Gold Mining in Mongolia | SpringerLink
Since placer gold is not geologically integrated with its matrix, it is relatively easy to extract and does not require further crushing, milling, or the addition of chemicals such as mercury or cyanide. Instead companies use various forms of opencast mining and tunneling to extract the placer gold.Placer Gold Mining In Mongolia,Placer Gold Mining in Mongolia – the New Zealand Way. mining by Cold Gold Mongolia Ltd. (CGM), using a mobile screening plant and,express purpose of establishing a placer gold mining operation in Mongolia.Environmental problems of placer gold mining in the Zaamar,,The Zaamar placer gold mining district is located on the Tuul River, western Tov Aimag at latitude/longitude N48°17’50”, E104°24’65” in northern Mongolia's Lake Baikal and Arctic Ocean drainage. Large-scale placer gold mining operations began in the Zaamar region in 1992, and the soum's gold production in 1998 was 4,080 kg (Dallas 1999).