Copper

Rio Tinto is comfortable with the company's multibillion-dollar project budgets in Australia, where labour, input and services costs were all increasing, Chief Executive Tom Albanese said on Tuesday. "I'm comfortable that our budgets in Australia are being managed appropriately," Albanese said at a business lunch.

Zijin Mining Group Co Ltd said it plans a $280 million U.S. dollar-denominated bond issue, raising capital to acquire copper concentrate overseas for a smelter project of its unit. In a filing to the Hong Kong bourse on Tuesday, Zijin Mining said the bonds would have maturity of five years and a fixed interest rate of 4.25 percent per year during its term with interest payable semi-annually.

Papua Guinea's Prime Minister, Sir Michael Somare, has accused Australian mining giant Rio Tinto and its subsidiary Bougainville Copper Limited (BCL) of being behind the PNG military's bloody suppression of Bougainville rebels opposed to the company's

An expansion of one of the world's largest open pit copper mine received an important boost Monday after Utah regulators signed off on a permit allowing increased emissions from dust. Kennecott Utah Copper can now begin to actively pursue almost two dozen other permits that are needed for the mine's expansion, including approvals for the conversion of a coal-fired power plant to natural gas.

Viking Minerals commenced the review of pre-drilling and geological mapping of its South Dolly Varden gold / copper claims in Elko County, Nevada. This mapping is to facilitate a resolution of the zones of mineralization outlined by the surface geochem and rock samples and the 3,000 foot delineated coincident Induced Polarization (IP) anomaly with the intersection of the diamond drill core holes.

Minera Andes announced drill assay results from the January – May 2011 drill program and a development update for the 100% owned Los Azules Copper Project, in San Juan Province, Argentina. Highlights from the recent drilling include a step-out drill hole, located approximately 250 meters west of the resource that returned 0.50% copper over 269 meters, including 0.95% copper over 45 meters. Infill drilling was generally in line with expectations, for example intersecting 0.66% copper over 395 meters and 0.63% copper over 237 meters.

Former Arizona congressman Richard Renzi must face public corruption charges over allegations that he coerced a mining company into buying land from one of his former business partners, a U.S. appeals court ruled on Thursday. Renzi was elected to the U.S. House of Representatives in 2002.

Western Copper Corporation (TSX:WRN)(NYSE Amex:WRN) announced that its Board of Directors has unanimously approved a proposal to undertake a spin-out transaction that would reorganize the business and capital structure of the company into three separate public companies to allow Western Copper to focus on the development of its flagship Casino copper/gold/silver/molybdenum project.

Data out this week show the likes of Goldman Sachs and JP Morgan raking in record revenues of almost $1bn/month in commodity and other trading revenue. A recent study of mining mergers and acquisitions shows the proportion of financial firms – as opposed to other miners – taking over resource companies had increased fourfold. And perhaps the most significant indication that US banking practices honed in the property markets have arrived in minerals is news that star metals traders now command pay as high as $3 million/year.