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SPOKANE, Wash. -- Idaho General Mines, Inc. (AMEX:GMO) today announced that based on ongoing drilling and evaluation work the Company anticipates that its wholly owned Hall-Tonopah molybdenum deposit, located in Nye County Nevada, will be its second major molybdenum development project. The Hall-Tonopah deposit has been undergoing a comprehensive drilling and evaluation effort which not only confirms the existence of an economic ore body but also suggests the potential for an extension of the molybdenum mineralization. Bruce Hansen, Chief Executive Officer of Idaho General, commented, "While our main focus and effort is the permitting and development of the Mount Hope Mine near Eureka, Nevada, we are excited be able to continue to progress a second major molybdenum project. Hall-Tonopah is also one of the world's larger high grade molybdenum deposits."
The current Idaho General drilling program at Hall-Tonopah is designed to augment the existing drill hole data bases of both the original Hall-Tonopah development companies (Anaconda Company and Cyprus Amax), which consists of more than 160 diamond drill holes and over 150,000 feet of drilling and data. The current Idaho General drilling program is directed toward the reconfirmation of the molybdenum mineralization in the original mining plan of Cyprus and also targeting additional molybdenum resources using more reliable large diameter diamond drill core. During the period 1981 to 1991, 50 million tons was mined by open pit methods at a mined grade of 0.11 percent molybdenum. Anaconda Company and Cyprus Amax had delineated a mineable zone of 200 million tons at a grade of 0.095 percent molybdenum. The mine plan contemplated a single open pit which was concentrated upon mining the Hall, or lower molybdenum mineralization zone.
The current Idaho General drilling program has completed two of six planned diamond drill holes. The first new diamond drill hole (HT 679), completed in February 2007, tests the upper mineralized Tonopah molybdenum zone. This hole was drilled to a depth of 2,825 feet at an angle of 55 degrees. The assays for the first 710 feet have been received and average 0.091 percent molybdenum, which confirms the assay results of previous corresponding holes. A total of 4,600 feet of core has been drilled to date and is in various stages of geologic review with assays forthcoming. The current assessment of the property suggests that further drilling may extend both the Hall molybdenum ore zone and the near surface Tonopah molybdenum ore zone. Robert Russell, Chairman of the Board, said that, "Based on our current modeling and preliminary data, we believe that a mining rate of at least 20,000 tons per day can be sustained at grades of 0.09 to 0.11 percent molybdenum or approximately 2 pounds molybdenum per ton mined."
The Company gained 100% control of the Hall-Tonopah project including all outstanding royalties in January 2007. The project is located on fee lands owned by the Company, meaning that ...