Monster rally adds $250 billion to global top 50 mining companies

Rio Tinto Copper's Chief Executive, Andrew Harding, said the investment will secure low cost copper, gold and molybdenum production for the company in next two decades.

Already with massive copper, gold and molybdenum deposit in Argentina, Lumina Copper now has two new copper mineralized zones.

Australian copper producer OZ Minerals has struck a deal with Canada's International PBX Ventures for a 90% interest in the Copaquire copper-molybdenum property in Chile.

Northern Dynasty Minerals Ltd. ("Northern Dynasty" or the "Company") (TSX: NDM; NYSE Amex: NAK) announces that the Board of Directors of Pebble Mines Corp., the general partner of the Pebble Limited Partnership (the "Pebble Partnership" or "PLP") has approved a budget of approximately US $107 million to advance the Pebble Project in 2012, with the objective of readying PLP to initiate permitting under the National Environmental Policy Act (NEPA) toward the end of the year.

Inmet Mining Corporation (TSX:IMN) has launched a $1 billion senior unsecured notes offering as part of a total finance plan for the $6.18 billion copper/gold/molybdenum project Cobre Panama.

Teck Resources fought against lower metals prices to post record revenues for the first quarter.

Avanti shares rose 20% Thursday after the Vancouver company secured $640 million in financing for its Kitsault molybdenum mine.

"With over 5 billion pounds of copper estimated at the indicated level and another 3.5 billion pounds estimated at the inferred level, Ann Mason should now be recognized as a significant deposit in one of the best mining jurisdictions in the world."

China Molybdenum Co. (HKG:3993), the country’s largest producer of the element by output, plans to launch an initial public offering in Shanghai, which may raise around 3.65 billion yuan (US$579 million), to fund its new alloy project and boost output, according to a statement to the China Securities Regulatory Commission (CSRC).