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Table C -12: Tailings Composition <br />(1) Completed by Pi Kappa Enterprises, LLC using METSIM Software. Ph 9 -10, P80 - 100mesh. Au feed = 16.62g/t, Ag feed = <br />360.4g/t <br />(2) Completed by Resource Development Inc. 8 January 2008. <br />(3) mg/kg = ppm / ppm x 0.029174 =troy oz/st / ppm x 0.0001 = % <br />M1990 -057 June 6, 2011 <br />Units <br />Mill Simulation <br />Lab Flotation Tests <br />METSIM <br />pH 9 -10 <br />p80- 100mesh <br />Test #8 Test #11 <br />pH11 pH >11 <br />P80- 150mesh P80- 150mesh <br />Test #12 <br />pH >11 <br />P80- 100mesh <br />Recovery ( %) <br />Concentrates <br />wt.% <br />11.0 <br />11.6 <br />8.2 <br />9.9 <br />Tailings <br />wt.% <br />89.0 <br />88.4 <br />91.8 <br />90.1 <br />Metal to Tailings ( %) <br />Au - Gold <br />wt.% <br />6.5 <br />5.7 <br />9.1 <br />8.8 <br />Ag - Silver <br />wt.% <br />13.7 <br />13.0 <br />17.9 <br />14.9 <br />Cu - Copper <br />wt.% <br />15.4 <br />14.1 <br />15.1 <br />15.0 <br />Pb - Lead <br />wt.% <br />29.8 <br />27.2 <br />31.0 <br />27.0 <br />Zn - Zinc <br />wt.% <br />8.9 <br />6.4 <br />9.8 <br />9.5 <br />Metal Grade (ppm) <br />Au - Gold <br />mg/kg <br />1.03 <br />1.51 <br />1.71 <br />Ag - Silver <br />mg/kg <br />51.0 <br />74.5 <br />69.7 <br />Cu - Copper <br />mg/kg <br />300 <br />300 <br />300 <br />Pb - Lead <br />mg/kg <br />3,100 <br />3,400 <br />3,100 <br />Zn - Zinc <br />mg/kg <br />900 <br />1,100 <br />1,100 <br />Table C -12: Tailings Composition <br />(1) Completed by Pi Kappa Enterprises, LLC using METSIM Software. Ph 9 -10, P80 - 100mesh. Au feed = 16.62g/t, Ag feed = <br />360.4g/t <br />(2) Completed by Resource Development Inc. 8 January 2008. <br />(3) mg/kg = ppm / ppm x 0.029174 =troy oz/st / ppm x 0.0001 = % <br />M1990 -057 June 6, 2011 <br />