Rare Element Resources
Bear Lodge Project
Canadian NI 43-101 PFS Technical Report
October 9
th
, 2014
10035-200-46 - Rev. 0
27-6
Figures by Feldsman 2012
Sample Locations for Whitetail,
Sample Locations for Bull Hill
Cumulative Percent REO Contained Below Size Fraction, Bull Hill provided by,
(SGS Lakefield, Canada) Whitetail Ore: Variability Granulometry data
Cumulative Percent REO Contained Below Size Fraction, Whitetail provided by,
(SGS Lakefield, Canada)
Cumulative Percent REO Contained Below Size Fraction, Whitetail, (Nagrom, Australia)
Gravity Separation Testing, Whitetail, (SGS Lakefield)
(SGS Lakefield, Canada)
TREO Analysis of PUG Pilot Composites, provided by
Comp 1A : PUG Concentrates and Tailings
Comp 1A Flowsheet
Comp 2: PUG Concentrates and Tailings
Comp 2 Flowsheet
PUG Concentrates and Tailings
Comp 3 Flowsheet
PUG Composites – Pilot Scale Results Summary
Compositing Ratios for Hydromet Testing Composites
In the PFS, Whitetail ore is screened at 24 and 6 inch screens to reject low grade ore
before beneficiation. The mass pull was reduced significantly while recovery remained
almost constant (refer to whole ore screening data, SGS report 2014).
(SGS Lakefield, 2013)
Rare Earth Extraction vs Acid Dosage (kg/t),
Rare Earth Extraction vs. Temperature (°C)
Sample Inventory Summary provided by Rare Element 2014
(SGS Lakefield, Canada: PP5-7 Report, 2014)
Flowsheet of the Leach Circuit, provided by
Flowsheet of the Pre-Leach Circuit
Counter Current Leach ( 30 kg/day) and Precipitation Units