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

Prophecy Platinum Corporation – Wellgreen Property – Project 50149-001
List of Figures
Figure 1: QEMSCAN Calculated Assays Compared to Chemical Assays ...........................................5
Figure 2: Mineral Cumulative Grain Size Distribution..........................................................................7
Figure 3: Chalcopyrite Mineral Association ........................................................................................8
Figure 4: Chalcopyrite Exposure........................................................................................................9
Figure 5: Pentlandite Mineral Association ........................................................................................10
Figure 6: Pentlandite Exposure........................................................................................................11
Figure 7: Pyrhotite Mineral Association ............................................................................................12
Figure 8: Pyrrhotite Exposure ..........................................................................................................13
Figure 9: Mineralogically Limiting Copper Grade-Recovery Curves ..................................................14
Figure 10: Mineralogically Limiting Nickel Grade-Recovery Curves ..................................................15
Figure 11: Mineralogically Limiting Pyrrhotite Grade -Recovery Curves............................................16
Figure 12: Mineral Release Curves..................................................................................................17
Figure 13: Histogram of Bond Ball Mill Work Index Distribution ........................................................18
Figure 14: Master Composite Abrasion Index Relative to SGS Database .........................................19
Figure 15: Rougher flotation Kinetics Results...................................................................................22
Figure 16: Effect of Mass Recovery on Cu, Ni and PGE Recovery ...................................................23
Figure 17: Effect of Primary Grinding on Rougher Recovery ............................................................24
Figure 18: Recovery Grind Relationship...........................................................................................25
Figure 19: Effect of Pulp Chemistry on Rougher Flotation ................................................................27
Figure 20: Effect of Talc Pre-flotation and CMC on Rougher Flotation..............................................28
Figure 21: Cleaner Flotation Tests Flowsheet ..................................................................................34
Figure 22: Copper Grade-Recovery Relationship .............................................................................35
Figure 23: Recovery vs. Cu+Ni and PGE grade ...............................................................................36
Figure 24: Cu/Ni Separation Flowsheet used in Test Sep-F1 ...........................................................37
Figure 25: Locked Cycle Test 2 Circuit Stability................................................................................39
Figure 26: Split Flowsheet ...............................................................................................................41
Figure 27: MF2 Flowsheet ...............................................................................................................45
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