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Mykonos Mykobar

Producer in Greece with commodity Barium-Barite
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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. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Production statistics
  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 10158430
MAS/MILS ID 4840500001
Record type Site
Current site name Mykonos Mykobar
Alternate or previous names Mykonos Mykobar Barite Mine, Mykonos Operations

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 25.40167, 37.39886 (WGS84)
Elevation 150

Site location context

Political divisions (FIPS codes)

Greece(country)

Europe(continent)

Land(continent)

Geographic areas

Country
Greece

Commodities

Commodity Importance
Barium-Barite Critical Primary

Materials information

Materials Type of material
Barite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) 25.40167, 37.39886
ListMap

Economic information

Ore body information

  • Strike N45W
    Dip 90S
    Thickness 2M
    Length 300M
    Width 130M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 SILICIFICATION
    Strike And Dip N45W:90S
    Date of Last Modification 850905
  • Area 1HA
    Field Value
    Total Surface Area (HA) 1
    Date of Last Modification 910418

Comments on the geologic information

  • MAXIMUM ESTIMATED AREA OF DISTURBANCE - 1 HA. THERE ARE 5 VEINS (GEO-2 REC 11 DESCRIBES VEIN NO. 1A). STRIKE LENGTH IS APPROXIMATELY 2KM NW-SE AND DIP IS VERTICAL. VEINS NOS 2, 3, AND 4 MINED OUT. PRESENTLY VEINS NOS. 1 AND 5 BEING MINED. SIZE OF NO 1B VEIN IS 350-M LONG, 50-M WIDE, AND 1.8-M THICK. VEIN NO. 5 IS 120-M LONG, 1000-M DOWN DIP AND 2.5-M THICK.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Non-metallic
Significant Yes
Mining method Shrinkage Methods - Overhand Shrinkage
Year of first production 1953
Milling method Jig

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Mykonos Mykobar Mining Co. (Sub. Dresser Ind., Dallas)
    Interest 100
    Home office Texas
    Year 1979

Comments on the ownership information

  • OPERATOR: MYKONOS MYKOBAR MINING CO.

Production statistics

  • Year 1967
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 100000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 100000mt 69wt-pct
  • Year 1968
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 100000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 100000mt 69wt-pct
  • Year 1969
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 100000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 100000mt 69wt-pct
  • Year 1970
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 100000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 100000mt 69wt-pct
  • Year 1971
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 100000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 100000mt 69wt-pct
  • Year 1972
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 100000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 100000mt 69wt-pct
  • Year 1973
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 100000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 100000mt 69wt-pct
  • Year 1974
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 100000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 100000mt 69wt-pct
  • Year 1975
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 100000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 100000mt 69wt-pct
  • Year 1976
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 90000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 90000mt 69wt-pct
  • Year 1977
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 90000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 90000mt 69wt-pct
  • Year 1978
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 90000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 90000mt 69wt-pct
  • Year 1979
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 161000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 161000mt 69wt-pct
  • Year 1980
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 68000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 68000mt 69wt-pct
  • Year 1981
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 68000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 68000mt 69wt-pct
  • Year 1982
    Accuracy Estimate
    Description Average Est Grade Ore Mined - 69% Baso4 68000 Mtpy Ore Mined
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Ore Barium-Barite Barium 68000mt 69wt-pct

Comments on the production information

  • OPERATOR: MYKONOS MYKOBAR MINING CO. MAXIMUM ESTIMATED AREA OF DISTURBANCE - 1 HA. THERE ARE 5 VEINS (GEO-2 REC 11 DESCRIBES VEIN NO. 1A). STRIKE LENGTH IS APPROXIMATELY 2KM NW-SE AND DIP IS VERTICAL. VEINS NOS 2, 3, AND 4 MINED OUT. PRESENTLY VEINS NOS. 1 AND 5 BEING MINED. SIZE OF NO 1B VEIN IS 350-M LONG, 50-M WIDE, AND 1.8-M THICK. VEIN NO. 5 IS 120-M LONG, 1000-M DOWN DIP AND 2.5-M THICK. BARITE CONCENTRATE TOO LOW-GRADE FOR "MUD GRADE" - BLENDED AT GRINDING PLANT WITH HIGHER-GRADE BARITE.

