

General comments

Subject category Comment text
Deposit AREA OF DEPOSITS: (1) 294 ACRES; (2) 572 ACRES; (3) 377 ACRES. LATERITIC SOILS DEVELOPED IN KARST TOPOGRAPHY, SOILS OCCUR IN THREE MAIN VALLEYS: (1) EAST EXTENSION BETWEEN 2000 AND 2600 FT ELEVATION; (2) STE.-CROIX AT 2700 FT; (3) TRANQUILLE-TRAHISON AT 2900 FT.
Deposit SOIL COMPOSITIONS SUGGEST SYENITE TO DIORITE PARENT; PROBABLY WAS CRETACEOUS ANDESITIC PYROCLASTIC MATERIALS OR VOLCANIC ASH. ; INFO.SRC : 1 PUB LIT
Deposit Discovery Year: JULY, 1943

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-89 Beougher, Dee (Spanski, Gregory T.) U.S. Geological Survey
Updater 01-OCT-92 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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