The National Union of Metalworkers of South Africa (Numsa) officially embarked on strike action on Monday, following a breakdown in negotiations at the end of June, saying it would not budge on its demands for a 13% across-the-board hike, better working conditions and a ban on labour brokers. Numsa, which represents about 120 000 workers, is being joined by five other trade unions, jointly representing at least another 50 000 workers. The strike action comes hard on the heels of growing alarm among South African mines about the impact of increasing talk of nationalization from factions within the ruling party.

South Africa's Pilanesberg Platinum mining operations remain halted more than a week after employees of a contractor disrupted operations through intimidation of supervisors, industrial action and damage to property and equipment. The company said in a statement released on Monday its concentrator has operated at full capacity throughout and produced a record amount of metal in June. Platmin has lost a tenth of its value on the Toronto bourse since halting operations and is down more than 40% over the last twelve months. The mid-tier producer has a market capitalization of some $510m.

News24 reports new hydraulic technology from South Africa's Peterstow Aquapower has the potential to change the way mining is done if widely adopted in the industry. The drill technology uses water as a hydraulic fluid instead of oil but also no external air compression or water as with conventional mining. The drill presents a "plug-and-play" system for mining as it promises to reduce costs and work more effectively. The machines cut the water use by 80% and can save about 28% of electricity costs for a mining operation.

Canadian miner High River Gold Mines Ltd said it received a 20-year mining license in Burkina Faso to explore and construct a gold mine at its Bissa gold project in West Africa. The company, which has properties located mainly in Russia and Burkina Faso in Africa, said the license could be renewed.

Mongolia chose U.S. miner Peabody Energy , a venture between China's Shenhua and Japan's Mitsui & Co, and a Russian-led consortium as preliminary winners to jointly develop the prized Tavan Tolgoi coal deposit, a senior government source said on Monday. The project, which may require initial investment of more than $7 billion, is seen as vital to kick-start the land-locked nation's economy. It will also generate billions of dollars in revenue for the companies involved and add tens of millions of tonnes of increasingly rare coking coal used by steel makers.

Diamond prices continue to soar, with rough prices up 27pc in 2010 to levels higher than before the crisis. Prices have continued to rise this year, but high prices may now be putting buyers off. Anecdotal evidence of this "demand destruction" has started to emerge. On Thursday, sector observer Rapaport noted that, although demand is still strong, caution had entered some markets.

A team of Japanese scientists have found large quantities of rare earth minerals on the bottom of the Pacific Ocean. In a Nature Geoscience article published on Monday, the team said that it looked at 78 sites throughout the eastern South and central North Pacific ranging in depths of 3,500 to 6,000 metres. “We estimate that an area of just one square kilometre, surrounding one of the sampling sites, could provide one-fifth of the current annual world consumption of these elements”

Southern Silver Exploration reported today that it has increased its previously announced private placement (see news release NR-07-11) and now plans to issue up to 23,530,000 units in a non-brokered private placement at a price of $0.17 per unit to raise $4,000,100. Each unit will now consist of one common share and one whole share purchase warrant. Each warrant will be exercisable to purchase one additional common share for a period of two years at an exercise price of $0.22 per share.

It is reported that Russian mining and steel producing company Evraz Group is going to build a new section rolling mill in southern Russia. The production capacity of the mill is expected to be 450,000 tonnes of products per year.