1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Barego

Producer in Sardegna, Italy with commodity Barium-Barite
Map
XML
JSON
KML
E
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. Ownership information
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10190998
MAS/MILS ID 4750310018
Record type Site
Current site name Barego
Alternate or previous names Barega Barite Deposit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 8.52404, 39.16624 (WGS84)
Elevation 210

Site location context

Political divisions (FIPS codes)

Sardegna(province)

Italy(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
Italy Sardegna

Commodities

Commodity Importance
Barium-Barite Critical Primary

Materials information

Materials Type of material
Barite Unknown
Calcite Unknown
Dolomite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) 8.52404, 39.16624
ListMap

Economic information

Ore body information

  • Thickness 200M
    Length 800M
    Width 500M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 STRATABOUND
    Shape of Orebody #1 PIPELIKE
    Type of Orebody #2 BRECCIA FILL
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 CARBONITIZATION
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 850716
  • Area 358HA
    Field Value
    Total Surface Area (HA) 358
    Date of Last Modification 910418

Comments on the geologic information

  • THE BAREGA DEPOSIT IS A SEDIMENTARY, STRATA-BOUND MINERAL DEPOSIT IN THE CAMBRIAN CARBONATE ROCKS. THE ORE BODY IS THE RESULT OF THE FILLING OF THE KARST CAVITIES. MINERALIZATION IS EITHER MASSIVE OR BRECCIATED AND OCCURS IN FUNNEL-SHAPED COLUMNS.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Non-metallic
Significant Yes
Mining method Open Stope - Sublevel
Year of first production 1968
Milling method Flotation

Mineral rights holdings

Type of mineral rights Fee Ownership

Ownership information

  • Type Owner-Operator
    Owner Bariosarda (Federally Owned), Cagliari, Sardinia
    Interest 100
    Home office Italy
    Year 1983

Production statistics

  • Year 1968
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 140000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 140000mt 35wt-pct
  • Year 1968
    Accuracy Estimate
    Description Av Est Grade Of Conc - 91% Baso4 29400 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 29400mt 91wt-pct
  • Year 1969
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 140000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 140000mt 35wt-pct
  • Year 1969
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 29400 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 29400mt 91wt-pct
  • Year 1970
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 29400 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 29400mt 91wt-pct
  • Year 1970
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 140000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 140000mt 35wt-pct
  • Year 1971
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 29400 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 29400mt 91wt-pct
  • Year 1971
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 140000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 140000mt 35wt-pct
  • Year 1972
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 150000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 150000mt 35wt-pct
  • Year 1972
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 28700 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 28700mt 91wt-pct
  • Year 1973
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 25300 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 25300mt 91wt-pct
  • Year 1973
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 134000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 134000mt 35wt-pct
  • Year 1974
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 128000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 128000mt 35wt-pct
  • Year 1974
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 22400 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 22400mt 91wt-pct
  • Year 1975
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 23900 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 23900mt 91wt-pct
  • Year 1975
    Description 134000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 134000mt
  • Year 1976
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 30600 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 30600mt 91wt-pct
  • Year 1976
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 161000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 161000mt 35wt-pct
  • Year 1977
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 157000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 157000mt 35wt-pct
  • Year 1977
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 32400 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 32400mt 91wt-pct
  • Year 1978
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 37800 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 37800mt 91wt-pct
  • Year 1978
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 180000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 180000mt 35wt-pct
  • Year 1979
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 38000 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 38000mt 91wt-pct
  • Year 1979
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 190000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 190000mt 35wt-pct
  • Year 1980
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 190000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 190000mt 35wt-pct
  • Year 1980
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 38000 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 38000mt 91wt-pct
  • Year 1981
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 31500 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 31500mt 91wt-pct
  • Year 1981
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 150000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 150000mt 35wt-pct
  • Year 1982
    Accuracy Estimate
    Description Av Est Feed Grade 35% Baso4 150000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Barium-Barite Barium 150000mt 35wt-pct
  • Year 1982
    Accuracy Estimate
    Description Av Est Grade Of Conc = 91% Baso4 31500 Mtpy Jig Product
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Barium-Barite Barium 31500mt 91wt-pct

Comments on the production information

  • THE BAREGA DEPOSIT IS A SEDIMENTARY, STRATA-BOUND MINERAL DEPOSIT IN THE CAMBRIAN CARBONATE ROCKS. THE ORE BODY IS THE RESULT OF THE FILLING OF THE KARST CAVITIES. MINERALIZATION IS EITHER MASSIVE OR BRECCIATED AND OCCURS IN FUNNEL-SHAPED COLUMNS. MUD-GRADE BARITE PRODUCED

