This September, Las Vegas hosts MINExpo 2008, one of the world’s largest mining exhibitions that is held every four years. MINING.com Magazine reviews everything you need to know before you attend. read more »
Mining companies will find it difficult to raise capital in the current environment, especially if a trend emerges for miners to spin-off assets, says Melbourne-based private equity fund African Lion.read more »
The resources boom has pushed Africa into second place as the destination with the second highest growth for Australian trade and investment behind Asia, a top diplomat says. read more »
Mining officials in the United States asked prosecutors Wednesday to decide whether criminal charges are warranted in the deaths of nine people in last year's collapse of the Crandall Canyon mine in Utah. read more »
British mining company Lonmin PLC kept up its public defence against a hostile 5 billion pound takeover approach from Anglo-Swiss miner Xstrata PLC on Tuesday.read more »
European Union antitrust regulators said Tuesday that they had put on hold an antitrust probe into miner BHP Billiton's mammoth bid for rival Rio Tinto Inc. because the companies have not provided information. read more »
A second fatal accident within ten days at one of its Australian iron ore mines has BHP suspending all production pending safety investigations. The mines produced 91 million tonnes last year.
The acquisition of junior explorer Aurelian Resources gives Kinross a foothold in Ecuador, which has yet to see a major gold mine under development. However, not everyone is happy with the deal.
Although this article draws on oil markets for its comments and conclusions most of it is of equal relevance to the gold market – particularly as price movements for the two commodities seem to be inextricably linked in recent months.
Leading diamond mining and sales group De Beers has started discussions with Trans Hex on Namaqualand Mines as the group is concentrating on high-return, mega diamond mines.
Mining Field: Shaft DesignArea: Shaft Lining (Rule#113)
The concrete lining in a circular shaft may be put into tension and shear by external forces where the horizontal ground stress in one direction is more than twice the horizontal stress in the other. But only if the lining is "stiffer" than the wall rock and/or is subjected to high pressure grouting that may subject the lining to non-uniform compression.
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