Pyhäsalmi Mine, Pyhäjärvi, Oulun (Oulu) Lääni, Finland

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A very deep (>1400 m) base metal mine.
Syngenetic, submarine VMS type Cu-Zn deposit (discovered in 1958) significantly affected by regional metamorphism.
Open-pit mining 1962-1967 (finally stopped in 1975); underground mining since 1967.
Originally owned and operated by Outokumpu Co., but today by INMET.

Refs.:
- Mining Annual Review (1985): 506

- http://www.gsf.fi/explor/zinc/pyhasalmi.htm.
- http://www.gl.rhbnc.ac.uk/geode/Fennoscandia/Pyhasalmi.html
- http://en.wikipedia.org/wiki/Pyh%C3%A4salmi_Mine

Map Reference: 63°41'N , 25°59'E

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Mineral List:

28 entries listed. 23 valid minerals. 1 type locality (valid mineral).

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