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  3. Mineral Resource Data System (MRDS)

Pontal

Producer in Minas Gerais, Brazil with commodity Gold
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10064771
MRDS ID TC39260
Record type Site
Current site name Pontal

Geographic coordinates

Geographic coordinates: -44.9323, -19.76556 (WGS84)
Relative position 100 KM NW OF BELO HORIZONTE

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Comments on the location information

  • ON SAO JOAO RIVER, BOTH SIDES, USED LOCATION FOR PITANGUI

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • GOLD IS 5-20 MICRONS IN SIZE

Materials information

Materials Type of material
Antimony Ore
Galena Ore
Gold Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Rio Das Velhas Super Group;Rio Das Velhas Super Group
    Rock description Rio Das Velhas Super Group;Rio Das Velhas Super Group

Nearby scientific data

(1) -44.9323, -19.76556
ListMap

Economic information

Ore body information

  • Name PONTAL
    General form LENSES
    Thickness 1M
    Length 80M

Comments on the geologic information

  • ROCKS CONTAIN TWO SUPERPOSED FOLIATIONS N5W AND N35E, BOTH DIP 55E

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1850

Mining district

District name Pitangui Area

Comments on development

  • 1979 UNIGEO GEOLOGIAE MINERACAO LTD DISCOVERED SULFIDE MINERALIZATION BY EXPLORATORY WORK INCLUDING GEOLOGIC MAPPING, GEOCHEMISTRY, CORE DRILLING, AND UNDERGROUND DEVELOPMENT.

Reference information

Bibliographic references

  • Deposit

    FRIZZO, C., TAKAI, V., AND SCARPELLI, W., 1991, AURIFEROUS MINERALIZATION AT PITANGUI-MINAS GERAIS, IN BRAZIL GOLD '91, ED. E.A. LADEIRA: BAILKEMA, ROTTERDAM, P. 579-583

  • Other Database

    CIMRI

  • Reserve-Resource

    FRIZZO AND OTHERS (1991)

General comments

Subject category Comment text
Deposit LENGTH FROM 10 TO 80 M, THICKNESS CM-M.
Deposit Discovery Year: 18TH CENTURY, AGAIN IN 1979

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1993 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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