Ahtium (known until 2017 as the Talvivaara Mining Company; Finnish: Talvivaaran Kaivososakeyhtiö Oyj) was a Finnish mining company that operated the Talvivaara nickel mine from the company's establishment in 2004 until the mining business was sold to the state-owned Terrafame in 2015. Formerly listed on the London and Helsinki Stock Exchanges, the company was a constituent of the OMXH25 index. Its mining business, Talvivaara Sotkamo, went bankrupt in November 2014, and it is bound for liquidation, with at least 98% of equity lost, and €1.4 million debt outstanding. The mine had suffered several leaks of toxic metal-contaminated tailings, which had threatened local waterways. Members of the management were charged with criminal environmental offenses. There has been considerable government involvement, with the Government of Finland being the largest single owner through their investment company Solidium. In 2015, the newly established government-owned corporation Terrafame bought the mining business of Talvivaara. Since February 2017 Terrafame, operating the Talvivaara Mine, have new owners from Singapore Trafigura and its Galena Asset Management. More information...
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