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May Day Idaho Mine Complex 112 (d) Permit Application <br />individual areas are limited to less than 1.0 acre, and are anticipated to be operational <br />during the life of the mine. <br />Exploration activities will be limited to drill pads of dimensions 200' x 200'. Drilling <br />will occur at one location only during exploration and is anticipated to be worked for <br />approximately 90 days. Each borehole will be abandoned prior to mobilizing to the next <br />drill location. <br />IS .4.4(e) An approximate timetable to describe the mining operation <br />The mine plan has been outlined in the approximate order of operation. The approximate <br />timeline based on a 10 year mine life: <br />Phas O <br />eration Mine Year <br />e p 1 2 3 4 5 6 7 8 9 10 <br />1 Preliminary Activities <br />2 Milling Optimization <br />3 May Day No. 1 Production <br />4 <br />5 Exploration Activities <br />Production Expansion <br />6 Milling Completion & <br />Closure <br />The size and location of each area to be worked in each phase is decribed above in the <br />detailed phase discussions. <br />6.4.4(f) Description of Ore Body and Underlying Stratum <br />Three types of mineralization are distinguished in the permit area: <br />• highly disseminated epithermal gold-silver-telluride thin veins (typically less than <br />five (5) feet); <br />• limestone replacement deposits; and <br />• disseminated mineralization in porphyry veins. <br />Initial mining will occur within the limestone replacement deposits associated with the <br />May Day Veins at the May Day No. 1 adit. These veins are found within following <br />Upper Jurassic units: <br />• lower part of the Morrison Formation; <br />• Junction Creek Sandstone; <br />• Wanakah Formation; and <br />• Entrada Sandstone. <br />The ore bearing units are underlain by the Dolores Formation. <br />May Day Idaho Mine Complex 112(d) Permit Application <br />September 21, 2010 <br />6