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  3. Mineral Resource Data System (MRDS)

Gero

Past Producer in Sao Paulo, Brazil with commodity Mica
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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. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10066421
MRDS ID TC42628
Record type Site
Current site name Gero

Geographic coordinates

Geographic coordinates: -46.96842, -23.99797 (WGS84)
Relative position 1.3 KM S25E OF BERNADO.

Site location context

Political divisions (FIPS codes)

Sao Paulo(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Sao Paulo

Commodities

Commodity Importance
Mica Primary

Materials information

Materials Type of material
Muscovite Ore
Biotite Gangue
Feldspar Gangue
Kaolin Gangue
Microcline Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -46.96842, -23.99797
ListMap

Economic information

Ore body information

  • Thickness 3M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No

Ownership information

  • Type Operator
    Owner Cia Paulista De Mineraco )
    First year 1943

Comments on the production information

  • JULY 1943 PRODUCTION 729 KG MINE-CRUDE MICA.

Comments on the workings information

  • 44 M DRIFT, 5 M DRIFT, 40 M LONG OPEN CUT.

Reference information

Bibliographic references

  • Deposit

    PECORA, W.T., KLEPPER, M.R., LARRABEE, D.M., BARBOSA, A.L.M., AND FRAYHA, RESK, 1950, MICA DEPOSITS IN MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY BULLETIN 964-C, P. 205-305.

  • Deposit

    MURDOCK, T.G., 1943, TRIP REPORT NO. 7, MICA DEPOSITS IN THE STATE OF SAO PAULO: UNPUBLISHED U.S. GEOLOGICAL SURVEY REPORT, 14P.

  • Other Database

    CIMRI

  • Production

    MURDOCK (1943).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1995 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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