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  3. Mineral Resource Data System (MRDS)

Kaefersteige

Producer in Baden-Wurttemberg, Germany with commodity Fluorine-Fluorite
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Ownership information
  11. Production statistics
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10133818
MAS/MILS ID 4280450002
Record type Site
Current site name Kaefersteige
Alternate or previous names Kaefersteige Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 8.40216, 48.49882 (WGS84)
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Baden-Wurttemberg(province)

Germany(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
Germany Baden-Wurttemberg

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Nearby scientific data

Ore Body (1) 8.40216, 48.49882
ListMap

Economic information

Ore body information

  • Thickness 9M
    Length 500M
    Width 300M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 OTHER
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Date of Last Modification 850801

Comments on the geologic information

  • OREBODY IS HYDROTHERMAL VEIN WHICH AVERAGES 12 METERS IN WIDTH AND STRETCHES UNDER THE BLACK FOREST FOR A NUMBER OF KILOMETERS.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Non-metallic
Significant Yes
Mining method Caving Methods - Sublevel Caving
Year of first production 1972
Milling method Flotation

Mineral rights holdings

Type of mineral rights Other
Type of mineral rights Federal Lease

Ownership information

  • Type Owner-Operator
    Owner Flus Und Schwerspatwerke(Bayer Ag)
    Interest 100
    Year 1984

Production statistics

  • Year 1979
    Material ore
    Ore mined 50000mt
    Description Production As Reported By Dames & Moore 50000 Metric Tons Ore/Year
  • Year 1980
    Material ore
    Ore mined 60000mt
    Description " 60000 "
  • Year 1981
    Material ore
    Ore mined 70000mt
    Description " 70000 "
  • Year 1982
    Material ore
    Ore mined 75000mt
    Description " 75000 "
  • Year 1983
    Material ore
    Ore mined 60000mt
    Description " 60000 "

Comments on the production information

  • ORE PRODUCED BY THE KAEFERSTEIGE MINE SUPPLIES 66% OF ORE TREATED AT KARLSUHE MILL. MAJORITY OF REMAINING ORE TREATED AT MILL IS PURCHASED. PURCHASED ORE GRADE TYPICALLY RUNS 50.00% CAF2 TO AS HIGH AS 70.00% CAF2, WITH AN AVER. OF 55.80%, AS REPORTED BY DAMES & MOORE PRODUCT DESIGNED CAPACITY AS CALCULATED BY: ((DESIGNED MINE PRODUCTION/ANNUAL WORKING DAYS)/PERCENT ORE TREATED AT MILL AS PRODUCED BY KAEFERSTEIGE MINE.) CAPACITY OF THE PLANT AT THE KARLSRUHE PORT IS AROUND 50,000 DRY TPA.

Comments on the reserve resource information

  • SUBSIDIARY OF BAYER AG. ACID GRADE FLUORSPAR.
  • RESERVE ESTIMATES AS REPORTED BY DAMES & MOORE, 1983.

Workings at the site

  • Type of workings Underground
    Overall depth 182M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method SUBLEVEL CAVING 10-75
    Percent Waste Rock 10
    Percent Recovery 90
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Number of Shafts 1
    Avg. Length of Adits (m) 1500
    Number of Adits 1
    1st Condition of Workings OPEN
    Capacity 250
    Capacity Units MT ORE/DAY
    Unit Production Cost 30
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 1
    Year of Information 1983

Comments on other economic factors

  • THE COMPANY EXPLOITS THE DEPOSIT OVER A LENGTH OF 1KM BY SUBLEVEL CAVING. DRILLING IS CARRIED OUT BY ELECTRO-HYDRAULIC JUMBES, AND THE ORE LOADED BY LHDS. CRUSHING IS CARRIED OUT UNDERGROUND, AND A MODERN RAMP SYSTEM ENABLES TRUCKS TO TRANSPORT CURSHED ORE TO THE SURFACE.
  • MINING IS BY SUBLEVEL CAVING TECH. MINE SUPPORT IS BY CEMENTED BACKFILL

Reference information

Bibliographic references

  • Deposit

    THE FORMATION OF FLOURSPAR MINERALIZATION IN THE BLACK

  • Deposit

    FOREST REGION, GERMAN PUBLICATION OF UNKNOWN ORIGIN,

  • Deposit

    PUBLISHED IN 1982.

  • Deposit

    INDUSTRIAL MINERALS. APRIL 1993. NO. 307. P. 49.

General comments

Subject category Comment text
Deposit DATA CONTAINED IN THIS FILE WAS COLLECTED BY DAMES & MOORE UNDER U.S. BUREAU OF MINES CONTRACT #JO225010 IN 1983.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-DEC-94 Kilgore, Catherine C. 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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