technical report on the nechalacho deposit, thor lake project ...

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Golder Associates (1998): Thor Lake Beryllium Project: Environmental Baseline Study. Unpublished <strong>report</strong> prepared for Highland Resources Ltd. 32 pp + figures and appendices. Harben, P.W. (2002): The Industrial Mineral Handybook, 4 th Information, Surrey, U.K. edition; Industrial Minerals Henderson, J. B. (1985): Geology of the Yellowknife - Hearne Lake area, District of Mackenzie: a Segment Across an Archean Basin; in Geol. Surv. Can., Memoir 414, 135 p. IMCOA (2009): Rare Earth Carbonate Pricing. Internal Avalon <strong>report</strong>. Melis Engineering Ltd. (2010): Avalon Rare Metals Inc. Thor Lake Project - Nechalacho Deposit Pre-Feasibility Study 1,000 TPD Flotation Plant Process Description. Memorandum prepared for Scott Wilson RPA. Melis Engineering Ltd. (2010): Avalon Rare Metals Inc. Thor Lake Project - Nechalacho Deposit Pre-Feasibility Study 1,000 TPD Flotation Plant Capital Cost Estimate Draft1. Memorandum prepared for Scott Wilson RPA. Knight Piésold Consulting (2010): Avalon Rare Metals Inc. Thor Lake Project: Pre-feasibility Study Rock Mechanics Summary. Report prepared for Avalon Rare Metals Inc., Toronto, ON. Knight Piésold Consulting (2010): Avalon Rare Metals Inc. Thor Lake Project: Pre-feasibility Study Tailings and Water Management. Report prepared for Avalon Rare Metals Inc., Toronto, ON. Knight Piésold Consulting (2010): Avalon Rare Metals Inc. Thor Lake Project: Pre-feasibility Study Hydrometallurgical Tailings Management Facility. Report prepared for Avalon Rare Metals Inc., Toronto, ON. LeCouteur, P. C. (2002): Geological Report on the Lake Zone; prepared for Navigator Exploration Corp., 36 p. Lindsey, H. Eugene (1987): "Thor Lake Project; Ore Reserves and Further Exploration, NWT, Canada". Internal company <strong>report</strong>. Machida, K. (2006): Letter <strong>report</strong> to Avalon Ventures Ltd. of October 12, 2006. MDN Inc (2009): Technical Report on the Crevier Property, SGS Geostat, for MDN Inc and Crevier Minerals Inc, 25 May 2009 Technical Report 43-101 – March 13, 2011 Page 21-2 Prepared by Avalon Rare Metals Inc.
MDN Inc (2010): News Release Melville G., Godwin, R., Russell, D., & Polson, J. (1989): Thor lake Area (NWT) Environmental Baseline Survey. Saskatchewan Research Council Publication E-901-1-E-89. Pedersen, Jens C. (1988): Final Report on the Lake Zone Diamond Drilling of January-March, 1988; prepared for Highwood Resources Ltd., 25 p. Pedersen, J. C., Trueman, D. L., & Mariano, A. N. (2007): The Thor Lake Rare Earths-Rare Metals Deposits, Northwest Territories, Field Trip Guidebook, GAC/MAC Annual Meeting 2007. Richardson, D.G. and Birkett, T.C. (1995): Peralkaline rock-associated rare metals; in Geology of Canadian Mineral Deposit Types; in O.R. Eckstrand, W.D. Sinclair, and Saskatchewan Research Council [SRC]. (1989). Thor Lake Area (NWT) Environmental Baseline Study. Prepared for SENES Consultants Ltd. by Melville, G., Godwin, B., Russell, D., and Polson, J. SRC publication E-901-1-E-89. Roskill (2009): The Economics of Niobium, 11 th Edition Roskill (2007): The Economics of Zirconium, 12 th Edition SBM Mineral Processing and Engineering Services Ltd. (2009): Process Criteria & Engineering Data for Design of a 1000 TPD Plant for Beneficiation of Thor Lake – Lake Zone Ore, Project Reference SBM-0907, October 2009, Revision 2, November 10, 2009 Scott Wilson RPA (2010): Technical Report on the Thor Lake Project, Northwest Territories, Canada, prepared for Avalon Rare Metals Inc. Report for NI 43-101 Amended September 21, 2010 Sinclair, W. D., Hunt, P.A., & Birkett, T.C. (1994): U-Pb Zircon and Monazite Ages of the Grace Lake Granite, Blachford Lake Intrusive Suite, Slave Province, Northwest Territories, in Radiogenic Age and Isotopic Studies: Report 8; Geol. Surv. Can., Current Research 1994- F, pp. 15 - 20. Sinton, C. (2006): Rare Earths: Worldwide Markets, Applications, Technologies; BCC Research, Report Code: AVMO 18E. Source Geology of Canadian Mineral Deposit Types; by Eckstrand, O R (ed.); Sinclair, W D (ed.); Thorpe, R I (ed.); Geological Survey of Canada, Geology of Canada Series no. 8, 1995; pages 523-540 1 CD-ROM Technical Report 43-101 – March 13, 2011 Page 21-3 Prepared by Avalon Rare Metals Inc.
