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

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Test No.: F6 <strong>Project</strong> No.: 50149-001 Operator: YW Date: September 29 2011<br />

Purpose: Rougher Flotation test, Repeat F3, coarser primary grind<br />

Procedure: As outlined below.<br />

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

Grind: 43 minutes / 2 kg @ 65% solids in laboratory Ball Mill<br />

Regrind:<br />

Conditions:<br />

Stage<br />

Feed K 80 :144 µm<br />

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

Grind 5 43<br />

Condition 1<br />

Rougher 1 10 1 2 8.9 11.5<br />

Rougher 2 5 5 1 2 9.0 22.4<br />

Rougher 3 10 5 1 4 8.9 21.4<br />

Rougher 4 20 5 1 4 8.8 -5.0<br />

Rougher 5 30 1 8 8.7 -12.3<br />

Total 0 70 0 0 0 25<br />

* As required<br />

0 43 6 20<br />

Stage<br />

Rougher<br />

Flotation Cell 1000-D12<br />

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

Speed: rpm<br />

Metallurgical Balance<br />

1800<br />

PSA on tail<br />

Assays to Lakefield<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 />

Ro Conc 1 86.4 4.36 5.59 2.75 10.7 0.33 1.01 0.09 67.1 26.2 15.5 3.51 10.6 9.63<br />

Ro Conc 2 67.8 3.42 1.31 4.61 11.7 1.43 4.79 0.31 12.3 34.5 13.3 12.0 39.3 26.0<br />

Ro Conc 3 98.0 4.94 0.53 1.13 8.21 1.92 2.09 0.12 7.21 12.2 13.5 23.2 24.8 14.6<br />

Ro Conc 4 75.4 3.80 0.23 0.52 8.31 1.96 0.60 0.05 2.41 4.32 10.5 18.2 5.48 4.67<br />

Ro Conc 5 111 5.62 0.10 0.33 7.24 1.20 0.36 0.05 1.55 4.05 13.5 16.5 4.86 6.90<br />

Ro Tail 1544 77.9 0.044 0.11 1.30 0.14 0.08 < 0.02 9.43 18.7 33.7 26.6 15.0 38.2<br />

Head ( calc. ) 1983.0 100 0.363 0.46 3.01 0.41 0.416 0.041 100 100 100 100 100 100<br />

Head (direct) 0.330 0.42 2.53 0.41 0.450 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 />

Ro Conc 1 86.40 4.36 5.59 2.75 10.7 0.33 1.01 0.09 67.1 26.2 15.5 3.51 10.6 9.63<br />

Ro Conc 1-2 154.2 7.78 3.71 3.57 11.1 0.81 2.67 0.19 79.4 60.7 28.8 15.5 49.9 35.6<br />

Ro Conc 1-3 252.2 12.7 2.47 2.62 10.0 1.24 2.45 0.16 86.6 72.9 42.3 38.7 74.7 50.2<br />

Ro Conc 1-4 327.6 16.5 1.96 2.14 9.61 1.41 2.02 0.14 89.0 77.2 52.8 56.9 80.2 54.9<br />

Ro Conc 1-5 439.0 22.1 1.49 1.68 9.01 1.36 1.60 0.11 90.6 81.3 66.3 73.4 85.0 61.8<br />

Product Weight<br />

Assays, % % Distribution<br />

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

Rougher 1 86.4 4.36 16.2 7.78 6.48 69.5 67.1 27.4 4.81 3.30<br />

Rougher 2 67.8 3.42 3.80 13.0 16.0 67.2 12.3 35.8 9.33 2.50<br />

Rougher 3 98.0 4.94 1.54 3.03 17.6 77.9 7.21 12.1 14.8 4.19<br />

Rougher 4 75.4 3.80 0.67 1.26 20.2 77.9 2.41 3.85 13.1 3.23<br />

Rougher 5 111 5.62 0.29 0.74 18.1 80.8 1.55 3.33 17.4 4.94<br />

Rougher Tail 1544 77.9 0.13 0.28 3.06 96.5 9.43 17.5 40.6 81.8<br />

Head (calc.)<br />

Combined Products<br />

1983 100 1.05 1.24 5.87 91.8 100 100 100 100<br />

Ro Conc 1 4.36 16.2 7.78 6.48 69.5 67.1 27.4 4.81 3.30<br />

Ro Conc 1-2 7.78 10.7 10.1 10.7 68.5 79.4 63.2 14.1 5.80<br />

Ro Conc 1-3 12.7 7.17 7.33 13.3 72.1 86.6 75.3 28.9 10.0<br />

Ro Conc 1-4 16.5 5.67 5.94 14.9 73.5 89.0 79.1 42.0 13.2<br />

Ro Conc 1-5 22.1 4.31 4.62 15.7 75.3 90.6 82.5 59.4 18.2<br />

Ro Tail 77.9 0.13 0.28 3.06 96.5 9.43 17.5 40.6 81.8<br />

pH<br />

Eh

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