Overview

Europe's largest open-pit copper mine. Low-grade but very large-tonnage IOCG-style deposit.

Geological Context

Host Rock: Gneiss and schist (Paleoproterozoic)

Tectonic Setting: Craton margin

Geological Province: Fennoscandian Shield

Metallogenic Belt: Norrbotten IOCG Province

Operator: Boliden

Mining Method: Open Pit

Production Start: 1968

Source: Boliden reports

Last Verified: 2025-12-01

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