Rare Element Resources
Bear Lodge Project
Canadian NI 43-101 Technical Report
October 9
th
, 2014
10135-200-46 - Rev. 0
13-12
Figure 13.4 - Separation of REOs by Screening at ¼” Bull Hill Low Grade
(Rare Element, 2014)
Table 13.7 tabulates the cumulative percent REO in size fractions less than one
quarter inch for three different samples: RES 11-19, RES 11-52 and RES 11-43.
Ex. 3
3 inch , Drill Core ( head assay, 2.48% REO )
Crushed and Screened at ¼ inch cut-off size
+ 1/4 inch
•
Oversize Mass:
78.3 wt.%
•
Grade:
0.55 %
•
Distribution:
17.3 wt.%
Upgrade = 3.8
- 1/4 inch
•
Undersize Mass :
21.70 wt.%
•
Grade:
9.44 wt.%
•
Distribution:
82.70 wt.%
Ex. 4
3 inch, Drill Core (head assay 2.07%REO )
Crushed and Screened
+ 1/4 inch
•
Oversize Mass: 86.10 wt.%
•
Grade: 1.64 wt.%
•
Distribution: 68.30 wt.%
Upgrade = 2.3
- 1/4 inch
•
Undersize Mass:
13.90 wt.%
•
Grade:
4.72 wt.%
•
Distribution:
31.70 wt.%
