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ROBINSON MINE

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ROBINSON MINE
Classification: Active/Verified
Status: Producer
Type of Work: Open-Pit
Location:
USA, Nevada
Nearest Landmark: ELY
Distance from Landmark: 11 km
Direction from Landmark: West
Latitude: 39 Degrees 15 Minutes (North)
Longitude: 115 Degrees 1 Minutes (West)
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Property News

October 13, 2009
Quadra Mining Ltd. announces the production results for the third quarter of 2009 from its three wholly owned mines, the Robinson Mine located in Ely, Nevada, the Carlota Mine located in Globe-Miami, Arizona and the Franke Mine located in northern Chile. Combined production was 44.3 million pounds of copper and 21,142 ounces of gold produced for the three months ended September 30, 2009.
July 13, 2009
Quadra Mining Ltd. announces the production results for the second quarter of 2009 from its two 100% owned operating assets, the Robinson Mine located in Ely, Nevada and the Carlota Mine located in Globe-Miami, Arizona. Combined production was below expectation with 29.7 million pounds of copper and 18,031 ounces of gold produced for the three months ended June 30, 2009. As a result, 2009 production guidance for both Robinson and Carlota has been revised. Robinson produced 22.9 million pounds of copper and 18,031 ounces of gold during the second quarter of 2009. Quarterly production results were lower than expected because of the inability to access hypogene ore in the Veteran pit which was required to blend with the supergene ore from the Wedge pit – a strategy that has historically improved metallurgical performance. Carlota produced 6.8 million pounds of copper during the second quarter. Production was below mine plan estimates in part because of lower than scheduled ore mined and in part because of lower than planned leaching rates.
January 29, 2009
A revised mine plan and increased 2009 copper production guidance for the mine was announced. The new plan alters the sequencing with mining now transitioning from the existing Veteran pit to a small satellite pit (Kimbley Wedge) in 2010 and then to Ruth at the end of 2010. The Ruth pit will be mined in two stages, in a way that defers dewatering as well as delivering the blending balance required for optimum metallurgical results. This plan was developed based on additional information acquired from recent hydrological drilling and piezometer testing which now suggests lower dewatering requirements at Ruth. The completion of the drilling and metallurgical program that commenced in 2007 supports the new plan, providing the appropriate ore sequencing for a blending strategy.

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