Workers at Codelco’s Chuquicamata mine to vote on strike action

A planned dividend payment by steelmaker Siderar SID.BA was blocked by an Argentine judge on Thursday in the latest twist in a row linked to the government's efforts to tighten control over leading companies. The steel company had planned to pay a 2010 dividend of $359.5 million on Friday despite a ruling last month by the country's stock market regulator that effectively annulled the payment by declaring a shareholders meeting void.

Minefinders Corporation Ltd. (TSX:MFL)(NYSE Amex:MFN) today announced updated gold and silver mineral reserves and resources for the Dolores Mine. Fiscal 2010 marked the first meaningful exploration drilling program at Dolores since the commencement of the development of the mine in 2006 and this is the first update of reserves and resources for Dolores since 2008.

Though the hurdles of government approval and project financing remain, Orocobre (ASX: ORE; TSX: ORL) released a strongly positive feasibility study of […]

Mexico massively ramped up its gold reserves in the first quarter of this year, buying over $4 billion of bullion as emerging economies move away from the ailing U.S. dollar, which has dipped to 2-1/2-year lows. The third biggest one-off purchase of gold by any country over the past decade took Mexico's reserves to 100.15 tonnes -- or 3.22 million ounces -- by the end of March from just 6.84 tonnes at the end of January, according to the International Monetary Fund and Mexico's central bank.

CSN, Brazil's largest diversified steel group, said on Tuesday that net income jumped 38 percent in the first quarter from a year earlier thanks to robust sales of iron ore and lower sales costs. Sao Paulo-based CSN (CSNA3.SA)(SID.N) earned 616 million reais ($390 million) in the period, up from 447 million reais a year earlier, according to a securities filing. But this fell short of the 697 million reais profit estimate by five analysts in a Reuters poll.

Fourteen miners in northern Mexico are trapped underground after a gas explosion, BBC News reported Tuesday. According the story, rescuers have been unable to contact the men due to high levels of methane gas in the mine shaft. The accident happened close to the U.S. border at a small artisinal mine in the northern state of Coahuila.

Canada's Primero Mining Corp said the month-long strike at its San Dimas gold-silver mine in Mexico had ended and it did not expect the strike to hurt its full-year production outlook.

Greystar Resources Ltd. (TSX:GSL)(AIM:GSL) is pleased to announce receipt of a positive scoping stage Preliminary Assessment under National Instrument 43-101 ("Scoping Study") for an underground only operation at its 100%-owned Angostura gold-silver project in northeastern Colombia. Image by Greystar Resources Ltd.

BHP Billiton today announced that the partners of Samarco had approved the US$3.5 billion (BHP Billiton share1 US$1.75 billion) Fourth Pellet Plant Project at Samarco (Brazil). The expansion will increase Samarco iron ore pellet production capacity by 8.3 million tonnes to 30.5 million tonnes per annum (100% basis). First pellet production is expected in the first half of calendar year 2014. BHP Billiton President Iron Ore, Ian Ashby, said “Samarco is a low cost supplier of high quality iron ore pellets and over the last several years has been very successful in growing its resource base. This investment builds on its resource and operational strengths and will further improve Samarco’s competitiveness and market position.”