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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. Host and associated rocks
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Production statistics
  11. Reserves and resources
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10024515
MRDS ID ISM0239
Record type Site
Current site name Vammala Mine
Alternate or previous names Stormi Mine

Geographic coordinates

Geographic coordinates: 24.90277, 61.33181 (WGS84)

Site location context

Political divisions (FIPS codes)

Finland(country)

Europe(continent)

Land(continent)

Geographic areas

Country
Finland

Comments on the location information

  • 5 KM EAST OF VAMMALA, ABOUT 50 KM SW OF TAMPERE, AND ABOUT 170 KM NW OF HELSINKI

Commodities

Commodity Importance
Nickel Critical Primary
Copper Primary
PGE Critical Primary

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) 24.90277, 61.33181
ListMap

Economic information

Comments on the geologic information

  • FAULTING; PYTT; PNLD; CLCP + PYRT; THE VAMMALA AREA IS LOCATED SOUTH OF THE TAMPERE SCHIST BELT. ULTRAMAFIC BODIES OCCUR AS SMALL ISOLATED INTRUSION-S WITHIN HIGHLY METAMORPHOSED GNEISSES. GRANODIORITES ARE THE- PREDOMINANT PLUTONIC ROCKS. THE STORMI ULTRAMAFIC INSTUSION -CONTAINS AT LEAST THREE MAJOR LAYERS: 1) AN HYPIDIOMORPHIC PE-RIDOTITE LAYER ON THE BOTTOM, 2) AN INTERMEDIATE GRONOBLASTIC -HORNBLENDITE LAYER, AND 3) AN UPPER CATACLASTIC PERIDOTITE LAY-ER. MOST OF THE SULFIDES ARE CONCENTRATED IN THE LOWEST PERID-OTITE 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
Year of last production 1983

Ownership information

  • Type Operator
    Owner Outokumpu Oy
  • Type Owner
    Owner State Owned

Production statistics

  • Year 1981
    Period 1975-1981
    Accuracy Accurate
    Description Cp_Grade: ^0.5% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Nickel Nickel 1wt-pct
  • Year 1981
    Period 1979-81
    Accuracy Accurate
    Description Ap_Grade: ^0.58% Ni (Yield)
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Nickel Nickel 1wt-pct

Comments on the production information

  • PA2: NICKEL IN CONCENTRATE

Reserves and resources

  • Type In-situ
    Estimate year 1974
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 0.48 wt-pct Nickel Major 1974
  • Type In-situ
    Estimate year 1978
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.3 wt-pct Copper Major 1978
  • Type In-situ
    Estimate year 1981
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 0.7 wt-pct Nickel Major 1981
  • Type In-situ
    Estimate year 1980
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.4 wt-pct Copper Major 1980

Comments on the reserve resource information

  • RR1: INDICATED RESERVES; RR2: REFERS TO SOTKA ORE BODY.

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(YES);

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). SURFACE-UNDERGROUND CONCENTRATE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1983 Foose, Michael P. U.S. Geological Survey

Beyond USGS

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

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