Show russia claims copper mines mechanized russia claims to have mechanized completely all operations at the huge koonrad copper mine and the nearby Bal khash copper smelter As a result the soviet press ress asserts the Bal khash plant aas has increased copper output over 30 per cent during the past two years and purity of copper snipped shipped has been unproved improved substantially the mine near the north shore of lake Bal khash works deposits running a about b 0 u t 11 per cent cu mechanization has made it possible to exploit the low grade deposit ore from the open pit mine Is loaded into ton gondola cars pulled by electric engines at the mill the cars are dumped and the ore transported by belts to crushers where it is reduced to a 2025 20 25 mm min product the ore then moves to grinding and flotation sections |