Cecilia Jamasmie , Senior Editor

Chilean copper giant Codelco is preparing new legal actions in its dispute with Anglo American (LSE:AAL) as the company is not satisfied with the documents submitted Wednesday to a civil court by the London-based company.

Australian mining tycoon Clive Palmer will be mounting a High Court challenge against the Government's carbon tax, he told ABC News’ 7.30 Report.

Over 33,000 workers of Harmony Gold Mining (NYSE:HMY), South Africa's third-biggest gold producer, will be owners of direct shares in the company thanks to its employee share ownership plan (ESOP), announced CEO Graham Briggs today.

South Africa's Impala Platinum Holdings (Implats), the world’s second-largest platinum producer by volume, has agreed to transfer 51% of Zimplats, its subsidiary in Zimbabwe, after long-drawn-out negotiations with the government of that country.

Japanese JX Nippon Oil & Energy acquired a 25% of diversified miner Xstrata Coal operations in Western Canada for US$435 million, creating a joint venture that will build the business and market coal in Japan.

The U.S., Japan and the European Union have filed an official complaint at the World Trade Organization this morning, urging the body to take actions against China’s restrictions on these metals. President Obama warned China that it would not be allowed to gain a competitive advantage in world trade by "skirting the rules."

Shares of Chilean miner Antofagasta PLC (LON:ANTO) were down 3.1% this morning after the company disappointed market hopes for a whopping special dividend and announced instead a cut on dividends and an increased spending on growth projects.

Several small earthquakes that affected the northwest region of the United States during 2011 were probably caused by hydraulic fracturing or "fracking,” concludes the latest report by the Ohio Department of Natural Resources (ODNR), which regulates the oil and gas industry in the country.

Mining companies in Peru invested US$7.2 billion in 2011, 77% more than in 2010, Mines and Energy Ministry (MEM) reports.

Canada’s Gabriel Resources Ltd. (TSX:GBU) became the centre of attention this morning as an important figure of Romania's 1989 revolution, MEP Laszlo Tokes, left his party on Monday over Rosia Montana, a debated gold mine project in north-western Romania.