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

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Test No.: F3 <strong>Project</strong> No.: 50149-001 Operator: YW Date: September 23 2011<br />

Purpose: Rougher Flotation test, Decrease SIPX<br />

Procedure: As outlined below.<br />

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

Grind: 57minutes / 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 5 57<br />

Condition 1<br />

Rougher 1 10 1 2 8.8 53<br />

Rougher 2 5 5 1 2 8.7 42<br />

Rougher 3 10 5 1 4 8.7 22<br />

Rougher 4 20 5 1 4 8.8 0.6<br />

Rougher 5 30 1 8 8.7 23<br />

Total 0 70 0 0 0 25<br />

* As required<br />

0 57 6 20<br />

Stage<br />

Rougher<br />

Flotation Cell 1000-D12<br />

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

Speed: rpm<br />

1800<br />

Metallurgical Balance<br />

Product<br />

Reagents added, grams per tonne Time, minutes<br />

Weight<br />

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

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

Ro Conc 1 68.8 3.47 2.26 0.38 3.81 0.50 2.55 0.14 22.1 2.84 4.40 3.90 19.7 11.0<br />

Ro Conc 2 93.2 4.70 4.53 4.75 12.5 2.04 3.92 0.33 60.1 48.1 19.6 21.6 41.0 35.2<br />

Ro Conc 3 86.7 4.37 0.61 2.25 9.47 2.19 1.41 0.10 7.53 21.2 13.8 21.5 13.7 9.92<br />

Ro Conc 4 40.6 2.05 0.27 0.69 9.34 1.91 0.71 0.06 1.56 3.05 6.36 8.79 3.24 2.79<br />

Ro Conc 5 68.3 3.44 0.15 0.48 11.4 1.43 0.53 0.05 1.46 3.56 13.1 11.1 4.06 3.91<br />

Ro Tail 1626 82.0 0.03 0.12 1.57 0.18 0.10 0.02 7.18 21.2 42.8 33.2 18.3 37.2<br />

Ro Tails Ni(s)=0.061<br />

Head ( calc. ) 1983 100 0.35 0.46 3.00 0.44 0.45 0.04 100 100 100 100 100 100<br />

Head (direct) 0.33 0.42 2.53 0.41 0.45 0.04<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 />

Ro Conc 1 68.8 3.47 2.26 0.38 3.81 0.50 2.55 0.14 22.1 2.84 4.40 3.90 19.7 11.0<br />

Ro Conc 1-2 162.0 8.17 3.57 2.89 8.81 1.39 3.34 0.25 82.3 51.0 24.0 25.4 60.7 46.2<br />

Ro Conc 1-3 248.7 12.5 2.54 2.67 9.04 1.67 2.67 0.20 89.8 72.2 37.7 47.0 74.4 56.1<br />

Ro Conc 1-4 289.3 14.6 2.22 2.39 9.08 1.70 2.39 0.18 91.4 75.2 44.1 55.8 77.7 58.9<br />

Ro Conc 1-5 357.6 18.0 1.82 2.03 9.52 1.65 2.04 0.15 92.8 78.8 57.2 66.8 81.7 62.8<br />

Product Weight<br />

Assays, % % Distribution<br />

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

Rougher 1 68.8 3.47 6.55 1.05 3.08 89.3 22.1 2.90 1.82 3.37<br />

Rougher 2 93.2 4.70 13.1 13.5 9.11 64.3 60.1 50.3 7.29 3.29<br />

Rougher 3 86.7 4.37 1.77 6.22 17.9 74.1 7.53 21.6 13.3 3.53<br />

Rougher 4 40.6 2.05 0.78 1.72 22.4 75.1 1.56 2.79 7.80 1.67<br />

Rougher 5 68.3 3.44 0.43 1.04 28.7 69.8 1.46 2.86 16.8 2.62<br />

Rougher Tail 1626 82.0 0.09 0.30 3.79 95.8 7.18 19.5 52.9 85.5<br />

Head (calc.)<br />

Combined Products<br />

1983 100 1.03 1.26 5.87 91.8 100 100 100 100<br />

Ro Conc 1 3.47 6.55 1.05 3.08 89.3 22.1 2.90 1.82 3.37<br />

Ro Conc 1-2 8.17 10.3 8.19 6.55 74.9 82.3 53.2 9.11 6.66<br />

Ro Conc 1-3 12.5 7.35 7.51 10.5 74.6 89.8 74.8 22.4 10.2<br />

Ro Conc 1-4 14.6 6.43 6.69 12.2 74.7 91.4 77.6 30.2 11.9<br />

Ro Conc 1-5 18.0 5.28 5.62 15.3 73.8 92.8 80.5 47.1 14.5<br />

Ro Tail 82.0 0.09 0.30 3.79 95.8 7.18 19.5 52.9 85.5<br />

pH<br />

Eh

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