Latest Copper extraction techniques Stories

Web Site: www.CuMtn.com TSX: CUM VANCOUVER, Sept. 7, 2011 /PRNewswire/ - Copper Mountain Mining Corporation (TSX: CUM) (the "Company" or "Copper Mountain") is pleased to announce that the Copper Mountain Mine has completed loading its first shipment of concentrate to Japan.  The first shipment was made up of 11,200 wet metric tonnes of concentrate containing approximately 5.6 million pounds of payable copper, 40,600 payable ounces of silver, and 2,470 payable ounces of gold...

FAU: TSX.V FVGCF: OTCQX FSE: FWR VANCOUVER, Aug. 25, 2011 /PRNewswire/ - Fire River Gold Corp. and Mystery Creek Resources Inc. (TSX.V: FAU), (OTCQX: FVGCF), (FSE: FWR) (collectively "the Company") are pleased to provide this update for the Nixon Fork Mine. It provides a summary of the progress of mining and milling activities. Mill commissioning started on July 4(th) 2011 and it has operated since that time at an average availability of 71%. A total of 3,078 tons of ore...

VANCOUVER, Aug. 24, 2011 /PRNewswire/ - Kiska Metals Corporation ("Kiska" or "the Company") reports results from the first two drill holes from the phase II program at the Whistler Project, 160 km northwest of Anchorage, Alaska. Both holes returned long gold, copper and silver intersections from the Raintree area. WH11-033 returned 218 metres averaging 0.55 g/t gold, 3.87 g/t silver and 0.11% copper (0.83 g/t Au Eq) from the Raintree West target while WH11-034 returned 77.3 metres...

VANCOUVER, August 15, 2011 /PRNewswire/ -- Santo Domingo PFS Generates After-tax NPV (8%) of US$1.1 billion with a 3 year payback Capstone Mining Corp. (TSX: CS) today announced the results of the Pre-feasibility Study ("PFS") for its Santo Domingo Iron Oxide-Copper-Gold ("IOCG") project ("Santo Domingo" or the "Project") in Region III, Chile. The Project is owned 70% by Capstone and 30% by Korea Resources Corporation ("KORES")....

FAU: TSX.V FVGCF: OTCQX FSE: FWR www.firerivergold.com VANCOUVER, Aug. 10, 2011 /PRNewswire/ - Fire River Gold Corp. (the "Company", "FAU") (TSX.V: FAU)  is pleased to announce it has negotiated a three year contract with Glencore International Limited for the sale of the copper concentrate produced at Nixon Fork Gold Mine. The gold rich copper concentrate is to have moderate copper content which has varied from 10% to 25% historically. The concentrate will leave Nixon Fork...

Web Site: www.CuMtn.com TSX: CUM VANCOUVER, July 12, 2011 /PRNewswire/ - Copper Mountain Mining Corporation (TSX: CUM) (the "Company" or "Copper Mountain") announces that the first filtered copper concentrate was produced and deposited in the mine concentrate shed on June 30. Commissioning of the mill has progressed throughout the past month demonstrating that the robust mechanical equipment is operating well. Mill throughput is at about 70 percent of the designed capacity due...

Second Quarter Production of 21.2 million pounds of Copper in Concentrates VANCOUVER, July 6, 2011 /PRNewswire/ - Capstone Mining Corp. (TSX: CS) today announced its operating results for the three and six months ended June 30, 2011 from its two operating mines, Cozamin and Minto. Combined production totalled 21.2 and 37.9 million pounds of copper in concentrates in the second quarter and first six months, respectively, with additional by-products of lead, zinc, silver and gold....

Web Site: www.CuMtn.com TSX: CUM VANCOUVER, May 27, 2011 /PRNewswire/ - Copper Mountain Mining Corporation (TSX: CUM) (the "Company" or "Copper Mountain") announces that on March 11, 2011 Mitsubishi Materials Corporation ("Mitsubishi") announced that they had suspended operations at their Onahama copper smelter (subsidiary of Mitsubishi) as a result of the damage by the earthquake and tsunami, as well as the damages sustained to the surrounding infrastructure and logistics for the...

VANCOUVER, April 26, 2011 /PRNewswire-FirstCall/ -- - First Quarter Production of 16.7 Million Pounds of Copper in Concentrates Capstone Mining Corp. (TSX: CS) today announced its operating results for the three months ended March 31, 2011 from its two operating mines, Cozamin and Minto. Combined production totalled 16.7 million pounds of copper in concentrates, with additional by-products of lead, zinc, silver and gold. Q1 2011 Production Q1...

VANCOUVER, February 24, 2011 /PRNewswire-FirstCall/ -- - IRR 27%, NPV $155 Million at a 10% Discount Rate and a 3.4 Year Payback (After Tax) Capstone Mining Corp. ("Capstone") (CS: TSX) today announced that its wholly owned subsidiary, Kutcho Copper Corp., reports the results of the Prefeasibility Study ("2011 PFS") completed by JDS Energy & Mining Inc. ("JDS") on the Company's Kutcho Project located in north-western BC. By incorporating exploration drill results from...