MINING OUTPUT
Consolidated metal production from triple-listed Sierra Metals decreased 3% during the second quarter of the year, the base metals miner said Monday. Sierra, a Canada-based growing polymetallic mining company, attributed the decrease to lower throughput, lower head grades and lower recoveries of all metals – except gold recoveries at Bolivar copper mine, in Mexico – as well as lower throughput, lead and zinc head grades, and silver and lead recoveries at Cusi silver mine, in Mexico.
This content is only available to subscribers.
Forgot your password? Click here
Don't have any login details?
Free Trial Access