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  3. Mineral Resource Data System (MRDS)

Big Water

Past Producer in Sierra Leone with commodities Platinum, Palladium, Iridium, Osmium
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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. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10038322
MRDS ID M045654
Record type Site
Current site name Big Water
Alternate or previous names Monomo

Geographic coordinates

Geographic coordinates: -13.11832, 8.29796 (WGS84)
Relative position NEAR YORK PASS 1 MILE N OF WHALE RIVER ESTUARY

Site location context

Political divisions (FIPS codes)

Sierra Leone(country)

Geographic areas

Country
Sierra Leone

Commodities

Commodity Importance
Platinum Critical Primary
Palladium Critical Secondary
Iridium Critical Secondary
Osmium Secondary

Comments on the commodity information

  • NUGGETS 7.4, 1.66 GMS LARGEST WATER WORN NUGGETS, DENDRITIC CRYSTALS ALSO.

Materials information

Materials Type of material
Ilmenite Ore

Analytical data

Result PT=87.0, OS+IR = 1.3, PD = 2.0, FE = 9.9 PERCENT OF CRUDE PLATINUM

Nearby scientific data

(1) -13.11832, 8.29796
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Economic information

Comments on the geologic information

  • HR.AGE.MV: ALLUVIAL & ELLUVIAL GRAVELS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Freetown Layered Basic Complex

Reference information

Bibliographic references

  • Deposit

    POLLET, J.D., 1931, PLATINUM MINING IN SIERRA LEONE ENG. AND MIN JOURN. VOL. 132, P. 407.

  • Deposit

    JUNNER, N.R. (1930), GEO AND MIN. RESOURCE OF SIERRA LEONE MIN. MAG VOL 42, PP 73-82

  • Deposit

    PLATINUM AND ALLIED METALS. MINERAL RESOURCES DEPT. BRITISH IMP. INST.

  • Deposit

    DIXEY, F. THE NORITE OF SIERRA LEONE, QUART. JOURN. GEOL. SOC., 1922, 78 299-346.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1975 Gray, Floyd U.S. Geological Survey

Beyond USGS

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

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