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TECHNICAL REPORT ON THE NECHALACHO
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TABLE OF CONTENTS 1. SUMMARY ......
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QUALITY ASSURANCE / QUALITY CONTROL
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Warehouse..........................
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LIST OF TABLES Table 1-1 Summary of
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Table 18-9 Mine Ventilation Quantit
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Table 18-54 Table 18-55 Pine Point
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LIST OF APPENDICES APPENDIX A Block
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Table 1-1 Summary of Mineral Resour
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Royalties. The net revenue generate
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• The products will be shipped in
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• Income taxes and NWT mining roy
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2. INTRODUCTION This report
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Figure 2-2 Project Sites, Thor Lake
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Table 2-1 Rare Earth Element Data A
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LIST OF ABBREVIATIONS Units of meas
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4. PROPERTY DESCRIPTION AND LOCATIO
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The mining leases have a 21-year li
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5. ACCESSIBILITY, CLIMATE, LOCAL RE
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Fort Resolution is located on the s
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producing a tantalum concentrate, b
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Figure 7-2 Detailed Deposit Geology
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The nepheline-sodalite syenite host
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LATE TECTONIC FAULTS Faults are pre
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8. DEPOSIT TYPES The mineral deposi
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The Ore (Nechalacho) Nepheline Soda
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from section to section - this may
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Table 9-1 Average Percent of Ore Mi
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The Nechalacho deposit alteration s
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11. DRILLING Since 1977, diamond dr
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Foraco drill rig was added in Febru
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CORE LOGGING AND CORE RECOVERY The
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A high R 2 (and all regressions had
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12. SAMPLING METHOD AND APPROACH A
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such as Illimausaq in Greenland, a
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13. SAMPLE PREPARATION, ANALYSES AN
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limited set of elements; however, s
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CONCLUSIONS Avalon’s conclusions
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Tb and Dy) were routinely monitored
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As part of the QA/QC program, Avalo
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Table 14-4: Comparison of Niobium,
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shows more deviation, with ALS MS81
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16. MINERAL PROCESSING AND METALLUR
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In a typical test, for example CCr-
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17. MINERAL RESOURCE AND MINERAL RE
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9. TREO equivalent is estimated by
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Table 17-4 Sample Information Avalo
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Figure 17-1 Distribution of REO Com
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Assay Statistics for Upper Zone* *
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CUT-OFF GRADE A previous public res
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underneath for SG measurement purpo
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Figure 17-4 Density Measurements AL
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was equal to 60 m by 60 m by 30 m a
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Table 17-12 Detailed Resource Break
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Table 17-13 Indicated Mineral Resou
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Figure 17-7 Outline of Area of Indi
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The recoveries estimated for the fl
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grades were based upon the grades w
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Figure 18-1 Thor Lake Site Layout T
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Scott Wilson RPA recommends the use
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During discussions with the mine de
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Figure 18-4 Mine Layout Some of the
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Figure 18-5 Mine Development Schema
