The Bugdainskoe mine is a large molybdenum mine located in the south of Russia in Zabaykalsky Krai. Bugdainskoe represents one of the largest molybdenum reserve in Russia and in the world having estimated reserves of 813 million tonnes of ore grading 0.08% molybdenum, 0.35million oz of gold and 6.2 million oz of silver.
References
Bugdainskoe mine Wikipedia(Text) CC BY-SA