VANCOUVER, BRITISH COLUMBIA--(Marketwire - Dec. 27, 2011) - Columbus Silver Corporation (TSX VENTURE:CSC) ("Columbus Silver") is pleased to announce that Santa Fe Gold Corporation (OTCBB:SFEG) ("Santa Fe") has announced it has obtained conditional debt financing to complete its acquisition of Columbus Silver.

Outotec has come up with two new roasting processes for eliminating impurities from copper and gold concentrates.

The head of research for China's Central Banl says that the country should buy gold as the only safe place for risk averse investors when other assets are losing value

China has set the first tranche of rare earths export quotas for 2012 with more in reserve for firms that have not yet passed inspections. The biggest producer Baotou Rare Earth is still awaiting environmental approval

In a ruling that will be felt most heavily by older coal-burning power plants, the United States Environmetal Protection Agency announced new regulations last week to limit emissions of toxic air pollutants like mercury, arsenic and metals.

It is reported that thermal coal miner and exporter Ambre Energy is running a beauty parade of advisors for an initial public offering on the Australian Securities Exchange slated for May or June of 2012. Mr Edek Choros chief executive of Ambre said th...

Underwater mining off Nome, Alaska, draws up to 50 boats in the summer, small independent operators looking for placer gold in ocean water just above freezing.

In 2012 the Canadian dollar is predicted to stay just below par and Canadian GDP will grow just two percent, according to Doug Porter, Deputy Chief Economist at BMO Capital Market, who released his 2012 predictions on Boxing Day.

Tanaka Precious Metals' manufacturing business will begin exclusively providing the CYC-B11 ruthenium complex dye with a conversion efficiency over 11.4% — one of the world's highest level for dye-sensitized solar cells