Thousands of opponents of the $5B Minas Conga copper and gold project in Peru march on Lake Perol, vowing to stop Newmont Mining ( NEM -3% ) from eventually draining it to reservoirs NEM and partner Buenaventura ( BVN -2.6% ) are building. Protesters, who fear the mine would threaten their water, ... KINSHASA, June 17 (Reuters) - Security in Congo's copper-mining heartland of Katanga is a "very serious concern" that must be tackled politically and militarily, the outgoing head of the U.N. peackeeping mission said on Monday. Shares of Nevsun ( NSU -8.1% ) fall after the company updates FY13 guidance. NSUN says that because its revenues will come primarily from copper as opposed to gold this year, its shares will be removed from NYSE Arca Gold Miners Index which will in turn cause Van Eck Gold Miners ETF to sell its ... NEW DELHI, June 14 (Reuters) - India's biggest copper smelter is likely to re-open on Sunday after a two-month shutdown which was prompted by complaints from nearby residents about its emissions and has caused tightness in supply of the metal. Copper futures rise ( JJC ) after Freeport McMoRan ( FCX +1.8% ) declared force majeure at Indonesia's Grasberg mine, underscoring the potential for tighter supplies this year. Still, gains are muted as traders anticipate new copper supply to come on line as the massive Oyu Tolgoi mine in Mongolia ... June 12 (Reuters) - Freeport-McMoRan Copper & Gold Inc on Wednesday declared force majeure to free itself from obligations to deliver copper concentrate from its Grasberg mine in Indonesia, where work has been suspended after a May accident that killed 28 people. * China May exports, domestic activity show momentum loss * Brent crude oil down 0.6 pct; London copper off 1 pct * CRB index falls 0.4 pct after last week's 2 pct gain By Barani Krishnan NEW YORK, June 10 (Reuters) - Commodities ended mostly lower on Monday after weak data from the No. 2 economy ... Freeport McMoRan ( FCX ) declares force majeure to free itself from obligations to deliver copper concentrate from its Grasberg operations in Indonesia, where work has been suspended since May 15 due to an accident . FCX estimates the impact of the production halt so far is 80M lbs. of copper and ... TORONTO, June 12 (Reuters) - Lundin Mining Corp said on Wednesday it had reached a deal to buy a nickel-copper project under construction in Michigan from Rio Tinto for $325 million. Rio Tinto ( RIO ) plans to start exporting copper from the $6.2B Oyu Tolgoi mine in Mongolia on Friday, Reuters reports, marking the opening of a mine that will eventually make up one-third of the country's economy. For Rio, it is particularly important now as its Bingham Canyon mine in Utah was ...