 Canadian-based Ivanhoe Mines discovered the gold-copper ore deposit in 2001 in the Gobi Desert of Mongolia.It is in an area known as "Oyu Tolgoi" (Mongolian for "Turquoise Hill"), where in the time of Genghis Khan outcropping rocks were smelted for copper.The place was suspected to have mineralization by Mongolian geologists since 1950s.