An aboriginal band says it will appeal to the Yukon government now that a regulator has recommended approval of a copper mine that would use an untried process to clean up 13 million tonnes of acid-soaked ore on the banks of a creek flowing into the Yukon River. read more »
BHP Billiton Ltd continues to capitalise on the worldwide boom for commodities by delivering record iron ore output and increased petroleum production during a period of record prices in its June quarter. read more »
Global mining company Freeport-McMoRan on Tuesday reported a 14 per cent drop in second-quarter profit on lower copper and gold sales and one-time costs. read more »
Gold Hawk Resources Inc. (TSXV:CGK) said Friday the Peruvian government has issued an emergency decree for a hillside near its Coricancha processing plant and tailings area and called for the relocation of the facilities. read more »
Equinox Minerals Limited (TSX:EQN) says it currently expects the contractor building the Lumwana copper project in Zambia will hand over the project in December, months after the company had planned to start production at the site. read more »
Xstrata Coal chairman Peter Coates is concerned there will not be enough free permits to protect industry under the Rudd government's emissions trading scheme.read more »
OZ Minerals Ltd has provided a bullish outlook for its core commodities but attempted to distance itself from the zinc company tag amid sinking prices for the commodity. read more »
High potash prices and ‘obscene amounts of profit’ are causing Canadian unions to be more aggressive over pay demands at three potash mines operated by Potash Corp of Saskatchewan and a strike looks increasingly likely.
Agnico Eagle’s second quarter results were sharply lower than analysts’ estimates on low zinc prices. The company also cut its 2008 gold output forecast and increased capital costs estimates and shares have dipped sharply.
Mining Field: Collars and PortalsArea: Portals (Rule#214)
When slurry walls, freeze walls, or sheet piling are employed for portal entries in deep, saturated overburden, they should be placed to a depth 50% greater than the depth of the excavation to avoid uplift on the bottom.
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