Rare Element Resources
Bear Lodge Project
Canadian NI 43-101 Technical Report
October 9
th
, 2014
10135-200-46 - Rev. 0
v
14
Mineral Resource Estimates...................................................................................14-1
14.1
Introduction....................................................................................................................... 14-1
14.2
General............................................................................................................................. 14-1
14.3
Resource Estimation Geometric Controls ........................................................................ 14-2
14.4
Trend Surfaces................................................................................................................. 14-2
14.5
Trend-Oriented Modeling ................................................................................................. 14-6
14.6
Statistical Analysis ........................................................................................................... 14-7
14.6.1
Density vs. Oxidation Zones ............................................................................................ 14-7
14.6.2
Core Recovery ............................................................................................................... 14-10
14.6.3
TREO Grade vs %FMR.................................................................................................. 14-11
14.6.4
TREO Grade vs Core Recovery..................................................................................... 14-13
14.6.5
Potential TREPO Bias from Low Core Recovery........................................................... 14-14
14.7
Compositing ................................................................................................................... 14-15
14.8
Grade-Zoned Composite Statistics ................................................................................ 14-17
14.8.1
TREO Grade Adjustments for Oxidation Zones............................................................. 14-21
14.9
Missing Grades for Fe
2
O
3
, MnO, and CaO .................................................................... 14-22
14.10
Variograms ..................................................................................................................... 14-23
14.11
OreZONE Block Model................................................................................................... 14-31
14.12
Grade Estimation ........................................................................................................... 14-32
14.13
Block Model Verification – IDP vs NN............................................................................ 14-38
14.14
Block Model Density Estimation..................................................................................... 14-41
14.15
Dilution ........................................................................................................................... 14-41
14.16
Resource Classification.................................................................................................. 14-46
14.17
Resource Summary ....................................................................................................... 14-47
14.17.1High-Grade Resource .................................................................................................... 14-55
14.17.2 Heavy Rare Earth (HREE) Enrichment…………………………………………...……….14-56
14.18
Other Factors Affecting the Resource Estimate............................................................. 14-58
15 Mineral Reserve Estimates .....................................................................................15-1
15.1 Definitions......................................................................................................................... 15-1
15.2 Parameters for Reserve Estimation ................................................................................. 15-2
15.3 Mineral Reserve Statement.............................................................................................. 15-5
15.4 Sensitivity of Reserves to Mining, Metallurgical, and other Factors ................................ 15-7
16 Mining Methods.......................................................................................................16-1
16.1 Introduction....................................................................................................................... 16-1
16.2 Mining Phase Designs ..................................................................................................... 16-1
16.3 Mineral Reserve Summary By Phase .............................................................................. 16-3
16.4 Mine Production Schedule ............................................................................................... 16-6
16.5 Waste Rock Facility Design ........................................................................................... 16-10
16.6 Mining Equipment Selection and Fleet Requirements ................................................... 16-22
16.7 Mine Personnel Requirements....................................................................................... 16-23
