Hoja1I.- Calculo de Leyes Medias Diluidas y Tonelaje Resultante Minable:AgPbZnAgPbZnBlockTMPotenciaAncho MinaOz / TM% Pb% ZnTon x leyTon x leyTon x leyTon x PotA10,0001.52124.19.75120,00041,00097,50015,000B5,0001.728.23.36.4441,00016,50032,2008,500C6,0001.329.62.715.457,60016,20092,4007,800Sumatorias21,000Sumatorias218,60073,700222,10031,300Reservas Cubicadas:Reservas Minables:Pot media1.49Leyes Medias diluidas:Tonelaje Diluido:Ley med Ag10.417.7628000

Ley med Pb3.512.62Tonelaje resultante minable:25,200TMfactor de recuperacin: 90 %Ley med Zn10.587.88II.- Balance Metalrgico:LeyesRecuperacinR.C.TMOz/TM Ag% Pb% ZnAg %Pb %Zn %Min. Cabeza25,2007.762.627.88cc Pb2,16580.0025.00 _89.0082.00 _11.64cc Zn3,47225.00 _32.0044.00 _56.007.26Concentrado de Pb:Pb0.82R.C.11.64Ag0.89Concentrado de Zn:Zn0.56R.C.7.26Ag0.44Clculo del Valor Neto $/TMConcentrado de Pb: (1TM)Pb480.93Ag1,340.00$/TM1,820.93Valor Bruto en concentrado de Pb = Valor NetoConcentrado de Zn: (1TM)Zn699.59Ag418.75$/TM1,118.34Valor Bruto en concentrado de Zn = Valor NetoPara efectos de este caso, como no hay deduciones el V.B. es igual al V.N

Clculo del Valor Neto $/1 %Concentrado de Pb: $/ 1%Pb 19.24Ag16.75Concentrado de Zn: Zn21.86Ag16.75V.N.U. para la Plata, Plomo y Zinc:Ley Equivalente:TMOz/TM Ag% Pb% ZnAg:33.50$/OzMin. Cabeza25,2007.762.627.88Pb19.24$/1%Zn21.86$/1%Ag7.76 x 33.50259.96Pb2.62 x 19.24 50.41zn7.88 x 21.86172.26482.63Ley Equivalente: 482.63 $/TM

Hoja2

Hoja3