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Morvan District Fluorspar Mines

Producer in Pays De La Loire, France with commodities Fluorine-Fluorite, Barium-Barite, Lead
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10069460
MRDS ID W006997
Record type Site
Current site name Morvan District Fluorspar Mines

Geographic coordinates

Geographic coordinates: 4.3021, 46.94892 (WGS84)
Relative position NEAR AUTUN, SAONE-ET-LOIRE.

Site location context

Political divisions (FIPS codes)

Pays De La Loire(province)

France(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
France Pays De La Loire

Comments on the location information

  • LAT. AND LONG. ARE FOR AUTUN. AREA MINES INCLUDE VOLTENNES, MAINE, ARGENTOLLE, PIERRE PERTHUIS, MARIGNY, THOSTES COURTCELLES. THE LAST 3 ARE STRATIFORM, THE FIRST 3 ARE VEINS

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Barium-Barite Critical Secondary
Lead Tertiary

Materials information

Materials Type of material
Barite Ore
Fluorite Ore
Calcite Gangue
Chalcopyrite Gangue
Galena Gangue
Pyrite Gangue
Quartz Gangue
Sphalerite Gangue

Alteration

  • (Local) Silicification

Analytical data

Result MAINE MINE: CAF2 - 55% FOR A WIDTH OF 2.5 M. ARGENTOLLE MINE: CAF2 - 50%, PIERRE PERTHUIS: CAF2 - 35%, BASO4 - 12%

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Microgranulite Tuffs;Calcite, Dolomite
    Rock description Microgranulite Tuffs;Calcite, Dolomite

Nearby scientific data

(1) 4.3021, 46.94892
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Autun Coal Basin
Type of structure Local
Structure description Joints

Ore body information

  • General form LINEAR AND TABULAR

Controls for ore emplacement

  • Vein Deposits - Fractures Normal To Fold Axis. Stratiform Deposits - Favorable Host Rock (Limestone, Dolomite)

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Large
Significant No
Discovery year 1861
Year of first production 1861

Mining district

District name Massif Central Area

Ownership information

  • Type Owner-Operator
    Owner Compagnie Francaise Des Minerais D'Uranium

Comments on the production information

  • ITEM 8 - VOLTENNES MINE WAS CLOSED IN 1972 AND IS CONSIDERED MINED OUT

Reserves and resources

  • Type In-situ
    Name MORVAN DIST. VEINS
    Estimate year 1972
    Total resources 500000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 50 wt-pct Fluorine Major 1972
  • Type In-situ
    Name MORVAN STRATIFORM DEP.
    Estimate year 1972
    Total resources 15000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 30 wt-pct Fluorine Major 1972

Comments on the reserve resource information

  • ITEM 1 - MAINE MINE ALONE HAS 600,000 M.T. OF ORE RESERVES. ABOVE ESTIMATE IS VERY CONSERVATIVE. ITEM 2 - PIERRE PERTHUIS CONTAINS 3 MILLION TONS OF 35% CAF2, 12% BASO4. THOSTES - COURTCELLES CONTAINS 3 MILLION TONS.
  • ITEM 1 - MAINE MINE ALONE HAS 600,000 TONS OF ORE RESERVES. ABOVE ESTIMATE IS VERY CONSERVATIVE. ITEM 2 - PIERRE PERTHUIS CONTAINS 3 MILLION TONS OF 35% CAF2, 12% BASO4. THOSTES COURTCELLES CONTAINS 3 MILLION TONS

Comments on the workings information

  • MAINE MINE HAS 2 MAJOR VEINS, THE GREEN AND THE WHITE. IT IS MINERALIZED FOR A LENGTH OF 1.5 KM, WIDTH IS 2.5 M, DEPTH IS 125 M. ARGENTOLLE AND VOLTENNES ARE VEIN TYPE, PIERRE PERTHUIS, MARIGNY AND THOSTES COURTCELLES ARE STRATIFORM DEPOSITS.

Comments on development

  • ECON.COM: HEAVY MEDIA MILL AT MAINE MINE. 45,000 TON PER YEAR.

Reference information

Bibliographic references

  • Deposit

    CHERMETTE, A., 1973, SPATH-FLUOR: METAL SERVICE, P. 17-18

  • Deposit

    CHERMETTE, A., 1970, L'INDUSTRIE MINIERE DU SPATH-FLUOR EN FRANCE: MINES ET METALLURGIE, MARCH 1969 - MAY 1970

  • Deposit

    SOULE DE LAFONT, D., 1967, LES GITES DE FLUORINE STRATIFORMES DE LA BORDURE NORO DU MORVAN: ETUDE, MARCH 1967, P. 86 - 107.

  • Production

    CHERMETTE, A., 1973, SPATH - FLUOR

  • Reserve-Resource

    CHERMETTE, A., 1973, SPATH-FLUOR P. 30

General comments

Subject category Comment text
Deposit First Production Year: VOLTENNES - 1861, MAINE - 1962

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1975 Schruben, Paul G. U.S. Geological Survey

Beyond USGS

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

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