Rare Element Resources
Bear Lodge Project
Canadian NI 43-101 Technical Report
October 9
th
, 2014
10135-200-46 - Rev. 0
17-68
Table 17.21 - Leach Efficiency Dataset
Leach Efficiency
Element
A
B
C
D
E
La
93.9%
97.0%
87.7%
89.2%
94.6%
Ce
73.7%
85.5%
86.1%
87.1%
82.9%
Pr
93.2%
96.7%
87.1%
88.7%
95.0%
Nd
92.9%
96.4%
87.5%
88.8%
95.1%
Sm
90.9%
94.6%
87.3%
88.1%
94.1%
Eu
90.7%
93.6%
87.7%
88.1%
93.7%
Gd
89.8%
93.1%
86.9%
86.9%
93.5%
Tb
88.4%
92.6%
86.3%
85.3%
90.8%
Dy
86.0%
89.0%
83.8%
82.4%
88.8%
Ho
83.2%
86.9%
81.7%
79.6%
86.7%
Y
81.8%
86.2%
80.6%
77.9%
83.3%
Er
78.8%
84.3%
78.9%
76.6%
82.7%
Tm
73.8%
83.3%
77.5%
75.1%
78.4%
Yb
73.7%
79.1%
75.3%
73.7%
75.0%
Lu
54.1%
71.7%
70.2%
70.0%
65.9%
Sc
4.4%
11.5%
10.8%
15.2%
6.9%
Th
67.8%
82.3%
55.0%
54.6%
73.4%
U
62.0%
67.4%
59.9%
61.5%
67.2%
Al
6.4%
10.8%
11.7%
14.5%
11.8%
As
19.1%
27.3%
30.1%
14.7%
30.4%
Ba
4.9%
9.8%
15.6%
6.8%
7.2%
Be
77.0%
27.8%
83.7%
37.9%
50.5%
Ca
99.3%
99.5%
99.2%
98.2%
96.2%
Fe
26.3%
44.5%
21.3%
20.9%
21.7%
K
5.6%
8.1%
8.7%
11.1%
10.3%
Mg
76.0%
84.3%
72.1%
82.3%
81.4%
Mn
71.2%
84.7%
54.8%
69.4%
80.8%
Mo
26.6%
52.0%
19.2%
15.7%
26.6%
Na
17.5%
17.7%
22.1%
20.2%
30.8%
P
80.4%
83.4%
77.1%
69.9%
78.8%
Pb
71.7%
85.8%
62.5%
76.7%
76.8%
Si
0.4%
0.4%
0.5%
0.5%
1.0%
Sr
62.2%
78.2%
91.5%
92.3%
64.2%
Ti
6.3%
9.7%
7.2%
3.7%
4.8%
V
49.7%
55.9%
39.1%
30.9%
47.3%
Zn
37.3%
55.3%
44.8%
44.7%
39.8%
(SGS Lakefield, 2014)
