Kainuu region of Finland. The mine is owned by government-established Terrafame, which bought it from the bankruptcy-bound Talvivaara Mining Company in
Retrieved 2017-09-28. "Taustatietoa Terrafame Oy:n ja Katera Steel Oy:n välisestä kaupasta - Terrafame". www.terrafame.fi. Firm owned by PM's relatives gets
establishment in 2004 until the mining business was sold to the state-owned Terrafame [fi] in 2015. Formerly listed on the London and Helsinki Stock Exchanges
near their Veladero mine. Since 2007 in central Finland, the Talvivaara Terrafame polymetal mine's waste effluent and leaks of saline mine water have resulted