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Boliden Silver Mine, Garpenberg, Sweden

Producer of

Zinc and lead


Dalecarlia, central Sweden


Boliden (100%)

Geology type

Stratabound sulphide deposits hosted in Precambrian volcanic and carbonate rocks

Mineral type

Sphalerite, galena and other sulphides

Reserve base

10.6Mt proven and probable (2006)

Annual production

1.1Mt/y ore

Mining method

Cut-and-fill, rill and sublevel stoping

Processing method

Autogenous grinding followed by sequential flotation to produce zinc, lead and copper concentrates




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