ban cyanide in sandstone mining legal technical research fund
Mineral Reserves to be mined using underground methods are based on a modified transverse longhole stoping mining method, gold price of US$1,350/oz, metallurgical recovery of 98%, selling costs of US$57.44/oz including royalties and levies, average mining cost of US$83.60/t mined, average processing cost of US$12.26/t processed, general costs ...
Release Time : 08-05