Comments on the reserve resource information

  • OPERATOR: MYKONOS MYKOBAR MINING CO. MAXIMUM ESTIMATED AREA OF DISTURBANCE - 1 HA. THERE ARE 5 VEINS (GEO-2 REC 11 DESCRIBES VEIN NO. 1A). STRIKE LENGTH IS APPROXIMATELY 2KM NW-SE AND DIP IS VERTICAL. VEINS NOS 2, 3, AND 4 MINED OUT. PRESENTLY VEINS NOS. 1 AND 5 BEING MINED. SIZE OF NO 1B VEIN IS 350-M LONG, 50-M WIDE, AND 1.8-M THICK. VEIN NO. 5 IS 120-M LONG, 1000-M DOWN DIP AND 2.5-M THICK. BARITE CONCENTRATE TOO LOW-GRADE FOR "MUD GRADE" - BLENDED AT GRINDING PLANT WITH HIGHER-GRADE BARITE. M9C4=M1C1; PROVEN RESERVE = 90% PROB CAT; PROV + IND. RESERVES = 75% PROB CAT; PROV + IND + INFERRED RESERVES = 50% PROB CAT. DRILLING INDICATED CONTINUATION OF NO. 2 VEIN UP TO 300M BELOW SEA LEVEL. THIS QUANT. MATRIX REPRESENTS THIS ORE. NO PLANS TO DEVELOP THIS ORE BODY M9C5=M2C1.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OVERHAND SHRINKAGE 10-67
    Percent Waste Rock 64.2
    Percent Recovery 85
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics NO PLANES OF WEAKNESS
    Rock Support Chars. SUPPORTING
    Mine Support Chars. UNKNOWN
    Length of Inclines (m) 600
    Slope of Inclines 15
    Number of Inclines 1
    1st Condition of Workings OPEN
    Capacity 272
    Capacity Units MT ORE/DAY
    Unit Production Cost 13.63
    Units of Production $/MT ORE
    Operating Days per Year 249
    Operating Shifts per Day 1
    Year of Information 1983

Comments on the workings information

  • OPERATOR: MYKONOS MYKOBAR MINING CO. MAXIMUM ESTIMATED AREA OF DISTURBANCE - 1 HA.

Comments on other economic factors

  • ORE TRUCKED TO MINE 5.5 KM BY CONTRACTOR FOR $1.68/MT ORE SHIPPED TO U S GULF COAST GRINDING PLANTS (ASSUME HOUSTON, TX) 12,600 KM FOR SHIPPING COST OF $17.68/MT CONCENTRATE. DEPOSIT LOCATED ON THE ISLAND OF MYKONOS, GREECE
  • ORE TRUCKED TO MINE 5.5 KM BY CONTRACTOR FOR $1.68/MT ORE SHIPPED TO U S GULF COAST GRINDING PLANTS (ASSUME HOUSTON, TX) 12,600 KM FOR SHIPPING COST OF $17.68/MT CONCENTRATE. DEPOSIT LOCATED ON THE ISLAND OF MYKONOS, GREECE ORE DILUTION IS 10%. AVERAGE HAULAGE DISTANCE INSIDE MINE FOR ORE AND WASTE IS 400M (FACE TO PORTAL). ORE HAULED TO CONCENTRATOR OVER 2 SHIFTS PER DAY.

Reference information

Bibliographic references

  • Geology

    SLOTIS, G. L. BARYTES DEPOSIT OF GREECE: SANDS, CLAYS AND

  • Geology

    MINERALS, VOL 3, NO 1, 1936, PP. 43-6..

  • Geology

    INDUSTRIAL MINERALS. A SUMMARY OF WORLD BARITE PRODUCERS,

  • Geology

    PP. 48-55. (NO DATE GIVEN)

  • Geology

    INDUSTRIAL MINERALS. WORLD BARYTES PRODUCERS - A REVIEW,

  • Geology

    JUL 1978, PP. 33-47.

  • Geology

    CHEMICAL & ENGINEERING NEWS, V 35, N 32, AUG 12, 1957, P. 78

  • Deposit

    1978 ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY

  • Deposit

    OF MINING AND MINERAL PROCESSING OPERATIONS, MCGRAW-HILL,

  • Deposit

    1978, P. 294.

  • Deposit

    LEDBETTER, JAMES R., 1979-1980 WORLD MINES REGISTER, MILLER

  • Deposit

    FREEMAN PUBLICATIONS INC. 1979, P. 107.

General comments

Subject category Comment text
Deposit CLOSED IN EARLY 1992. ALL INFORMATION PROVIDED FOR THIS DATA BASE IS FROM THE MYKONOS MYKOBAR FOREIGN BARITE DEPOSIT REPORT BY BROWN & ROOT DEVELOPMENT INC., HOUSTON, TEXAS, MAY 23, 1983, UNDER USBM CONTRACT NO.J0225017 DEVELOPMENT OF ENGINEERING AND COST DATA FOR FOREIGN ANTIMONY/BARITE PROPERTIES. OPERATOR: MYKONOS MYKOBAR MINING CO.

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.

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