Argentina's government tightened controls on imports of equipment and supplies by mining companies on Monday in a new measure to boost the trade surplus and foreign currency stocks.
Canada's Forsys Metals Corp says it may be able to boost its uranium reserves in Namibia by 30 percent as it consolidates its two projects in the southern African nation into one mine development.
The Australian head of Adani Enterprises quit this week amid delays in getting approval for the Indian company's A$10.9 billion ($10.9 billion) coal and rail projects in Queensland.
China's autocatalyst palladium demand in 2011 rose 11 percent, outpacing single-digit growth in car sales as stricter emission regulations forced carmakers to use more platinum group metals, refiner Johnson Matthey said on Monday.
Prices of rough diamonds are expected to rise this year after a turbulent 2011, driven by recovering consumer demand in the United States and a robust appetite for the gems in Asia, the head of the World Diamond Council (WDC) told Reuters on Monday.
Barrick Gold, the world's largest gold producer, said on Monday its production of the yellow metal in Peru should be slightly lower this year than in 2011.
Rare earth miner Molycorp Inc posted a sharp rise in adjusted quarterly profit on Thursday that topped analyst forecasts as both realized prices and sales volumes climbed.
Vale, the world's second-biggest nickel producer, said on Thursday it would suspend sales and purchase agreements at its Goro project on the French Pacific island of New Caledonia after an accident at the mine's sulfuric acid plant.
India's Aditya Birla group has submitted a non-binding bid for Australian-listed iron ore miner Northern Iron Ltd, a newspaper report said, sending shares of the target firm up 19 percent to a six month high.
Louis James, a mining investment strategist at Casey Research's office outside Seattle, first started to hear the odd question about graphite a year ago.
A "Mirror Diamond" necklace bearing five Mughal empire pendant diamonds with emerald drops has been offered for private sale at a price of $20 million, auction house Bonham's said on Monday.
Sierra Club officials in Mississippi are continuing a legal fight to stop construction of a $2.88 billion coal-gasification power plant by a Southern Co utility in Kemper County, Mississippi.
