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Cusi Mill Process<br />

Process<br />

(Month)<br />

Malpaso Mill Flotation<br />

Metric<br />

Tones<br />

Ag<br />

%<br />

Pb<br />

%<br />

Thickener<br />

Zn<br />

%<br />

6,000 330 0.39 0.71<br />

Taillings<br />

Cyanidation<br />

Metric<br />

Tons Ag g/t<br />

5,817.2 132<br />

Recovery 64.46%<br />

2009 Mineable Resources<br />

Classification Ton. Ag (g/t) Pb % Zn %<br />

Indicated 63,000 330 0.39 0.71<br />

Cyanidation<br />

Vats<br />

Precipitation<br />

Tailing<br />

dams<br />

Summary<br />

Flotation Concentrate<br />

Ton. Ag<br />

g/t<br />

Pb.<br />

%<br />

Silver Conc. 183 6,500 16.5 10.0<br />

Recovery 60%<br />

Contents<br />

(kgs)<br />

Head Ag. g/t 330 1,980<br />

Flotation recovery % 60 1,188<br />

Cyanidation recovery % 25 495<br />

Total recovery % 85 1,683<br />

Zn<br />

%<br />

21

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