Comments on the reserve resource information

  • M9C4 = M1C2; PROVEN RESERVES = 90% PROB CAT; PROV + INDICATED RESERVES = 75% PROB CAT PROB. + IND. + INFERRED RESERVES = 50% PROB CAT M9C5 = M1C1 MATRIX 9, COL 5 = MATRIX 1, COL 1

Workings at the site

  • Type of workings Surface
    Area 1HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method QUARRY
    Percent Waste Rock 33.3
    Avg. Overburden Thickness 0
    Hardness of Ore M-HARD ROCKS
    Capacity 131
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 8.26
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1983
  • Type of workings Underground
    Length 1000M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method SUBLEVEL 10-43
    Percent Waste Rock 33.3
    Percent Recovery 90
    Hardness of Rock SOFT SEMIPLASTIC WITH EXCESSIVE WATER
    Rock Characteristics NO PLANES OF WEAKNESS
    Rock Support Chars. SUPPORTING
    Mine Support Chars. TIMBER
    Length of Inclines (m) 400
    Slope of Inclines 8
    Number of Inclines 1
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity 523
    Capacity Units MT ORE/DAY
    Unit Production Cost 8.26
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 3
    Year of Information 1983

Comments on the workings information

  • UNDERGROUND HAULAGE DISTANCE IS 600 METERS. (AVERAGE)

Comments on other economic factors

  • M9C4 = M1C2 MATRIX 9, COL 4 = MATRIX 1, COL 2 PROVEN RESERVES = 90% PROB CAT; PROV + INDICATED RESERVES = 75% PROB CAT PROB. + IND. + INFERRED RESERVES = 50% PROB CAT M9C5 = M1C1 MATRIX 9, COL 5 = MATRIX 1, COL 1 THE SURFACE MINE IS AN UPWARD EXTENSION OF ORE VEIN FROM UNDERGROUND MINE. 80% OF TOTAL PRODUCTION IS FROM UNDER- GROUND AND 20% OF TOTAL PRODUCTION IS FROM SURFACE OPERATION. SINCE BOTH OPERATIONS ARE ADJACENT AND INTE- GRATED, THE OP. COSTS IS THE SAME FOR BOTH AND FOR EASE OF EVALUATION ALL CAPITAL COSTS ARE CONTAINED IN UNDERGRD. MINE RECORD U1. MINE DILUTION IS 25% (SUR. + UNDG).
  • M9C4 = M1C2 MATRIX 9, COL 4 = MATRIX 1, COL 2 PROVEN RESERVES = 90% PROB CAT; PROV + INDICATED RESERVES = 75% PROB CAT PROB. + IND. + INFERRED RESERVES = 50% PROB CAT M9C5 = M1C1 MATRIX 9, COL 5 = MATRIX 1, COL 1 THE SURFACE MINE IS AN UPWARD EXTENSION OF ORE VEIN FROM UNDERGROUND MINE. 80% OF TOTAL PRODUCTION IS FROM UNDER- GROUND AND 20% OF TOTAL PRODUCTION IS FROM SURFACE OPERATION. SINCE BOTH OPERATIONS ARE ADJACENT AND INTE- GRATED, THE OP. COSTS IS THE SAME FOR BOTH AND FOR EASE OF EVALUATION ALL CAPITAL COSTS ARE CONTAINED IN UNDERGRD. MINE RECORD U1. MINE DILUTION IS 25% (SUR. + UNDG). MINE TO MILL TRANS - COST INCLUDED IN MINE OP. COSTS PRODUCT USUALLY SOLD F.O.B. MARKET BUT FOR EVALUATION ASSUME 50% GOES TO CAGLIARE GRINDING PLANT (60KM, $5.00 PER MT) AND 50% TO ITALIAN MAINLAND (40 KM, TO PORT OF ANTIOCO, $5.00/MT, AND THEN 395 KM TO MAINLAND BY SHIP, $7.33/MT)

Reference information

General comments

Subject category Comment text
Deposit CAPACITY 1966-1982: 250 MT/DAY FOR 260 DAYS/YEAR=65000 MT/YR ALL INFORMATION PROVIDED FOR THIS DATA BASE IS FROM THE BAREGA AND MONTEGA FOREIGN BARITE DEPOSIT REPORT BY BROWN AND ROOT DEVELOPMENT, INC., HOUSTON, TEXAS, AUG 2, 1983, UNDER USBM CONTRACT NO.J0225017 DEVELOPMENT OF ENGINEERING AND COST DATA FOR FOREIGN ANTIMONY/ BARITE PROPERTIES.

Reporter information

Type Date Name Affiliation Comment
Reporter 13-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.

Maps centered on this site