Tömörtiin Ovoo Zinc Mine

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The Tömörtiin Ovoo Zinc Mine (Mongolian: Төмөртийн овоо, heap of iron) is a mining and dressing plant in the Sükhbaatar sum (district) of Sükhbaatar Province in eastern Mongolia. This mine is 40 km W from the sum center and 13 km N from the province capital Baruun-Urt.

It was officially put into production in August 28, 2005, with 300,000 tons ore dressed and 80,000 tons zinc concentrate produced per year.^[1] Zinc concentrate is transported from the mining site to the transfer railway station Sainshand and exported via the Trans-Mongolian Railway.

It was calculated in 1980 that the deposit possesses 70,572,290 tons of ore with an average grade of 13.67% of zinc by B+C reserve category which is equivalent to 1,034,860 tons of metallic zinc. In 1997 the Mongolian company Metallimpex LLC and China-based NFC entered into a Cooperation Agreement to jointly mine the deposit and established Tsairt Mineral LLC, a Mongol-Chinese Joint Venture.^[2]