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 | 87
Oreas-146
REE La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Y
Nb. Outliers 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
% Outliers 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% 0.0% 0.0%
August Number of sample 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25
Average value 2527.6 4687.6 549.6 2214.0 453.6 128.1 363.0 48.4 227.4 36.9 87.2 10.0 53.7 6.5 912.0
1 STD 76.4 103.0 18.1 71.0 12.9 3.3 9.6 1.0 4.2 0.5 1.8 0.2 1.3 0.2 19.3
Coefficient of variation 3.0% 2.2% 3.3% 3.2% 2.8% 2.6% 2.6% 2.0% 1.8% 1.5% 2.1% 2.3% 2.4% 3.1% 2.1%
% Difference on average 0.6% 0.1% 0.3% 1.5% 2.9% 0.9% 1.1% 2.5% 1.5% 0.2% 0.5% 1.1% 0.3% 3.2% 0.8%
Nb. Outliers 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
% Outliers 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% 0.0% 0.0%
September Number of sample 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
Average value 2565.0 4706.3 562.5 2227.5 453.8 129.5 363.6 47.4 219.8 37.0 87.0 10.0 52.9 6.4 898.1
1 STD 66.3 96.4 20.5 60.9 16.0 3.3 9.7 1.8 5.6 1.2 2.7 0.3 0.6 0.3 18.6
Coefficient of variation 2.6% 2.0% 3.6% 2.7% 3.5% 2.5% 2.7% 3.9% 2.5% 3.1% 3.1% 3.2% 1.2% 5.3% 2.1%
% Difference on average 2.1% 0.3% 2.6% 2.1% 2.9% 2.0% 1.3% 0.4% 1.9% 0.5% 0.8% 0.5% 1.2% 1.4% 0.8%
Nb. Outliers 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
% Outliers 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% 0.0% 0.0%
October Number of sample 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
Average value 2518.6 4677.1 542.9 2182.9 452.9 127.1 360.7 47.0 226.0 36.7 86.1 10.1 54.3 6.5 924.3
1 STD 149.2 152.8 30.9 121.2 21.4 5.6 14.5 2.2 5.8 0.8 3.8 0.3 1.0 0.3 70.9
Coefficient of variation 5.9% 3.3% 5.7% 5.6% 4.7% 4.4% 4.0% 4.6% 2.6% 2.3% 4.4% 2.5% 1.8% 4.6% 7.7%
% Difference on average 0.2% 0.3% 0.9% 0.0% 2.7% 0.1% 0.5% 0.4% 0.9% 0.3% 1.8% 2.5% 1.5% 3.6% 2.1%
Nb. Outliers 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
% Outliers 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% 0.0% 14.3%
November Number of sample 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27
Average value 2580.0 4713.0 558.9 2235.6 455.6 128.5 358.3 46.3 222.9 37.0 86.6 10.0 53.5 6.5 907.8
1 STD 75.8 143.8 15.5 71.2 14.0 3.0 13.7 2.0 4.3 0.7 2.0 0.2 1.4 0.2 23.9
Coefficient of variation 2.9% 3.1% 2.8% 3.2% 3.1% 2.4% 3.8% 4.4% 1.9% 2.0% 2.3% 1.9% 2.6% 2.5% 2.6%
% Difference on average 2.7% 0.5% 2.0% 2.5% 3.3% 1.2% 0.2% 1.8% 0.5% 0.6% 1.3% 1.4% 0.0% 2.7% 0.3%
Nb. Outliers 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
% Outliers 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% 0.0% 0.0%
December Number of sample 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
Average value 2592.0 4742.0 556.0 2210.0 456.0 129.2 361.4 48.4 222.0 36.8 87.6 10.1 53.4 6.3 900.8
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