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Tangua

Producer in Rio De Janeiro, Brazil with commodity Fluorine-Fluorite
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10065216
MRDS ID TC40318
Record type Site
Current site name Tangua
Alternate or previous names Poco I Mine

Geographic coordinates

Geographic coordinates: -42.57447, -22.72962 (WGS84)
Location accuracy 10000(meters)
Relative position ABOUT 60 KM NE OF RIO DE JANEIRO.

Site location context

Political divisions (FIPS codes)

Rio De Janeiro(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Rio De Janeiro

Comments on the location information

  • NORTH OF CACERIBU RIVER.

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Fluorite Ore
Chalcedony Gangue
Pyrite Gangue

Alteration

  • (Local) Clay Minerals, Sericite, Pyrite, Minor Carbonate; Silicification.

Analytical data

Result COELHO (1990) CONTAINS REE DATA FOR FLUORITE
Result FLUID INCLUSION DATA, 100-200 DEGREES C HOMOGENIZATION TEMPERATURES FREQUENCY MAXIMUM BETWEEN 150-160 AND 120 TO 130. NACL WEIGHT % EQUIVALENT LESS THAN 3%. FLUORITE INCLUSIONS CONTAIN BARITE, QUARTZ, K-FELDSPAR, MUSCOVITE.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Tangua Complex;Serro Do Mar Alkaline Complex
    Rock description Tangua Complex;Serro Do Mar Alkaline Complex

Nearby scientific data

(1) -42.57447, -22.72962
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Discovery year 1975
Year of first production 1982

Production statistics

  • Year 1987
    Period 1982-1987
    Material CONC.
    Accuracy Estimate
    Description Cp_Grade: ^45% Caf2
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    CaF2 Conc. Fluorine-Fluorite Fluorine 45wt-pct

Reference information

General comments

Subject category Comment text
Deposit Discovery Year: END OF 1970'S.
Deposit 2 SHEAR ZONES - VEINS CUT BOTH GNEISSES AND ALKALINE COMPLEX; FOUR PHASES OF FLUORITE DEPOSITION.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-93 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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