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Wellgreen Project Preliminary Economic Assessment ... - OTCIQ.com

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Test No.: F7 <strong>Project</strong> No.: 50149-001 Operator: YW Date: October 6 2011<br />

Purpose: Rougher Flotation test, repeat F3 talc pre-float<br />

Procedure: As outlined below.<br />

Feed: 2 kg of minus 10 mesh of Master Composite<br />

Grind: 57 minutes / 2 kg @ 65% solids in laboratory Ball Mill<br />

Regrind:<br />

Conditions:<br />

Stage<br />

Target Feed K 80 :90 µm<br />

245 SIPX 3477 PAX CMC MIBC* DF 250 Grind Cond. Froth<br />

Grind 57<br />

Talc Pre-Float 1 20 1 2 8.8 62.9<br />

Talc Pre-Float 2 10 1 2<br />

Condition 1<br />

Rougher 1 5 1 2 8.6 34.4<br />

Rougher 2 5 5 1 2 8.6 29.8<br />

Rougher 3 10 5 1 4 8.6 20.4<br />

Rougher 4 20 1 4 8.6 28.2<br />

Rougher 5 30 1 8 8.7 22.8<br />

Total 0 70 0 0 0 40<br />

* As required<br />

0 57 8 24<br />

Stage<br />

Rougher<br />

Flotation Cell 1000-D12<br />

Assay for: Cu, Ni, S, Pt, Pd, Au<br />

Speed: rpm 1800<br />

To Lakefield<br />

Metallurgical Balance<br />

Product<br />

Reagents added, grams per tonne<br />

Time, minutes<br />

Weight<br />

Assays, (Pt, Pd, Au g/t), (Cu, Ni, S %)<br />

% Distribution<br />

g % Cu Ni S Pt Pd Au Cu Ni S Pt Pd Au<br />

Talc Conc 1 67.1 3.40 0.65 0.24 1.19 0.26 1.09 0.05 6.14 1.79 1.32 2.03 7.72 4.18<br />

Talc Conc 2 36.6 1.85 1.08 0.31 2.01 0.40 1.27 0.05 5.56 1.26 1.22 1.71 4.90 2.28<br />

Ro Conc 1 66.3 3.36 7.82 4.05 14.8 2.27 6.41 0.46 73.0 29.9 16.22 17.5 44.9 38.0<br />

Ro Conc 2 47.5 2.41 0.67 6.21 11.1 1.84 2.63 0.11 4.48 32.8 8.7 10.2 13.2 6.5<br />

Ro Conc 3 65.7 3.33 0.30 1.10 8.07 2.08 1.13 0.06 2.78 8.04 8.8 15.9 7.8 4.92<br />

Ro Conc 4 76.3 3.87 0.10 0.47 12.8 1.39 0.50 0.04 1.03 3.99 16.14 12.4 4.03 3.81<br />

Ro Conc 5 169 8.57 0.04 0.24 7.12 0.59 0.21 0.02 0.93 4.52 19.9 11.6 3.75 4.22<br />

Ro Tail 1444 73.2 0.03 0.11 1.16 0.17 0.09 < 0.02 6.10 17.7 27.7 28.6 13.7 36.0<br />

Head ( calc. ) 1973 100 0.360 0.46 3.07 0.43 0.48 0.041 100 100 100 100 100 100<br />

Head (direct) 0.330 0.42 2.53 0.41 0.45 0.040<br />

Combined Product Weight Assays, (Pt, Pd, Au g/t), (Cu, Ni, S %)<br />

% Distribution<br />

g % Cu Ni S Pt Pd Au Cu Ni S Pt Pd Au<br />

Talc Conc 1-2 103.7 5.25 1.73 0.55 3.20 0.66 2.36 0.10 11.7 3.05 2.5 3.74 12.6 6.47<br />

Ro Conc 1 66.29 3.36 7.82 4.05 14.8 2.27 6.41 0.46 73.0 29.9 16.22 17.5 44.9 38.0<br />

Ro Conc 1-2 113.8 5.77 4.84 4.95 13.3 2.09 4.83 0.31 77.5 62.7 24.9 27.7 58.0 44.6<br />

Ro Conc 1-3 179.5 9.10 3.18 3.54 11.4 2.09 3.48 0.22 80.2 70.8 33.7 43.7 65.9 49.5<br />

Ro Conc 1-4 255.8 13.0 2.26 2.63 11.8 1.88 2.59 0.17 81.3 74.7 49.9 56.0 69.9 53.3<br />

Ro Conc 1-5 424.9 21.5 1.37 1.68 9.93 1.37 1.64 0.11 82.2 79.3 69.8 67.6 73.7 57.5<br />

Product Weight<br />

Assays, % % Distribution<br />

g % Cp Pn Po Gangue Cp Pn Po Gangue<br />

Rougher 1 66.3 3.55 22.7 11.5 8.10 57.8 82.7 32.3 4.55 2.24<br />

Rougher 2 47.5 2.54 1.94 17.6 12.1 68.3 5.07 35.5 4.89 1.90<br />

Rougher 3 65.7 3.52 0.87 2.94 17.9 78.3 3.14 8.20 9.97 3.01<br />

Rougher 4 76.3 4.08 0.28 0.97 32.6 66.2 1.17 3.14 21.1 2.95<br />

Rougher 5 169 9.05 0.11 0.48 18.2 81.2 1.05 3.43 26.1 8.03<br />

Rougher Tail 1444 77.3 0.09 0.28 2.73 96.9 6.91 17.4 33.4 81.9<br />

Head (calc.)<br />

Combined Products<br />

1869.1 100 0.97 1.26 6.31 91.5 100 100 100 100<br />

Ro Conc 1 3.55 22.67 11.5 8.10 57.8 82.7 32.3 4.55 2.24<br />

Ro Conc 1-2 6.09 14.0 14.0 9.78 62.2 87.7 67.9 9.44 4.14<br />

Ro Conc 1-3 9.60 9.20 9.97 12.7 68.1 90.9 76.1 19.4 7.1<br />

Ro Conc 1-4 13.7 6.54 7.29 18.7 67.5 92.0 79.2 40.5 10.1<br />

Ro Conc 1-5 22.7 3.98 4.58 18.5 73.0 93.1 82.6 66.6 18.1<br />

Ro Tail 77.3 0.09 0.28 2.73 96.9 6.91 17.4 33.4 81.9<br />

pH<br />

Eh

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