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Camamu

Producer in Bahia, Brazil with commodity Barium-Barite
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Workings at the site
  15. Links to other databases
  16. Reporter information

Geologic information

Identification information

Deposit ID 10158373
MAS/MILS ID 3510090012
Record type Site
Current site name Camamu

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -39.0322, -13.93099 (WGS84)
Elevation 25
Location accuracy 5000(meters)

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
Barium-Barite Critical Primary

Materials information

Materials Type of material
Barite Unknown

Nearby scientific data

Ore Body (1) -39.0322, -13.93099
ListMap

Economic information

Ore body information

  • Thickness 3M
    Length 2950M
    Width 1700M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Date of Last Modification 850701
  • Area 100HA
    Field Value
    Total Surface Area (HA) 100
    Date of Last Modification 910418

Comments on the geologic information

  • BARITE CONSISTS MAINLY OF FINELY FIBROUS, SPHERULITIC, LAMINAR AND NODULAR AGGREGATES.
  • BARITE OCCURS AS A BED REPLACING AN ARKOSIC SANDSTONE MEMBER AT TOP OF CRETACEOUS STRATA.

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Non-metallic
Significant Yes
Year of first production 1944
Milling method Jig

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Baroid Pigmina Industrial E Commercial
    Interest 100
    Home office Texas
    Year 1983

Comments on the ownership information

  • BARITE CONSISTS MAINLY OF FINELY FIBROUS, SPHERULITIC, LAMINAR AND NODULAR AGGREGATES. BAROID PIGMINA IS A WHOLLY OWNED SUBSIDIARY OF N.L. BAROID, HOUSTON, TEXAS.

Production statistics

  • Year 1968
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 74262 Mt Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 74262mt 70wt-pct
  • Year 1968
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 51984 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 51984mt 93wt-pct
  • Year 1969
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 75684 Mt Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 75684mt 70wt-pct
  • Year 1969
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 53002 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 53002mt 93wt-pct
  • Year 1970
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 24480 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 24480mt 93wt-pct
  • Year 1970
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 37762 Mt Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 37762mt 70wt-pct
  • Year 1971
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 35308 Mt Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 35308mt 70wt-pct
  • Year 1971
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 24865 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 24865mt 93wt-pct
  • Year 1972
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 79946 Mt Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 79946mt 70wt-pct
  • Year 1972
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 56300 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 56300mt 93wt-pct
  • Year 1973
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 56000 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 56000mt 93wt-pct
  • Year 1973
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 79520 Mt Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 79520mt 70wt-pct
  • Year 1974
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 79804 Mt Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 79804mt 70wt-pct
  • Year 1974
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 56200 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 56200mt 93wt-pct
  • Year 1975
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 71000 Mt Ore Mine
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 71000mt 70wt-pct
  • Year 1975
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 50000 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 50000mt 93wt-pct
  • Year 1976
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 71010 Mt Ore Mine
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 71010mt 70wt-pct
  • Year 1976
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 50142 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 50142mt 93wt-pct
  • Year 1977
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 56482 Mt Ore Mine
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 56482mt 70wt-pct
  • Year 1977
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 39538 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 39538mt 93wt-pct
  • Year 1978
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 53938 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 53938mt 93wt-pct
  • Year 1978
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 77023 Mt Ore Mine
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 77023mt 70wt-pct
  • Year 1979
    Accuracy Estimate
    Description Average Estimated Grade - 93% Baso4 49847 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 49847mt 93wt-pct
  • Year 1979
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 71181 Mt Ore Mine
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 71181mt 70wt-pct
  • Year 1980
    Accuracy Estimate
    Description Average Estimated Grade - 93% Babo4 54000 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 54000mt 93wt-pct
  • Year 1980
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 77112 Mt Ore Mine
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 77112mt 70wt-pct
  • Year 1981
    Accuracy Estimate
    Description Average Estimated Grade - 93% Babo4 60000 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 60000mt 93wt-pct
  • Year 1981
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 85714 Mt Ore Mine
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 85714mt 70wt-pct
  • Year 1982
    Accuracy Estimate
    Description Average Estimated Grade - 93% Babo4 50000 Mt Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 50000mt 93wt-pct
  • Year 1982
    Accuracy Estimate
    Description Average Estimated Grade 70% Baso4 71500 Mt Ore Mine
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 71500mt 70wt-pct

Comments on the reserve resource information

  • M9C4=M1C1; PROVEN RESERVES = 90% PROB. CAT; PROV. + INDICATED RESERVES = 75% PROB. CAT; PROV. + IND. + INFERRED RESERVES = 50% PROB. CAT.
  • M1C3 = M9C4. RESOURCE TONNAGES ARE ESTIMATES OF THE AMOUNT OF ORE THAT SHOULD BE MINABLE BY OPEN PIT METHODS TO VERTICAL DEPTHS OF 50 M. THE 13000000 TONS REPRESENT A COMBINATION OF TWO SEPARATE DEPOSITS- 4290 TONS IN THE CASCABULHOS TREND AND 8710 TONS IN THE PEDRINHAS TREND. QMATRIX 9 COLUMN 1: ADIT RESOURCES AS OF JAN 1989. ALL INFORMATION PROVIDED FOR THIS DATA BASE IS FROM THE CAMAMU FOREIGN BARITE DEPOSIT REPORT BY BROWN & ROOT DEVELOPMENT, INC., HOUSTON, TEXAS, AUG. 26, 1983, UNDER USBM CONTRACT NO. J0225017 DEVELOPMENT OF ENGINEERING AND COST DATA FOR FOREIGN ANTIMONY/BARITE PROPERTIES.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Percent Waste Rock 80
    Hardness of Ore HARDPAN
    Capacity 229
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.42
    Units of Production $/MT ORE
    Operating Days per Year 187
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Percent Waste Rock 80
    Hardness of Ore HARDPAN
    Capacity 229
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.42
    Units of Production $/MT ORE
    Operating Days per Year 312
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 3
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Percent Waste Rock 80
    Hardness of Ore HARDPAN
    Capacity 229
    Capacity Units MT ORE/DAY
    Unit Production Cost 11.11
    Units of Production $/MT ORE
    Operating Days per Year 125
    Operating Shifts per Day 2
    Year of Information 1983

Comments on other economic factors

  • M9C4=M1C1 MATRIX 9, COL 4 = MATRIX 1, COL 1. PROVEN RESERVES = 90% PROB. CAT; PROV. + INDICATED RESERVES = 75% PROB. CAT; PROV. + IND. + INFERRED RESERVES = 50% PROB. CAT. MINE DILUTION IS 25% AND MINE RECOVERY IS 100%.
  • M9C4=M1C1 MATRIX 9, COL 4 = MATRIX 1, COL 1. PROVEN RESERVES = 90% PROB. CAT; PROV. + INDICATED RESERVES = 75% PROB. CAT; PROV. + IND. + INFERRED RESERVES = 50% PROB. CAT. MINE DILUTION IS 25% AND MINE RECOVERY IS 100%. MINE TO MILL TRANS DIST IS 2 KM TO WASH PLANT - TRANS COST INCLUDED IN MINE OP. COST. ONE-HALF OF WASHING PLANT PRODUCT GROUND IN ON-SITE GRIND PLANT AND SOLD F.O.B. IN BRAZIL. OTHER HALF IS SHIPPED TO GRINDING PLANTS IN VENEZUELA OR TRINIDAD FOR AVERAGE TRANS COST OF $15.50/MT.

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 03-SEP-1985 Hite, Alan G. 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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