Ivanhoe drills 18% copper at Kamoa-Kakula

Brazil's Vale (NYSE:VALE) announced it has started producing copper concentrate at its Lubambe mine in Zambia.

Africa-focused copper miner Discovery Metals (ASX:DML) has rejected a bid from Shanghai's Cathay Fortune on the grounds that the proposed AUD$830 million consideration is insufficient.

The Chuquicamata mine in Chile - the world's largest open cut copper mine, will commence underground operations after nearly a century of open-cut production.

Canadian Lumina Copper Corp. (CVE:LCC) fell 8.5% Tuesday after the company hinted its expected sale will have to wait as it plans to carry a study at its Taca Taca massive copper/gold/molybdenum deposit in Argentina.

Renowned investment guru Stephen Leeb says China is pushing for a stronger yuan in order to cut the cost of its commodities purchases.

China's copper consumption levels are set to fall for the first time since 2008 on the country's easing growth and the resulting tepid demand for commodities.

Rio Tinto (ASX:RIO) has announced further retrenchments and cost cutting measures due to concerns that the slowdown in China's economic growth will be more pronounced than expected.

First ore from the massive copper-gold-silver mine is expected to be processed within six weeks of China and Mongolia signing the final power agreement.

Anglo Asian Mining disclosed Tuesday a surge in gold production at its flagship gold, copper and silver mine, in Azerbaijan, in the third quarter.