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Table 14.3 summarizes the grade capping that was applied to the various elements
on the both the West and East Zones.
Table 14.3 Grade Capping
Zone Element
No. of
Sample
No. of Samples
Capped
Grade
Range
Capped
Capping
Value
Capped
(%)
WZ Au 1,502 8 2.4 - 25.71 2.29 0.5
EZ Pt 8,161 87 5.83 - 54.85 5.72 1.1
EZ Pd 8,168 87 5.14 - 91.53 5.14 1.1
EZ Au 5,521 39 2.40 - 15.08 2.05 0.7
EZ Cu 11,756 136 4.15 - 16.29 4.14 1.2
Table 14.4 summarizes the statistics of the borehole data after grade capping was
completed. The table indicates that although capping has been applied to selected
elements, the resulting change to the mean grade is not significant.
Table 14.4 Borehole Capped Grade Statistics
Zone Field N Samples Minimum Maximum Mean
Standard
Deviation
West Length 3,687 0.000 30.32 1.436 1.633
Pt 2,267 0.000 13.71 0.423 0.559
Pd 2,202 0.000 3.91 0.277 0.257
Au 1,502 0.000 25.71 0.122 0.450
Aucap 1,502 0.000 2.29 0.111 0.175
Ni 3,070 0.000 3.50 0.246 0.247
Cu 3,010 0.000 5.10 0.272 0.330
Co 1,841 0.000 0.70 0.017 0.014
East Length 14,630 0.000 74.88 1.182 1.876
Pt 8,161 0.000 54.85 0.453 0.891
Ptcap 8,161 0.000 5.72 0.441 0.652
Pd 8,168 0.000 91.53 0.371 0.846
Pdcap 8,168 0.000 5.14 0.359 0.505
Au 5,521 0.000 20.91 0.085 0.341
Aucap 5,521 0.000 2.05 0.078 0.180
Ni 12,041 0.000 14.00 0.444 0.750
Cu 11,756 0.000 16.29 0.373 0.633
Cucap 11,756 0.000 4.14 0.367 0.564
Co 8,961 0.000 2.59 0.018 0.035
Prophecy Platinum Corp. 14-3 1193460500-REP-R0001-02
Wellgreen Project Preliminary Economic Assessment,
Yukon, Canada