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 | 83
Oreas-101a
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 3
% 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% 20.0%
August Number of sample 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24
Average value 102.7 171.2 18.6 51.8 8.8 3.5 7.2 3.3 6.5 3.3 4.9 2.9 4.8 2.9 24.0
1 STD 249.1 421.2 39.6 122.2 15.6 6.3 12.2 6.1 10.8 6.2 7.9 6.1 7.7 6.1 52.7
Coefficient of variation 242.5% 246.0% 212.4% 236.0% 177.2% 178.3% 168.8% 187.8% 166.4% 184.6% 159.5% 207.3% 160.7% 209.2% 219.3%
% Difference on average 87.4% 87.7% 86.1% 87.2% 82.0% 56.5% 83.3% 44.8% 80.6% 48.3% 74.6% 1.1% 72.8% 9.2% 86.9%
Nb. Outliers 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1
% Outliers 4.2% 4.2% 4.2% 4.2% 4.2% 4.2% 0.0% 4.2% 4.2% 4.2% 4.2% 4.2% 4.2% 4.2% 4.2%
September Number of sample 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12
Average value 825.0 1380.8 133.3 401.7 50.0 8.0 37.8 5.8 32.3 6.6 20.0 2.8 18.6 2.6 172.4
1 STD 27.5 65.6 6.5 14.7 0.0 0.4 1.3 0.4 1.4 0.2 0.8 0.1 0.7 0.1 4.7
Coefficient of variation 3.3% 4.7% 4.9% 3.7% 0.0% 5.3% 3.3% 6.7% 4.2% 3.3% 4.1% 3.2% 3.6% 4.5% 2.7%
% Difference on average 1.1% 1.1% 0.5% 0.3% 2.5% 0.7% 12.8% 1.5% 3.2% 2.2% 2.4% 2.0% 6.2% 2.6% 5.8%
Nb. Outliers 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
% 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% 16.7%
October Number of sample 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15
Average value 822.0 1380.7 131.3 400.7 50.0 8.1 37.2 5.7 31.9 6.5 19.7 2.8 18.6 2.6 173.1
1 STD 31.0 55.7 7.4 16.7 0.0 0.3 1.0 0.5 0.5 0.2 0.4 0.1 0.5 0.1 2.9
Coefficient of variation 3.8% 4.0% 5.7% 4.2% 0.0% 3.2% 2.7% 8.6% 1.4% 2.3% 2.1% 2.2% 2.7% 4.0% 1.7%
% Difference on average 0.7% 1.1% 2.0% 0.6% 2.5% 0.1% 14.3% 4.3% 4.1% 0.6% 0.8% 1.8% 6.3% 0.8% 5.4%
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%
November Number of sample 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17
Average value 1115.3 1951.8 206.5 728.8 122.9 29.5 95.1 12.6 66.6 12.1 32.0 4.2 24.9 3.3 309.2
1 STD 638.7 1267.2 165.7 724.3 162.5 47.5 127.3 15.4 76.2 12.1 26.6 2.9 14.4 1.6 306.3
Coefficient of variation 57.3% 64.9% 80.3% 99.4% 132.2% 161.2% 133.9% 122.1% 114.5% 100.4% 83.3% 69.4% 57.8% 47.4% 99.1%
% Difference on average 36.7% 39.8% 54.1% 80.8% 151.9% 265.6% 119.0% 113.6% 100.0% 86.7% 64.1% 43.4% 42.2% 25.8% 68.9%
Nb. Outliers 3 3 3 3 3 3 3 3 3 3 3 3 3 3 5
% Outliers 17.6% 17.6% 17.6% 17.6% 17.6% 17.6% 17.6% 17.6% 17.6% 17.6% 17.6% 17.6% 17.6% 17.6% 29.4%
December Number of sample 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Average value 870.0 1400.0 130.0 395.0 50.0 8.0 38.0 6.0 31.5 6.7 20.4 3.0 18.5 2.7 172.5
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