Business
Mineral Resources and Mineral Reserves 2025
Mineral Resources and Mineral Reserves 2025
About this update from Boliden Ab
[{"type":"text","content":"STOCKHOLM, Feb. 3, 2026 /PRNewswire/ --","length":39,"tagName":"p"},{"type":"text","content":""Across our operations, we delivered strong growth in Mineral Resources this year, driven by successful exploration and favorable economic assumptions. Garpenberg, the Boliden Area, and Nautanen were key contributors to this achievement. Additionally, Mineral Reserves have increased in both acquired units as well as in the Boliden Area and in Tara, which we of course are very happy about," says Stefan Romedahl, Director Business Area Mines.","length":454,"tagName":"p"},{"type":"text","content":"The cost of exploration in 2025 was SEK 969 m (929).","length":52,"tagName":"p"},{"type":"text","content":"Aitik","length":5,"tagName":"p","attribs":{"class":"wcag-arialevel-4"},"className":""},{"type":"text","content":"This year, there was a slight decrease in Aitik's Mineral Reserves of 40 Mtonnes (-4%) mainly due to mining. A new Resource pit optimization, using updated prices, terms and cost model, resulted in an increase of Mineral Resources: Measured and Indicated Resources 214 Mtonnes (36%) and Inferred Resources 63 Mtonnes (20%). Liikavaara, located 3 km from Aitik, began production in 2024, and ramp-up continued through 2025. Liikavaara which is processed together with Aitik ore contributed with 25% of the produced tonnes this year. In total, 39 Mtonnes were milled in 2025.","length":577,"tagName":"p"},{"type":"text","content":"At the Nautanen deposit, approximately 15 km north of Aitik, a significant increase of Mineral Resources were reported in 2025: Indicated Resources 7Mtonnes (51%) and Inferred Resources 20 Mtonnes (173%). Both successful exploration as well as favorable metal prices contributed to the increase.","length":295,"tagName":"p"},{"type":"text","content":"The Boliden Area","length":16,"tagName":"p","attribs":{"class":"wcag-arialevel-4"},"className":""},{"type":"text","content":"In the Boliden Area, there was a total increase in Mineral Reserves by 2.0 Mtonnes (13%). All mines (Kankberg, Kristineberg and Renström) contributed to this increase, with Kankberg being the largest contributor due to increased gold price assumption. Mineral Resources also increased in all mines as well as in surrounding development projects, mainly due to successful exploration as well as economic assumptions. The most significant ...