Vale’s CEO, other execs, to step down after Brazil dam burst

Arian Silver Corporation (TSXV: AGQ) (AIM:AGQ) (FRANKFURT: I3A), a silver exploration, development and production company with a focus on projects in the silver belt of Mexico, is pleased to report assay results from a further 11 holes recently drilled at its 100%-owned San Jose Property in Zacatecas State, Mexico.

The former Vale executive, who has previously led the group’s Canadian nickel operations, will take up the post on May 22 and […]

Rodinia Lithium Inc. (TSX-V:RM)(OTCQX:RDNAF) has commenced work to has commenced work to aggressively accelerate completion of a Preliminary Economic Assessment ("PEA") of its Salar de Diablillos property in Argentina following its recent announcement of an inferred recoverable resource.

Chile's Collahuasi, the world's No. 3 copper mine, said on Friday it had lifted a force majeure on copper concentrate exports imposed after an accident at its key sea terminal in December.

Brazil's government is considering creating an iron ore export tax meant to spur investment in local steel production, a leading Brazilian newspaper reported on Friday. Advisors to President Dilma Rousseff have asked the finance ministry to study a measure that would tax iron ore exports and exempt steel exports, the newspaper O Estado de S.Paulo reported on Friday, citing a source in the presidential palace.

Shareholders of New York-based Capital Gold (TSX:CGC) have approved a merger with TSX-listed Gammon Gold, BIV Business Today is reporting. The approval takes Timmins Gold Corp. out of the picture as a potential buyer of Capital Gold:

A Chilean court on Thursday suspended an order to halt world No. 1 copper producer Codelco's Ventanas smelter following an environmental incident, and the state miner said it would normalize operations as soon as possible.

Greystar Resources Ltd. (TSX:GSL)(AIM:GSL) reports that diamond drilling continues to encounter significant gold-silver-copper mineralization below and to the south of the oxide/transitional mineral resource on the multi-million ounce Angostura deposit in northeastern Colombia.

Orocobre Limited (TSX:ORL)(ASX:ORE) reports a substantially increased and upgraded resource estimate at its flagship Salar de Olaroz lithium-potash project in Jujuy province in north-west Argentina. This follows completion of a comprehensive resource definition drilling program undertaken throughout 2010.