Treatment Of Manganiferous Silver Ores For Recovery Of Silver In View Of Changed Precious Metal Economics (2731deb0-865c-4774-b373-eb29c379e0d1)

Since the dam of cyanidation leaching techniques for precious metals, certain manganese-bearing silver ores have been a problem due to low silver extractions. Since simultaneous occurrence of silver and manganese is common in nature, this situation has made many otherwise attractive silver deposits uneconomic in the past. Several older techniques have been useful but at $1.29 per ounce of silver, the economics were unfavorable. With the new look in silver prices and some improvements in processing technology, neglected silver districts offer new promise.