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Nygruvan and Knallagruvan Mines

Producer in Sweden with commodities Zinc, Lead, Silver, Copper, Arsenic
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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. Mineral occurrence model information
  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. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10089362
MRDS ID W018966
Record type Site
Current site name Nygruvan and Knallagruvan Mines
Alternate or previous names Zinkgruvan, Ammeberg Mine

Geographic coordinates

Geographic coordinates: 15.10271, 58.81533 (WGS84)
Relative position 9 KM SE OF AMMEBERG

Site location context

Political divisions (FIPS codes)

Sweden(country)

Europe(continent)

Land(continent)

Geographic areas

Country
Sweden

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Silver Primary
Copper Tertiary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Pyrrhotite Ore
Silver Ore
Sphalerite Ore
Tetrahedrite Ore
Biotite Gangue
Chlorite Gangue
Diopside Gangue
Garnet Gangue
Microcline Gangue
Muscovite Gangue
Plagioclase Gangue
Pyroxene Gangue
Quartz Gangue
Vesuvianite Gangue

Analytical data

Result 1968 ORE - 9.14% ZN, 1.47% PB. 1963 ORE - 10.3% ZN, 2.1% PB.

Mineral occurrence model information

Model code 60
USGS model code 18c
Deposit model name Skarn Zn-Pb
Mark3 model number 22

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss > Migmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Eoarchean
  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Granulite
    Rock unit name Leptite Series;Skarn;Skarn Banded Leptite
    Rock description Leptite Series;Skarn;Skarn Banded Leptite
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) 15.10271, 58.81533
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Parts Are Highly Folded, Some Faulting

Ore body information

  • General form CONFORMABLE THIN BEDS

Controls for ore emplacement

  • Syngenetic Deposition

Comments on the geologic information

  • ALL COUNTRY ROCKS ARE HIGHLY METAMORPHOSED

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1550
Year of first production 1857

Mining district

District name Ammeberg District, Zinkgruvan Area

Ownership information

  • Type Owner-Operator
    Owner Vielle - Montagne

Production statistics

  • Year 1974
    Period 1925-1974
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^10% Zn, 2% Pb, 54 G Ag/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 54g/mt
    Major Ore Lead Lead 2wt-pct
    Major Ore Zinc Zinc 10wt-pct

Comments on development

  • MILL.CAP: 354 MET TONS ; ECON.YEAR: 1975 ; ECON.COM: 1400 MTPD MILL IS AT AMMEBERG. CURRENTLY EXPANDING TO 600,000 MTPY

Reference information

Bibliographic references

  • Deposit

    HENRIQUES, AKE, 1964, GEOLOGY AND ORES OF THE AMMEBERG DISTRICT, (ZINKGRUVAN); SWEDEN, ARKIV FOR MIN. GEOL. V 4, NO 1, 246 P.

  • Deposit

    MAGNUSSON, N. H., 1950, ZINC AND LEAD DEPOSITS OF CENTRAL SWEDEN; INT. GEOL. CONG. 18TH, REPT. 7, P 371 - 79

  • Deposit

    E/MJ INTERNATIONAL DIRECTORY, 1976, P. 289.

  • Deposit

    RAUSCH AND MARIACHER, 1970, AIME SYMP ON PB-ZN, P. 954-955.

  • Deposit

    GRIP, E. 1978, SWEDEN, IN BOWIE, S.H.U., KVALHEIM, A., AND HASLAM, H.W., EDS., MINERAL DEPOSITS OF EUROPE, VOLUME 1: NORTHWEST EUROPE: LONDON, THE INSTITUTION OF MINING AND METALLURGY AND THE MINERALOGICAL SOCIETY, P. 93-108.

  • Production

    EMJ, 1976; RAUSCH AND MARIACHER, 1970; GRIP, 1978

General comments

Subject category Comment text
Deposit Discovery Year: 16TH CENT
Deposit 2 CLOSELY SPACED BANDS OF ORE-- THE MAIN AND PARALLEL ZONES. THE ORE IS BANDED WITH SHARP CONTACTS WITH THE HOST ROCKS. THE MAIN ORE ZONE CAN BE FOLLOWED FOR 4 KM.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1976 Schruben, Paul G. U.S. Geological Survey
Updater 01-DEC-1987 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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