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

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Test No.: F5 <strong>Project</strong> No.: 50149-001 Operator: YW Date: September 29 2011<br />

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

Procedure: As outlined below.<br />

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

Grind: 88 minutes / 2 kg @ 65% solids in laboratory Ball Mill<br />

Regrind:<br />

Conditions:<br />

Stage<br />

Feed K 80 :50 µm<br />

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

Grind 5 88<br />

Condition 1<br />

Rougher 1 10 1 2 9.0 -42.0<br />

Rougher 2 5 5 1 2 8.9 20.4<br />

Rougher 3 10 5 1 4 8.9 15.2<br />

Rougher 4 20 5 1 4 8.9 14.1<br />

Rougher 5 30 1 8 8.9 4.8<br />

Total 0 70 0 0 0 25<br />

* As required<br />

0 88 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 72.0 3.63 0.32 0.37 1.94 1.70 5.38 0.28 3.25 2.85 2.38 13.1 40.4 26.7<br />

Ro Conc 2 86.3 4.36 5.93 1.64 8.62 1.96 2.29 0.11 72.1 15.1 12.7 18.1 20.6 12.6<br />

Ro Conc 3 110 5.53 1.05 4.72 9.20 1.72 1.12 0.07 16.2 55.3 17.2 20.2 12.8 10.2<br />

Ro Conc 4 71.2 3.59 0.24 0.66 7.85 1.32 0.61 0.06 2.41 5.02 9.54 10.1 4.53 5.66<br />

Ro Conc 5 101 5.10 0.12 0.33 6.89 0.82 0.38 0.03 1.71 3.56 11.9 8.86 4.00 4.02<br />

Ro Tail 1541 77.8 0.02 0.11 1.76 0.18 0.11 < 0.02 4.34 18.1 46.3 29.7 17.7 40.8<br />

Head ( calc. ) 1981.1 100 0.358 0.47 2.96 0.47 0.484 0.038 100 100 100 100 100 100<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 72.00 3.63 0.32 0.37 1.94 1.70 5.38 0.28 3.25 2.85 2.38 13.1 40.4 26.7<br />

Ro Conc 1-2 158.3 7.99 3.38 1.06 5.58 1.84 3.70 0.19 75.3 18.0 15.1 31.2 61.0 39.3<br />

Ro Conc 1-3 267.9 13.5 2.43 2.56 7.06 1.79 2.64 0.14 91.5 73.3 32.3 51.4 73.8 49.5<br />

Ro Conc 1-4 339.1 17.1 1.97 2.16 7.23 1.69 2.22 0.12 94.0 78.3 41.8 61.4 78.3 55.1<br />

Ro Conc 1-5 440.1 22.2 1.54 1.74 7.15 1.49 1.79 0.10 95.7 81.9 53.7 70.3 82.3 59.2<br />

Product Weight<br />

Assays, % % Distribution<br />

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

Rougher 1 72.0 3.63 0.93 1.02 3.37 94.7 3.25 2.88 2.14 3.74<br />

Rougher 2 86.3 4.36 17.2 4.65 2.81 75.3 72.1 15.8 2.14 3.57<br />

Rougher 3 110 5.53 3.04 13.4 9.79 73.8 16.2 57.6 9.49 4.44<br />

Rougher 4 71.2 3.59 0.70 1.67 18.6 79.1 2.41 4.69 11.7 3.09<br />

Rougher 5 101 5.10 0.35 0.75 17.2 81.7 1.71 2.97 15.3 4.53<br />

Rougher Tail 1541 77.8 0.06 0.26 4.35 95.3 4.34 16.0 59.2 80.6<br />

Head (calc.)<br />

Combined Products<br />

1981 100 1.04 1.28 5.71 92 100 100 100 100<br />

Ro Conc 1 3.63 0.93 1.02 3.37 94.7 3.25 2.88 2.14 3.74<br />

Ro Conc 1-2 7.99 9.79 3.00 3.06 84.1 75.3 18.7 4.29 7.31<br />

Ro Conc 1-3 13.5 7.03 7.24 5.82 79.9 91.5 76.3 13.8 11.7<br />

Ro Conc 1-4 17.1 5.70 6.07 8.49 79.7 94.0 81.0 25.5 14.8<br />

Ro Conc 1-5 22.2 4.47 4.85 10.5 80.2 95.7 84.0 40.8 19.4<br />

Ro Tail 77.8 0.06 0.26 4.35 95.3 4.34 16.0 59.2 80.6<br />

pH<br />

Eh

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