Gold Fields GFIJ. said on Friday that its attributable group production for the March quarter was expected to decline from the previous quarter to about 830,000 ounces. "As expected production is lower than that achieved in the previous quarter (900,000 ounces), almost entirely due to the customary Christmas break in South Africa, when all mines close for two weeks," it said in a brief guidance for investors.

Gunmen killed two workers on Thursday at Freeport-McMoran Copper & Gold Inc's giant gold mine in Indonesia's Papua, a province with a simmering separatist movement. A Freeport company spokesman said the shooting by unidentified gunmen, which left the car the two workers were in a blazing wreck, did not affect production at the world's largest gold mine.

Atlantic Coal plc, the AIM listed open cast coal production and processing company with activities in Pennsylvania, USA, is pleased to announce a production update for the three months ended 31 March 2011 from the Stockton Colliery (‘Stockton'), its opencast anthracite operation in Pennsylvania. During the quarter, Atlantic mined 120,850 tons of run-of-mine coal (‘ROM') and removed 658,785 bank cubic yards (BCYs) of overburden. 62,000 tons of ROM coal was washed which produced 28,376 tons of clean coal.

Ivernia Inc said it expects to place its flagship lead mine in western Australia under full care and maintenance for an indefinite period and lay off about 83 percent of related workforce amid environmental concerns surrounding the mine, sending its shares down 23 percent to a nine-year low.

Indian-focused miner Vedanta Plc (VED.L: Quote) saw record aluminium production in its fourth quarter and a 29 percent jump in refined zinc from its Indian operations, helping it take advantage of rising metal prices.

Australian mining giant Rio Tinto has received the green signal to undertake mining activities in India, with the Orissa government granting a proposal for a fresh agreement on Thursday, April 7. State-run Orissa Minerals Development Company (OMDC), a part of the Bird Group of Companies under the Indian government's ministry of steel had been in discussions with the world's biggest mining company, Rio Tinto, for a joint venture in the state for some time now.

Orocobre Limited (TSX:ORL)(ASX:ORE) is pleased to report that it has produced battery grade lithium carbonate from Salar de Olaroz brines. Orocobre's analysis shows that the lithium carbonate is of greater than 99.9% purity* and of higher purity than the specifications for battery grade material sold by existing producers. This material was produced by refining a lower purity product previously produced at the company's facilities at Olaroz with recirculated brines. As such, the Company considers the material to be representative of what could be expected in commercial production.

Azure Minerals, a Mexico-focused precious and base metals explorer, said today it has entered into an agreement to form a joint venture with a Japanese state-owned corporation to explore the El Tecolote Project in Sonora, Mexico. According to the press release, Japan, Oil, Gas and Metals National Corporation (JOGMEC), a Japanese state-owned entity, will spend $US5 million over three years, in order to earn a 51% interest in El Tecolote. The company can earn another 19% stake by spending a further $8 million, which would take its total equity in the project to 70%.

U.S. Rep. Mike Coffman's rare earth legislation may have lit a fire under Molycorp's stock price, which rose 10.3% on Thursday trading. Coffman, Republican congressman representing Colarado, introduced legislation on Wednesday calling for a variety of measures that would better ensure that the United States has secure access to rare earth metals. Molycorp stock finished Thursday at $68.45. The stock's 52-week range is $12.10 to $68.79.