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Table 18-2 Development Tonnage Brea
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Until the crusher is in place and t
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Lateral Development The access decl
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Equipment will be selected based up
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Table 18-6 Estimated Electrical Loa
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VENTILATION The mine ventilation is
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for closing unused areas and for ch
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Mine Fan Horse Power Using the same
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Paste Fill System A paste fill syst
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Communications Mine communications
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completion of the 30 m to 50 m long
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HEALTH AND SAFETY All crew will be
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The crushing plant is designed for
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Table 18-12 (Cont’d) Principal Pr
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Figure 18-9 Hydrometallurgical Plan
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The Pine Point hydrometallurgical f
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Decant pipeworks have been included
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• Development of pre-feasibility
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Design Basis The pre-feasibility le
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non-woven geotextile) to prevent da
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divert surface drainage away from r
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A high pressure (200 psi) compresse
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Fuel deliveries are assumed to be s
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Mill Supplies The key mill supplies
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Table 18-15 Surface Equipment Fleet
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Figure 18-10 Thor Lake Temporary Ba
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• Together with the unloading log
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it will be necessary to upgrade the
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Table 18-16 Hydrometallurgical Plan
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Table 18-17 Surface Mobile Equipmen
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Rare Earth FOB China* FOB China** P
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• loparite and eudialyte in alkal
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Table 18-18 Rare Earth supply - 200
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Table 18-20 Rare Earth Demand by Ap
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Table 18-22 Proposed New REO Projec
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in China. On this basis, Avalon is
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Determine Prices for Avalon’s Pro
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The balance of niobium supply is co
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epresenting about 18% of total zirc
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Table 18-25 Historic Chinese Export
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Figure 18-16 Tantalum Markets - 200
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the price for tantalum chemicals in
Page 211 and 212: Surface Hydrology The Thor Lake dra
Page 213 and 214: seven) have occurred more frequentl
Page 215 and 216: elative to uranium, the overall eff
Page 217 and 218: interviews conducted for the nearby
Page 219 and 220: Wildlife Early science-based wildli
Page 221 and 222: Other environmental permits/approva
Page 223 and 224: TAXES The NWT diesel tax has been i
Page 225 and 226: Table 18-31 Mine Capital Cost Estim
Page 227 and 228: Table 18-33 Surface Infrastructure
Page 229 and 230: Table 18-36 Indirect Cost Estimate
Page 231 and 232: Table 18-37 Contingency Allowance A
Page 233 and 234: Operating Cost Exclusions The opera
Page 235 and 236: Table 18-40 Underground Mine Cost S
Page 237 and 238: Table 18-41 Mine Cost Details Avalo
Page 239 and 240: Thor Lake Surface The Thor Lake sur
Page 241 and 242: Table 18-45 Sales and Marketing Cos
Page 243 and 244: Table 18-47 Rail Car Load Limits Av
Page 245 and 246: there will be no overhauls in the i
Page 247 and 248: Other supplies and freight will be
Page 249 and 250: Table 18-55 Hydrometallurgical Plan
Page 251 and 252: Table 18-56 Cash Flow Summary Techn
Page 253 and 254: The sensitivity of the base case 8%
Page 255 and 256: 19. INTERPRETATION AND CONCLUSIONS
Page 257 and 258: • The Mineral Reserves, which hav
Page 259 and 260: 20. RECOMMENDATIONS The authors of
Page 261: 21. REFERENCES BCC Research (2009):
Page 265 and 266: Wardrop Engineering Inc. (2009): Th
Page 267 and 268: 23. CERTIFICATES OF QUALIFIED PERSO
Page 269 and 270: CERTIFICATE OF QUALIFIED PERSON I,
Page 271 and 272: CERTIFICATE OF QUALIFIED PERSON I,
Page 273 and 274: Section 416000 Section 416100 Secti
Page 279 and 280: Technical Report 43-101 - March 13,
Page 289: Technical Report 43-101 - March 13,
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