Molycorp, Inc. (NYSE: MCP), the Western hemisphere's only producer of rare earth oxides, today announced that, subject to market conditions, it intends to offer $200 million principal amount of its Convertible Senior Notes due 2016 (the “Notes”) in an offering exempt from the registration requirements of the Securities Act of 1933. The Notes are being offered only to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933. In addition, Molycorp intends to grant the initial purchasers of the Notes an option to purchase an additional $30 million principal amount of the Notes.

The Rapaport Group, global manager of diamond data and international group of companies, has given a thumbs up to India, the world's largest importer of diamond roughs. With the country's polished diamond exports rising 6% year-on-year to $2.04 billion in April 2011, the agency has forecast that India will overtake the United States and become the biggest consumer market for diamond jewellery over the next three years.

Chieftain Metals has initiated an important step in its 2011 operations plan by transporting heavy machinery and equipment via barge to the Tulsequah Chief mine site in north-western British Columbia.

The full cost of the Fukushima nuclear disaster is yet to be established but its impact on the nuclear sector as a whole may not be as bad as was first thought - even with the loss of Germany as an active participant.

Barrick Gold is suing Goldcorp over the El Morro copper mine in Chile, the Globe and Mail reported yesterday. According to the newspaper: Toronto-based Barrick Gold Corp., (ABX-T44.24-0.39-0.87%) the world’s largest gold producer, is fighting Goldcorp Inc. (G-T46.82-0.59-1.24%)after the Vancouver company scooped up a majority stake in the El Morro development, one of the largest known copper and gold deposits in South America. Barrick alleges Goldcorp’s deal to buy Swiss miner Xstrata PLC’s 70-per-cent stake in El Morro was done illegally and is suing both parties, along with New Gold Inc., (NGD-T9.09-0.06-0.66%) which has a 30-per-cent stake in the project.

Dow Jones reports a recovery in global auto and aerospace demand and continued strength in emerging markets should underpin a sharp rise […]

Toronto and London listed exploration and development company EMED Mining said on Tuesday it found significant potential new copper deposits near its Cerro Colorado open pit operations in Spain (pictured), sending its shares up over 5% in afternoon trade. In May the Cyprus-based company announced Andalucia, one of Spain's autonomous regions, gave approval for the plans to restart its flagship Rio Tinto copper mine, which was placed on care and maintenance in 2000. Production is scheduled to start in 2012 following further approvals.

The Canadian Press reports a group of shareholders in copper, nickel and platinum junior miner Ursa Major Minerals is looking to gather support for a bid to oust the company's board over the underperformance of its stock on the Toronto Stock Exchange. Merchant bank Forbes & Manhattan Inc. and Inspiration Mining Corp., which is Ursa Major's largest shareholder, said Tuesday they have filed a dissident proxy circular seeking backers for a move to elect new directors at an annual meeting June 23. Ursa Major was trading up 7.4% on the TSX by mid-day Tuesday.

Ringbolt Ventures announced on Tuesday it has engaged the services of Beeman Drilling Services to undertake a potash drilling program on its Lisbon Valley Project in Utah, part of the Paradox Basin, an area which according to the United States Geological Services contains over 2bn tons of potash. The TSX-Venture listed company has another other potash project in Arizona’s Holbrook Basin as well as a prospective uranium property in the Hornby Basin of Canada’s North West Territories. Shares of the thinly traded company are up over 110% so far this year at $0.295.