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  3. Mineral Resource Data System (MRDS)

Vammala Mine

Producer in Finland with commodities Nickel, Copper, PGE
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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. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10106907
MRDS ID M047029
Record type Site
Current site name Vammala Mine

Geographic coordinates

Geographic coordinates: 24.90277, 61.33181 (WGS84)
Relative position JUST WEST OF TAMPERE, NEAR HARJAVALTA.

Site location context

Political divisions (FIPS codes)

Finland(country)

Europe(continent)

Land(continent)

Geographic areas

Country
Finland

Commodities

Commodity Importance
Nickel Critical Primary
Copper Primary
PGE Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pentlandite Ore
Pyrite Ore
Pyrrhotite Ore

Alteration

  • (Local) Serpentinization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
    Rock unit name Kotalahti Formation
    Rock description Kotalahti Formation

Nearby scientific data

(1) 24.90277, 61.33181
ListMap

Economic information

Ore body information

  • General form PIPE-LIKE

Comments on the geologic information

  • THE ULTRAMAFIC INTRUSION HAS AT LEAST 3 LAYERS; THE SULFIDES ARE CONCENTRATED IN THE PERIDOTITE LAYER BY MAGMATIC SEGREGATION.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1961
Year of first production 1975

Ownership information

  • Type Owner
    Owner Outokumpu Oy

Production statistics

  • Year 1981
    Period 1975-1981
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^0.5% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Nickel Nickel 1wt-pct

Comments on the production information

  • GRADE IS REASONABLE, BUT SUB-ECONOMIC IN SIZE

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Total resources 10000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 0.5 wt-pct Nickel Major 1981
  • Type In-situ
    Estimate year 1980
    Total resources 18000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 0.5 wt-pct Nickel Major 1980
    Copper Cu 0.29 wt-pct Copper Major 1980

Reference information

Bibliographic references

  • Deposit

    MINING MAGAZINE, 12/78 , FINLAND: MEETING THE CHALLENGE: MINING MAGAZINE, P. 565 - 585

  • Deposit

    BGR, FEB., 1977

  • Deposit

    ROHSTOFFWIRTSCHAFTLICHE LAENDERBERICHTE, RHOHSTOFFE ZUR STAHLVEREDLUNG IN FINNLAND, NORWEGEN, SCHWEDEN.

  • Deposit

    DEYOUNG AND OTHERS, 1985, INTERNATIONAL STRATEGIC MINERALS INVENTORY SUMMARY REPORT--NICKEL: U.S. GEOLOGICAL SURVEY CIRCULAR 930-D, 62 P.

  • Production

    CUMULATIVE PRODUCTION IS FROM DEYOUNG AND OTHERS, 1985.

  • Reserve-Resource

    DEYOUNG AND OTHERS, 1985

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1979 Saso, Jerri L., Saam, H.G. (77 11) 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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