Gold ions open the way for energy efficient devices

Zijin Mining Group Co Ltd said it plans a $280 million U.S. dollar-denominated bond issue, raising capital to acquire copper concentrate overseas for a smelter project of its unit. In a filing to the Hong Kong bourse on Tuesday, Zijin Mining said the bonds would have maturity of five years and a fixed interest rate of 4.25 percent per year during its term with interest payable semi-annually.

CGA Mining ( ASX: CGX , TSX: CGA ) is ramping up exploration at the Masbate Gold Project in the Philippines by allocating a US$20 million exploration budget for financial year 2012, almost triple the current years spend.

Tata Steel Ltd will use the $1.12 billion ('5,030 crore) it earned from the sale of its 26.3% stake in Australia's Riversdale Mining Ltd to fund the expansion of its steel-making capacity in Jamshedpur and Kalinganagar, as well as mining operations and capital expenditure in its European operations.

Tata Steel and SAIL's equal joint venture, S&T Mining Company, will set up a 1.8 million tonnes per annum (mtpa) coal washery at Bhelatand, in Jharkhand, through an investment of Rs 200 crore.

Newmont (NEM), the U.S. mining group, is under investigation in Jakarta, where antigraft authorities said they are reviewing claims the group may have breached rules on the foreign ownership of mining assets.

Mongolian-focused coking coal explorer Aspire Mining Limited has lifted production expectations for its Ovoot Coking Coal Project (Ovoot) based on the latest compilation of coal washability test results. Results from recent coal washability testing confirm a very high theoretical yield of 80% to produce a product with 8% ash content and CSNs of 8 to 9, making it potentially the lowest ash coking coal product in Mongolia.

Ivanhoe Mines' Chief Executive Officer Robert Friedland announced today that the company expects to receive US$502 million from Rio Tinto later today following Rio Tinto's decision to exercise all remaining share-purchase warrants that it holds in Ivanhoe Mines.

India, the world's top gold importer, may have just turned net exporter over the last couple of months given the high level of exports of gold jewellery, medallions and coins from the country. Export of items of the yellow metal rose to a staggering $1.24 billion during March and April 2011.

Teck Resources provided an update today to its coal guidance for the second quarter. As a result of the February earthquake and tsunami in Japan, some of Teck's coal customers have deferred shipments due to reduced steel production requirements and Teck now expects coal sales in the second quarter at the low end of its previously announced guidance range of 5.5 to 6.0 million tonnes.