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

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Test No.: F24 <strong>Project</strong> No.: 50149-001 Operator: YW Date: January 12 2012<br />

Purpose: Rougher Flotation test, 20 g/t SIPX in the grind<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 />

Feed K 80 :90 µm<br />

Stage<br />

245<br />

Reagents added, grams per tonne<br />

SIPX 3477 PAX CMC MIBC* DF 250<br />

Time, minutes<br />

Grind Cond. Froth<br />

pH Eh<br />

Grind 20 57<br />

Condition 1<br />

Rougher 1 12 1 4 8.8 67.1<br />

Rougher 2 10 1 4 8.8 21.4<br />

Rougher 3 10 1 4 8.6 12.9<br />

Rougher 4 10 1 4 8.7 32.8<br />

Rougher 5 10 1 4 8.6 26.9<br />

Total 0 60 0 0 0 12<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 1800<br />

Ro tails Ni(S)<br />

Metallurgical Balance<br />

Product<br />

Weight<br />

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

% Distribution<br />

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

Ro Conc 1 128.5 6.46 3.93 0.97 6.64 1.54 4.40 0.25 13.5 20.0 77.7 14.4 18.1 24.43 56.0 36.3 7.0 5.1<br />

Ro Conc 2 76.9 3.86 0.77 5.81 11.1 1.94 2.35 0.21 20.4 17.7 9.1 51.8 18.1 18.4 17.9 18.2 6.3 2.7<br />

Ro Conc 3 56 2.81 0.26 0.85 6.62 1.58 0.87 0.07 18.3 22.9 2.24 5.5 7.9 10.9 4.8 4.42 4.1 2.57<br />

Ro Conc 4 44 2.21 0.13 0.4 5.16 1.04 0.47 0.04 16.6 23.6 0.88 2.04 4.8 5.65 2.05 1.99 2.95 2.08<br />

Ro Conc 5 31.8 1.60 0.09 0.36 5.32 0.98 0.37 0.05 17.8 22.7 0.44 1.33 3.6 3.8 1.17 1.79 2.28 1.45<br />

Ro Tail 1653 83.1 0.04 0.13 1.36 0.18 0.11 < 0.02 11.6 26.0 9.66 24.9 47.6 36.7 18.0 37.3 77.3 86.0<br />

Ro Tails Ni(s)=0.06<br />

Head ( calc. ) 1990 100 0.33 0.43 2.37 0.41 0.51 0.04 12.5 25.1 100 100 100 100 100 100 100 100<br />

Head (direct) 0.33 0.42 2.53 0.41 0.45 0.04 11.9 22.8<br />

Combined Product Weight<br />

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

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

Ro Conc 1 128.5 6.46 3.93 0.97 6.64 1.54 4.40 0.25 13.5 20.0 77.7 14.4 18.1 24.43 56.0 36.3 7.0 5.1<br />

Ro Conc 1-2 205.4 10.3 2.75 2.78 8.31 1.69 3.63 0.24 16.1 19.1 86.8 66.2 36.1 42.8 73.9 54.5 13.3 7.9<br />

Ro Conc 1-3 261.4 13.1 2.21 2.37 7.95 1.67 3.04 0.20 16.6 19.9 89.0 71.7 44.0 53.8 78.8 58.9 17.5 10.4<br />

Ro Conc 1-4 305.4 15.3 1.91 2.08 7.55 1.58 2.67 0.18 16.6 20.5 89.9 73.8 48.8 59.4 80.8 60.9 20.4 12.5<br />

Ro Conc 1-5 337.2 16.9 1.74 1.92 7.34 1.52 2.45 0.16 16.7 20.7 90.3 75.1 52.4 63.3 82.0 62.7 22.7 14.0<br />

Product Weight<br />

Assays, % % Distribution<br />

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

Rougher 1 128.5 6.46 11.4 2.72 4.62 81.3 77.7 14.8 6.9 5.6<br />

Rougher 2 76.9 3.86 2.23 16.5 12.9 68.4 9.1 53.5 11.5 2.8<br />

Rougher 3 56.0 2.81 0.75 2.26 14.8 82.2 2.2 5.3 9.6 2.5<br />

Rougher 4 44.0 2.21 0.38 1.00 12.4 86.3 0.9 1.9 6.3 2.0<br />

Rougher 5 31.8 1.60 0.26 0.88 13.0 85.9 0.4 1.2 4.8 1.5<br />

Rougher Tail 1653 83.1 0.11 0.34 3.19 96.4 9.7 23.4 61.0 85.6<br />

Head (calc.)<br />

Combined Products<br />

1990 100 0.95 1.19 4.34 93.5 100 100 100 100<br />

Ro Conc 1 6.46 11.39 2.72 4.62 81.3 77.7 14.8 6.88 5.61<br />

Ro Conc 1-2 10.32 8.0 7.86 7.71 76.5 86.8 68.2 18.3 8.44<br />

Ro Conc 1-3 13.1 6.42 6.66 9.2 77.7 89.0 73.6 27.9 10.9<br />

Ro Conc 1-4 15.3 5.55 5.85 9.7 78.9 89.9 75.4 34.2 13.0<br />

Ro Conc 1-5 16.9 5.05 5.38 10.0 79.6 90.3 76.6 39.0 14.4<br />

Ro Tail 83.1 0.11 0.34 3.19 96.4 9.66 23.4 61.0 85.6

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