BHP Billiton has formed a joint venture with a PT Adaro Energy subsidiary for its Indonesian Coal Project, with Adaro holding 25% interest and BHP owning the rest.

Emerging Chinese company Qiao Xing Universal Resources has bought Balinzuo Banner Xinyuan Mining for a consideration of $107m.

The acquisition will help Qiao Xi control a relatively large-scale lead zinc mine in Balinzuo Banner.

San Miguel Corp has acquired Bonanza Energy Resources and Sultan Energy Mining and Development Corp to ramp-up generating capacities of its planned coal-fed plants in Mindanao.

Songzai International Holding has acquired the Liujiaqu Coal Mine, located in the Inner Mongolia region of China.

Total estimated resources of the Liujiaqu mine are approximately 143 million metric tons.

Valencia Ventures said it will acquire three sets of property claim blocks: the Diana Project in Northern Quebec; the Carb Lake, Schryburt Lake and Lawashi River properties in Ontario; and the Sao Gotardo project in Brazil.

Secure Runway Systems Corp has acquired a 100% interest in the Nugget Finder Gold project near Quartzsite, Arizona.

The Nugget Finder gold project is a 640-acre gold property located in the Walker Lane Gold Belt, which has historically produced over 45 million ounces of gold and over 400 million ounces of silver.