NI 43-101 Technical report, Surface diamond drilling ... - Iamgold

R a r e E a r t h E l e m e n t E x p l o r a t i o n P r o g r a m M a r c h - 2 0 1 3
W i n t e r - S u m m e r 2 0 1 2 P a g e | 78
Table 12: Summary of Blanks results, REE project 2012.
Blank
REE La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Y
Warning level 100 100 20 100 10 1 5 1 1 0.1 0.5 0.1 1 0.2 5
SGS
April Number of sample 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13
Average value 25.000 45.769 5.000 25.000 5.000 0.500 2.500 0.500 0.500 0.050 0.250 0.050 0.500 0.100 2.500
1 STD 0.000 37.961 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Coeff. of variation 0.0% 82.9% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
Above warning level 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
%AWL 0.0% 7.7% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
May Number of sample 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
Average value 39.024 66.951 6.463 28.293 5.000 0.573 2.500 0.500 0.610 0.072 0.273 0.056 0.537 0.110 2.500
1 STD 26.745 56.190 4.506 11.864 0.000 0.327 0.000 0.000 0.395 0.072 0.148 0.039 0.234 0.044 0.000
Coeff. of variation 68.5% 83.9% 69.7% 41.9% 0.0% 57.1% 0.0% 0.0% 64.9% 100.8% 54.3% 69.6% 43.7% 39.7% 0.0%
Above warning level 1 11 0 0 0 0 0 0 0 2 1 1 0 0 0
%AWL 2.4% 26.8% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 4.9% 2.4% 2.4% 0.0% 0.0% 0.0%
June Number of sample 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28
Average value 12.463 21.635 7.048 10.541 6.571 5.998 6.214 5.929 6.011 6.089 6.017 5.990 5.979 5.904 6.214
1 STD 15.991 23.827 12.484 14.263 12.647 12.804 12.727 12.838 12.798 12.770 12.796 12.810 12.813 12.849 12.727
Coeff. of variation 128.3% 110.1% 177.1% 135.3% 192.5% 213.5% 204.8% 216.5% 212.9% 209.7% 212.7% 213.8% 214.3% 217.6% 204.8%
Above warning level 3 11 2 1 0 0 0 0 0 2 0 1 0 0 0
%AWL 10.7% 39.3% 7.1% 3.6% 0.0% 0.0% 0.0% 0.0% 0.0% 7.1% 0.0% 3.6% 0.0% 0.0% 0.0%
July Number of sample 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44
Average value 59.205 104.545 10.227 39.886 5.682 0.795 2.773 0.500 0.591 0.057 0.250 0.050 0.500 0.105 2.500
1 STD 56.732 102.184 11.859 36.047 3.161 0.831 1.269 0.000 0.435 0.032 0.000 0.000 0.000 0.030 0.000
Coeff. of variation 95.8% 97.7% 116.0% 90.4% 55.6% 104.4% 45.8% 0.0% 73.6% 55.6% 0.0% 0.0% 0.0% 28.8% 0.0%
Above warning level 5 18 3 2 0 2 0 0 1 0 0 0 0 0 0
%AWL 11.4% 40.9% 6.8% 4.5% 0.0% 4.5% 0.0% 0.0% 2.3% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
August Number of sample 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76
Average value 48.224 89.868 10.000 36.974 5.329 0.750 2.546 0.500 0.546 0.061 0.255 0.050 0.500 0.100 2.559
1 STD 41.647 80.693 8.406 25.911 1.886 0.520 0.401 0.000 0.247 0.039 0.040 0.000 0.000 0.000 0.516
Coeff. of variation 86.4% 89.8% 84.1% 70.1% 35.4% 69.3% 15.8% 0.0% 45.3% 63.4% 15.8% 0.0% 0.0% 0.0% 20.2%
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