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  3. Mineral Resource Data System (MRDS)

Boquira Y Plumbum

Producer in Bahia, Brazil with commodities Lead, Zinc
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10255295
MAS/MILS ID 3510090001
Record type Site
Current site name Boquira Y Plumbum
Alternate or previous names Mina Boquira

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -42.74897, -12.81445 (WGS84)
Elevation 750

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
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Actinolite Unknown
Anglesite Unknown
Biotite Unknown
Cerussite Unknown
Chalcedony Unknown
Chlorite Unknown
Epidote Unknown
Galena Unknown
Limonite Unknown
Magnetite Unknown
Pyrite Unknown
Pyromorphite Unknown
Quartz Unknown
Smithsonite Unknown
Sphalerite Unknown
Tourmaline Unknown

Nearby scientific data

Ore Body (1) -42.74897, -12.81445
ListMap

Economic information

Ore body information

  • Strike N27W
    Dip 75W
    Thickness 1.5M
    Length 470M
    Area 50HA
    Depth to top 25M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 SHEAR ZONE
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OXIDATION
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 PROPYLITIC
    Strike And Dip N27W:75W
    Minimum Depth to Top 25
    Avg. Thick. Unconsol. Mat. 50
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 50
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No
Discovery year 1952
Year of first production 1956
Milling method Flotation

Mining district

District name Boquira

Mineral rights holdings

Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Paulista De Metais Ltda.
    Year 1989

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method SHRINKAGE METHODS
    Swell Factor .51
    Percent Recovery 85
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    Capacity 1000
    Capacity Units MT ORE/DAY
    Operating Days per Year 270
    Operating Shifts per Day 3
    Year of Information 1989

Reference information

Bibliographic references

  • Deposit

    LEFOND,S.J.,1973, BRAZILIAN MINING: RELAXED GOVT. ATT. PAVE

  • Deposit

    FOR EXPLOITING CRIT. RES: MIN.ENG.,VOL.25:11, P.31-45.

  • Deposit

    ROCHA,A.J.D., 1973, PERFIL ANALITICO DO CHUMBO: DNPM BOLETIM

  • Deposit

    RIO DE JANEIRO, 76PAGES

  • Deposit

    JOHNSON,R.F., 1962, LEAD-ZINC DEP. AT THE BOQUIRA DIST., STA

  • Deposit

    BAHIA, BRAZIL:USGS B1110-A

  • Deposit

    ANDERY, P.A, 1961, CONCENTRACAO DE MINEIRO OXIDADO DE CHUMBO

  • Deposit

    CENTRATION OF LEAD OXIDE MINERALS): SAO PAOLO,ESCOLA TECNICA

  • Deposit

    THESIS, MAP, TABLES, 125 P.

General comments

Subject category Comment text
Deposit 75-RCD 020 MINERACAO BOQUIRA IS SUBSIDIARY (100%) OF PLUMBUM 75-RCD 020 PLUMBUM IS 100% SUB OF SOCIETE MINERES DES PENARR 75-RCD 060 OTHER DEF IS STEEP PLUNGING FOLDS 75-RCD 161 DEST IS COBRAC(CIA. BRASILEIR DE CHUMBO) SMELTER, 75-RCD 161 SMELTER LOCATED AT SANTO AMARO, BAHIA 75-RCD 161 COBRAC SMELTER OPERATES SOLELY ON BOQUIRA CONCENT 75-RCD 161 RELATION OF COBRAC TO PENARROYA OR SUBSIDS IS UNK 75 OTHER SMELTER PRODUCT 1100 MTPY (6KG AG /MT) 75 OTHER SMELTER PRODUCT 600 MTPY (5KG CU /MT) 75-RCD 080 AVERAGE LENGTH MIN ZONE IS SUM OF 3 AVERAGES (3 Z 75-RCD 101,102 RESERVE DATA FROM ROCHA, 1973 75-RCD 061 GRANODIORITE IN DIKES PARALLEL TO VEINS LOCALLY W 75-RCD 020 OPER HQ IS SALVADOR, BAHIA 75-THE JOHNSON REFERENCE HAS THE ONLY STATE MAPS ENCOUNTERED JULY 28,1975,THE LEAD ORE BODIES OF THE BOQUIRA MINE ARE IN FORMATION: UNITS OF SEDIMENTARY ROCKS, USUALLY BANDED, THAT ABUNDANT MAGNETITE OR HEMATITE WITH QUARTZ OR AMPHIBOLE. RECORDS 0 AND 1 (A-8) ARE HYPOGENE AND SUPERGENE MINERALS RE VELY. 2 AND 3 ARE GANGUE MINERALS THE DESCRIPTION OF THE SHAFT AND ADIT WAS TAKEN FROM ANDERY

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1994 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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

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