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Outokumpu Lead and Zinc Mine – Tara – Eire

Producer of

Lead and zinc

Location

Navan, central Ireland

Ownership

Boliden AB (100%)

Geology type

Carboniferous limestone-hosted stratabound sulphides

Mineral type

Sphalerite, galena

Reserve base

15.7Mt grading approx. 9.0% Zn and 2.0% Pb (proven and probable)

Annual production

2.5Mt ore yielding 195,800t of zinc and 26,600t of lead (2005)

Mining method

Underground trackless, cut-and-fill, open stoping and room-and-pillar mining

Processing method

Crushing, rod and ball milling, flotation

Employment

700

Underground

Sandvik loaders and trucks

Atlas Copco mining equipment

Normet utility vehicles

Motorola mine communications system

Concentrator

Mostly supplied by Outokumpu
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