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Northern Dynasty said on Wednesday that Wardrop completed a positive preliminary assessment report for the Pebble copper-gold-molybdenum project in Southwestern Alaska. "For the Pebble Project, the 45-year Reference Case yields a 14.2% pre-tax IRR, a 6.2-year payback on initial capital investment of $4.7 billion and a $6.1 billion pre-tax NPV at a 7% discount rate and long-term metal prices. At current prevailing metal prices, the 45-year Reference Case yields a 23.2% pre-tax IRR, a 3.2-year payback on initial capital investment and a $15.7 billion pre-tax NPV at a 7% discount rate."

Japan's Ministry of Finance data reveals drop in refined copper exports to 26,208 tonnes. TOKYO (Reuters) - Japan's refined copper exports fell 45 percent in January from a year earlier to 26,208 tonnes, for a fourth straight month of year-on-year

Wardrop’s 43-101 report suggests the mine life of the Pebble copper-gold-moly project could span from 25 to 78 years, yielding billions of […]

A further rise in crude oil prices will dampen copper prices, though demand from key buyers in China, the United States and Europe so far looks solid, a senior executive at the world's top copper producer Codelco said on Wednesday.

Taseko Mines submitted a new plan for its Prosperity project on Monday, saying it has addressed environmental concerns that saw its last plan rejected by the Canadian federal government.

Zambia's Central Bank reckons the major copper producing country's output will rise around 10% to 9000,000 tonnes in 2011 LUSAKA (Reuters) - Copper output in Zambia, Africa's leading producer of the metal, is expected rise to 900,000 tonnes in 2011 from

Zinc may be good for your everyday galvanizing and diecasting, but it may also be good at fighting colds. According to the Cochrane Collaboration, zinc taken as a lozenge or syrup reduced the duration and severity of the common cold in healthy people. "People taking zinc are also less likely to have persistence of their cold symptoms beyond seven days of treatment. Zinc supplementation for at least five months reduces incidence, school absenteeism and prescription of antibiotics for children with the common cold."

Silvercorp announced on Thursday that it received a positive preliminary assessment for its Silvertip silver-lead-zinc project in northern British Columbia. Silvercorp's stock was up 4% on the TSX on Friday. The report prepared by Golder Associates favoured a small mine and mill operating seasonally at 500 tonne per day or 72,000 tonne per year. "The initial capital cost of the project is estimated to be $US49 million with sustaining capital costs over the remaining mine life (21 years) estimated at $US54.2 million. The payback period is estimated at 4 years for the base case and 2 years for the upside case after reaching commercial production."

The group announced better-than-expected results for the year on the back of higher prices and said it remains positive about the outlook for commodities markets. Anglo American (AAL.L: Quote) (AGLJ.J:Quote), the world's fourth-largest diversified miner,