GLOBAL GOLD MINING: Is technological learning overcoming the .
Gold mining, technological learning, declining ore grades, learning curves. 1.(4.8%), Ghana (4%), Canada (3.6%), Uzbekistan (3.6%), Brazil (2.6%), CIL plant, with a mineral resource of 133.2 gold tons and a mineral reserve of 59.5 tons. .. Misima gold/silver mine  ends its operation in 2001 with stockpile milling.Live Chat