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Grong Gruber Joma/Gjersvik

Plant in Norway with commodities Copper, Sulfur, Zinc
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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. Economic information about the deposit and operations
  8. Mining district
  9. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Production statistics
  13. Reserves and resources
  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 10133854
MAS/MILS ID 4030410004
Record type Site
Current site name Grong Gruber Joma/Gjersvik
Alternate or previous names Grong Gruber, Limingen

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 13.83662, 64.84878 (WGS84)
Elevation 480
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Norway(country)

Europe(continent)

Land(continent)

Geographic areas

Country
Norway

Commodities

Commodity Importance
Copper Primary
Sulfur Primary
Zinc Critical Primary

Nearby scientific data

Ore Body (1) 13.83662, 64.84878
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Both
Significant Yes
Discovery year 1910
Mining method Open Stope - Sublevel
Year of first production 1972
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Grong

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner A/S Ardal Of Sunndal Verk
    Interest 25
    Home office Norway
    Year 1985
  • Type Owner
    Owner Elkem A/S
    Interest 25
    Home office Norway
    Year 1985
  • Type Owner
    Owner A/S Sulitjelma Gruber
    Interest 25
    Home office Norway
    Year 1985
  • Type Owner
    Owner A/S Sydvaranger
    Interest 25
    Home office Norway
    Year 1985

Production statistics

  • Year 1980
    Material ore
    Ore mined 405000mt
    Description Ore Production 405000 Mtpy
  • Year 1981
    Material ore
    Ore mined 402200mt
    Description Ore Production 402200 Mtpy
  • Year 1982
    Material ore
    Ore mined 424800mt
    Description Ore Production 424800 Mtpy
  • Year 1985
    Material ore
    Ore mined 400000mt
    Description Ore Production 400000 Mtpy

Reserves and resources

  • Type In-situ
    Estimate year 1974
    Measured 6800000mt ore
    Demonstrated 6800000mt ore
    Total resources 6800000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 30 wt-pct Sulfur Major 1974
    Copper Cu 1.7 wt-pct Copper Major 1974
    Zinc Zn 1.1 wt-pct Zinc Major 1974
  • Type In-situ
    Estimate year 1974
    Measured 8700000mt ore
    Demonstrated 8700000mt ore
    Total resources 8700000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 34 wt-pct Sulfur Major 1974
    Copper Cu 0.68 wt-pct Copper Major 1974
    Zinc Zn 1.94 wt-pct Zinc Major 1974
  • Type In-situ
    Estimate year 1974
    Measured 1800000mt ore
    Demonstrated 1800000mt ore
    Total resources 1800000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 28 wt-pct Sulfur Major 1974
    Copper Cu 1.43 wt-pct Copper Major 1974
    Zinc Zn 0.7 wt-pct Zinc Major 1974
  • Type In-situ
    Estimate year 1982
    Measured 16000000mt ore
    Demonstrated 16000000mt ore
    Total resources 16000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 32 wt-pct Sulfur Major 1982
    Copper Cu 1.13 wt-pct Copper Major 1982
    Zinc Zn 1.57 wt-pct Zinc Major 1982

Comments on the reserve resource information

  • THE I-INVESTMENT DATA TABLE WAS NOT UPDATED. IT WAS NOT ENTERED ON TO THE NEW SEQ# DATA BASE LISTING. SEE THE OLD LISTING IN THE PEFR. INSITU RESOURCES AS ESTIMATED FOR THE 1985 PROPERTY EVALUATION (ETD) AND THE 1986 UPDATE.
  • FOUR COMPANIES OWN THIS OPERATION, EACH WITH A 25% SHARE, THEY ARE; ELKEM-SPIGERVERKET A/S; A/S SULITJELMA GRUBER; A/S SYDVARAN GER; AND ARDAL OG SUNNDEL VERK A/S. PROPERTY NO LONGER PRODUCES PYRITE;02-19-88:COUNTRY SPECIALIST: THIS PROPERTY WILL STILL BE INCLUDED ON ADIT, IT WILL BE USED IN ANY FUTURE SULFUR STUDY.
  • PUBLISHED RESOURCES LISTED BY THE IFOC EVALUATORS, AS OF 1983. SEE THE "R" BIBLIOGRAPHY REFERENCE.

Workings at the site

  • Type of workings Underground
    Overall depth 0M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method SUBLEVEL 10-43
    Percent Waste Rock 14.3
    Percent Recovery 97.4
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Number of Shafts 0
    Length of Inclines (m) 800
    Number of Inclines 3
    Avg. Length of Adits (m) 2000
    Number of Adits 1
    1st Condition of Workings OPEN
    2nd Condition of Workings OPEN
    3rd Condition of Workings OPEN
    Capacity 2249
    Capacity Units MT ORE/DAY
    Operating Days per Year 200
    Operating Shifts per Day 3
    Year of Information 1985

Comments on other economic factors

  • A DETAILED EQUIPMENT LIST IS PUBLISHED IN THE "R" REFERENCE.
  • THE ADIT IS A 2KM LONG INCLINE, AT A 4% GRADIENT, THAT LEADS TO THE MAIN UNDERGROUND OPERATING AREA. THREE OTHER INCLINES, ONE, 300M; TWO, 250M, AT A 10% GRADIENT, LEAD THE WORKING AREAS OF THE MINE. THE METHOD OF MINING IS SUBLEVEL STOPING USING LHDS AND TRUCKS FOR EXCAVATION, LOAD AND HAUL.

Reference information

Bibliographic references

  • Geology

    GENESIS OF THE JOMA STRATIFORN SULFIDE DEPOSIT CENTRAL

  • Geology

    NORWEGIAN CALDONIDES, BY JORN OLSN, NORGES INDUSTRIFORBOUD

  • Geology

    SOLI, OSLO 2, NORWAY, PROCEEDINGS OF THE FIFTH QUADRENNIAL

  • Geology

    IAGOD SYMPOSIUM, STUTTGART, GERMANY, 1980, PP745-757.

  • Reserve-Resource

    KIRUNA TRUCK, "ROCAS Y MINERALES" NUMBER 121, JAUNARY 1982,

  • Reserve-Resource

    "THE KIRUNA K-501 TRUCK IN THE GRONG MINE".

  • Deposit

    GRONG GRUBER A/S, ANNUAL REPOST AND ACCOUNT, 1982.

  • Deposit

    BRITISH SULPHUR CORP. LTD., "SURVEY OF WORLD SULPHUR

  • Deposit

    RESOURCES", SECOND EDITION, 1974, PP ??.

  • Deposit

    RESOURCES", THIRD EDITION, 1985, PP77-81.

General comments

Subject category Comment text
Deposit THE NAME OF THIS OPERATION WAS "GRONG GRUBER" SEQ#4030000004 THE CORRECT POLITICAL SUBDIVISION WAS ADDED TO GET THE CORRECT SEQ#. A PYRITE IS NOT BEING RECOVERED, IT IS DUMPED INTO A LAKE, ALONG WITH THE TAILINGS.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-JAN-93 Buckingham, David A. 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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