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Yerakini

Past Producer in Khalkidhiki, Greece with commodity Magnesite
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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. Economic information about the deposit and operations
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10023810
MRDS ID I003001
Record type Site
Current site name Yerakini
Alternate or previous names Gerakini

Geographic coordinates

Geographic coordinates: 23.45176, 40.28207 (WGS84)

Site location context

Political divisions (FIPS codes)

Khalkidhiki(province)

Greece(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
Greece Khalkidhiki

Commodities

Commodity Importance
Magnesite Primary

Comments on the commodity information

  • MAGNESITE IS CRYPTOCRYSTALLINE, SNOW WHITE, MASSIVE OR NODULAR, PORCELANOUS, AND HAS CONCHOIDAL FRACTURE.

Materials information

Materials Type of material
Magnesite Ore
Calcite Gangue
Chalcedony Gangue
Dolomite Gangue
Quartz Gangue

Analytical data

Result THE CRYPTOCRYSTALLINE MAGNESITE IS VERY PURE (GENERALLY >98% MGCO3). THE CONTENTS OF CA, SI, FE, AND MN ARE VARIABLE.

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Harzburgite
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) 23.45176, 40.28207
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Economic information

Comments on the geologic information

  • OPHIOLITE SEQUENCE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Year of first production 1959

Ownership information

  • Type Operator
    Owner Grecian Magnesite S.A.

Comments on the production information

  • GRECIAN MAGNESITE PRODUCES 90,000 MT OF CAUSTIC CALCINED MAGNESITE AND 90,000 MT OF REFRACTORY MAGNESITE EACH YEAR. DEPENDING ON DEMAND, GRADE OF THE PRODUCED MATERIAL VARIES FROM 70-98% MGO.

Reference information

Bibliographic references

  • Deposit

    LEISTEL, JEAN-MARC, 1992, LE GISEMENT DE MAGNESITE DE YERAKINI (OU GERAKINI), CHALCIDIQUE, GREECE, IN VISITES DE GISEMENTS: CHRONIQUE DE LA RECHERCHE MINIERE, NO. 509, P. 46-47.

  • Deposit

    HARBEN, P.W., AND BATES, R.L., 1990, MAGNESITE AND MAGNESIA, IN INDUSTRIAL MINERALS GEOLOGY AND WORLD DEPOSITS: LONDON, INDUSTRIAL MINERALS DIVISION METAL BULLETIN PLC, P. 153-160.

General comments

Subject category Comment text
Deposit MAGNESITE VEINS OF THE VARDAR ZONE ARE UP TO 6 FT WIDE AND CONTACTS WITH THE HOST ROCK ARE IRRGULAR, BUT SHARP. THE MAGNESITE IS GENERALLY CRYPTOCRYSTALLINE, BUT IN MINUTE VEINS CAN BE FINELY GRANULAR OR FIBROUS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1993 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

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