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  3. Mineral Resource Data System (MRDS)

Lagoa Da Mina Copper Deposit

Occurrence in Bahia, Brazil with commodity Copper
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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. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10069037
MRDS ID W002319
Record type Site
Current site name Lagoa Da Mina Copper Deposit

Geographic coordinates

Geographic coordinates: -39.78226, -9.49789 (WGS84)
Relative position CURACA RIVER VALLEY

Site location context

Political divisions (FIPS codes)

Bahia(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Bahia

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Gangue
Malachite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Diorite;Norite-Pyroxenite
    Rock description Diorite;Norite-Pyroxenite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Poco De Fora, Charnockites And Gneisses
    Rock description Poco De Fora, Charnockites And Gneisses

Nearby scientific data

(1) -39.78226, -9.49789
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Economic information

Geologic structures

Type of structure Regional
Structure description The Basic Complex Is Crossed By N.E. Trending Faults Resulting In The Complexs Crescent Shape

Ore body information

  • General form CRESCENT SHAPED INTRUSIVE
    Dip W
    Width 12M
    Depth to bottom 160M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1925

Comments on the reserve resource information

  • THE WRITER OF THE REPORT (W. MARHOLZ) FEELS THIS DEPOSIT IS NOT DESIREABLE TO MINE BECAUSE OF LARGE AMOUNTS OF NON MINERALIZED DIORITES.

Comments on the workings information

  • THIS SEMI-CIRCULAR SHAPED INTRUSIVE HAS A DIAMETER OF ABOUT 200 METERS.

Reference information

Bibliographic references

  • Deposit

    WRITTEN COMMUNICATION FROM W. MARHOLZ

General comments

Subject category Comment text
Deposit Discovery Year: EARLY TWENTIETH CENTURY
Deposit THE POCO DE FORA GNEISS CONTAINS THE BASIC COMPLEX AND THE POCO DE FORA BELONGS TO THE CARAIBA GROUP. MINERALIZATION IN THE COMPLEX IS CONCENTRATED ALONG THE EASTERN PART.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1974 Warfle, Thomas M. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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