Montredon

Past Producer in France with commodity Tungsten
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. Ownership information
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10134291
MAS/MILS ID 4270820005
Record type Site
Current site name Montredon

Geographic coordinates

Geographic coordinates: 2.23526, 42.79904 (WGS84)

Site location context

Political divisions (FIPS codes)

France(country)

Europe(continent)

Land(continent)

Geographic areas

Country
France

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Arsenopyrite Unknown
Cassiterite Unknown
Chalcopyrite Unknown
Scheelite Unknown
Wolframite Unknown

Nearby scientific data

(1) 2.23526, 42.79904

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin METAMORPHISM
    Primary Ore Control UNKNOWN
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 830902

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant Yes
Discovery year 1942
Mining method Open Pit
Year of first production 1950
Milling method Gravity

Ownership information

  • Type Owner
    Owner Bureau Des Rechenches Geologiques Et Minieres
    Interest 60
    Home office France
    Year 1982
  • Type Owner
    Owner Societe Miniere Et Metallurgique De Penarroya
    Interest 40
    Home office France
    Year 1982

Comments on the reserve resource information

  • FORMERLY LISTED UNDER MAS SEQ. NO. 4270000015. RESOURCES AS OF 1/83.
  • 85% MINE RECOVERY. 5% ORE DILUTION.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Primary Material Cover HARD ROCKS
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 12
    Max. Pit Slope (degrees) 70
    Capacity 435
    Capacity Units MT ORE/DAY
    Unit Production Cost 13.4
    Units of Production $/MT ORE
    Operating Days per Year 230
    Operating Shifts per Day 2
    Year of Information 1982

Comments on other economic factors

  • TRANSPORTATION COSTS MILL TO SMELTER: $96/MT.

Reference information

Bibliographic references

  • Deposit

    BEZIAT, P., PROUHET, J.P., AND TOLLON, F., LE DISTRICT DE

  • Deposit

    MONTREDON-LEBESSONIE (TARN), 26E. CONGRESS GEOLOGIQUE

  • Deposit

    INTERNATIONAL, PARIS 7-17 JULY 1980.

  • Deposit

    ANNALES DES MINES, NOVEMBER-DECEMBER 1981.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Rfb U.S. Bureau of Mines

Beyond USGS

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