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  3. Mineral Resource Data System (MRDS)

Barra Do Tarrachi

Producer in Bahia, Brazil with commodity 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. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10100906
MRDS ID TC43190
Record type Site
Current site name Barra Do Tarrachi

Geographic coordinates

Geographic coordinates: -38.33223, -8.93125 (WGS84)
Relative position ABOUT 8 KM N OF PETROLANDIA.

Site location context

Political divisions (FIPS codes)

Bahia(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Bahia

Comments on the location information

  • ON FORESTED SOUTHWESTERY SPUR MIDWAY UP DOE HILL MOUNTAIN
  • ON THE RIO SAN FRANCISCO.

Commodities

Commodity Importance
Diamond Primary

Comments on the commodity information

  • PROBABLY MOST MICA GROUND; FELDSPAR & QUARTZ USEFUL BYPRODUCTS.
  • SMALL DIAMONDS.

Materials information

Materials Type of material
Diamond Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -38.33223, -8.93125
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No

Comments on the production information

  • SPECIFIC INFORMATION LACKING. PRODUCTION THOUGHT TO BE VERY SMALL, INTERMITTENT, & INFORMAL COTTAGE INDUSTRY TYPE.

Comments on the reserve resource information

  • POSSIBLY SOME MINOR AMOUNTS REMAIN

Comments on the workings information

  • INFORMATION LACKING. NEED ON-SITE INSPECTION.

Comments on development

  • MINE IS IN SOUTHERN PART OF SPRUCE PINE MICA DISTRICT. THIS DISTRICT ACTIVE SINCE 1868 AND A MAJOR MICA PRODUCER. THIS LOCALITY TAKEN AS A "LITTLE DEVELOPED PRODUCER" BASED ON INFORMATION AVAILABLE. ORE MATERIAL AVAILABLE ON SURFACE, NO FORMALIZED DEVELOPMENT REQUIRED

Reference information

Bibliographic references

  • Deposit

    BRUNI, M.A.L., 1976, CARTA GEOLOGICA DO BRASIL AO MILIONESIMO, FOLHA ARACAJU (SA-24): MINISTERIO DAS MINAS E ENERGIA, DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, BRASILIA, 226P

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit KNOWN TO BE ACTIVE IN YEAR 1967. SMALL OCCASIONAL MINING BY LOCALS BEFORE & AFTER 1967.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-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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