Zinc

Workers at Freeport-McMoRan Copper & Gold's (FCX.N: Quote) Grasberg mine in Indonesia plan to stage a strike in coming days after talks with the company failed to resolve a pay dispute, a move that could tighten global copper supplies and lift prices. A strike would be the second in two months at Grasberg, the world's third biggest copper mine that also has the biggest gold reserves, after an eight-day stoppage in July caused production losses and helped push copper prices to three-month highs

Ollanta Humala, President-elect of Peru, fulfilled a campaign promise Thursday in announcing his government's intention to hit mining companies with higher royalty taxes. Humala, who was elected in July, campaigned on a promise to tax mining company profits and distribute them to the poor — a development that had investors and mining company CEOs running for cover in a country that is the world's second largest producer of copper and the sixth biggest gold miner. Companies now pay between 1% and 3% in royalties.

Reuters reports 50,000 protesters battled police in Chile's capital on Thursday, the second day of a two-day strike against unpopular President Sebastian Pinera. A recent poll put the right-wing leader's approval rating at only 26%, below even that of dictator General Pinochet, who ruled the country for 17 years from 1973. The protests follows recent strikes in the copper sector over pay and a campaign against a massive coal mine on an island in Patagonia amid accusations that billionaire Pinera’s shareholding in the developer, Copec, constitutes a serious conflict of interest.

Reuters Africa reports that copper rose 2 percent at a three-week high.

One of the largest mining companies operating in northern Peru says that a 7.0-magnitude earthquake that hit Peru Wednesday didn't interrupt operations. Roque Benavides, chief executive of precious metals mining company Compania de Minas Buenaventura SA (BVN, BUENAVC1.Vl), said in an email message he wasn't aware of any damage from the earthquake on its operations in northern Peru.

Mining company Rio Tinto PLC (RIO) Wednesday raised its ownership stake in Canada-based Ivanhoe Mines Ltd (IVN.T) by 2% to 48.5% as it sought to cement its commitment to the massive Mongolian Oyu Tolgoi copper-gold project. Rio Tinto paid C$18.98 a share and exercised its subscription right to the tune of C$529.5 million in order to increase its take in Ivanhoe Mines, the majority owner of the Oyu Tolgoi project.

BHP Billiton reported record annual results and beat analyst estimates in the process, after prices of copper, iron ore and coal reached all-time highs because of demand from China. Profit at the world's biggest miner surged 86% for the 12 months $23.6 billion, a full $1.4 billion ahead of expectations, on the back of earnings from iron ore, its biggest division, which jumped 122% to $13.3 billion.

The economic malaise that had markets pushing deep into the red over the last two weeks hit a bright spot on Tuesday. Copper futures rose the most in over a week, Bloomberg reported, on news of an uptick in the Chinese manufacturing sector.

TSX V-quoted Noront Resources on Tuesday published the results of a prefeasibility study into its Eagles Nest nickel-copper-platinum project in Ontario’s Ring of Fire, outlining a $734-million capital investment for a one-million ton a year mine.