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Vila Santa Maria Placers

Past Producer in Amapa*, Brazil with commodities Gold, Tantalum, Diamond
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10066551
MRDS ID TC42784
Record type Site
Current site name Vila Santa Maria Placers

Geographic coordinates

Geographic coordinates: -51.99916, 0.50156 (WGS84)

Site location context

Political divisions (FIPS codes)

Amapa*(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Amapa*

Commodities

Commodity Importance
Gold Primary
Tantalum Critical Primary
Diamond Primary

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Quartzite And Phyllite
    Rock description Quartzite And Phyllite

Nearby scientific data

(1) -51.99916, 0.50156
ListMap

Economic information

Comments on the geologic information

  • TANTALITE GRADE IS 0.21 KG/CM; DIAMOND GRADE IS 0.023 CT/CY; GRAVELS AVERAGED 0.4 M THICK.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No

Comments on the production information

  • PLACER WAS DISCOVERED IN 1937; IN 1939-1941, 250 PEOPLE PRODUCED 5-10 KG AU/MONTH; PRODUCTION DECLINED 1942-1944.

Comments on the workings information

  • PLACER (STREAM)

Reference information

Bibliographic references

  • Deposit

    KLEPPER AND DEQUECH, 1967.

  • Deposit

    ORRIS, G.J. AND BLISS, J.D., 1985, GEOLOGIC AND GRADE VOLUME DATA ON 330 GOLD PLACER DEPOSITS: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-213, 172 P.

  • Other Database

    CIMRI

  • Reserve-Resource

    ORRIS AND BLISS, 1985.

General comments

Subject category Comment text
Deposit PLACERS ARE ON VILA NOVA RIVER.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1985 Orris, Greta J. (Bliss, James D.) 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