- Page 1 and 2: FLUID EVOLUTION AND STRUCTURAL CONT
- Page 3 and 4: Abstract Uranium deposits associate
- Page 5 and 6: Co-Authorship This thesis and the m
- Page 7 and 8: Sarah Rice and Jonathan Cloutier, a
- Page 9 and 10: TABLE OF CONTENTS Abstract………
- Page 11: 2.5.2. Temporal relationships of fa
- Page 15 and 16: List of Figures Figure 1.1. General
- Page 17 and 18: Figure 4.16. Distribution of 207 Pb
- Page 19 and 20: Table 4.4. Isotopic data of the U-P
- Page 21 and 22: processes by which these deposits f
- Page 23 and 24: Figure 1.1. Generalized geological
- Page 25 and 26: which is the equivalent of the Mill
- Page 27 and 28: dolostone and carbonaceous shale (L
- Page 29 and 30: Mineral Field (Figure 1.2). Many de
- Page 31 and 32: 2005). U mineralization is controll
- Page 33 and 34: Figure 1.4. Schematic representatio
- Page 35 and 36: In particular, the key issues to be
- Page 37 and 38: genetic model for the U mineralizat
- Page 39 and 40: fourth and most significant uranium
- Page 41 and 42: The Beaverlodge area is part of the
- Page 43 and 44: 1998; Hartlaub and Ashton, 1998). R
- Page 45 and 46: (D 1 ) produced a regional migmatit
- Page 47 and 48: These previous age models do not ta
- Page 49 and 50: the age when the concentrations of
- Page 51 and 52: Figure 2.3. A: Detailed geologic ma
- Page 53 and 54: hornblende-feldspar gneiss showing
- Page 55 and 56: east-west striking en-échelon quar
- Page 57 and 58: and broken Kfs 1 and Qtz 1 embedded
- Page 59 and 60: A Meters LEGEND B Figure 2.6. A: De
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Figure 2.7. Microphotograph of vari
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eplaces Kfs 1 feldspars (Fig. 2.7A)
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the Qtz 1 quartz dissolution result
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Figure 2.9. Microphotograph of typi
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uraninite (Fig. 2.10). The errors o
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Figure 2.10. Backscattered Electron
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post-mineralization alteration duri
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Post-mineralization alteration even
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Volcanic-type ±U 5 (Sample 6139, G
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6134 pt8a 2 Gunnar 82.92 2.92 5.30
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Regression to zero content of the s
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faults (Fig. 2.13C). The breccias w
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Figure 2.13. Schematic cross-sectio
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Mylonites were then reactivated at
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and thrusting during the 1.94-1.92
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Beaverlodge area (Morelli et al., 2
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dikes (Ernst and Buchan, 2001b) and
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Figure 2.15: Distribution of 207 Pb
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CHAPTER 3 GENESIS OF MULTIFARIOUS U
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eccia-type. The other styles of min
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The basement consist of Neoarchean
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of essentially unmetamorphosed arko
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WDX X-ray spectrometers at Carleton
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3.4. Results 3.4.1. Paragenesis of
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are derived from their chlorite cry
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Figure 3.4. Photomicrographs of typ
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3.4J). Py 6 Pyrite and Cpy 5 chalco
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mineralization varies from 25.70 to
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6137APt71 60.67 13.73 4.59 6.48 0.0
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Fig. 3.6A). The Ca may result from
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Sample ID 1 ± 2 ± 3.a ± 4 ± 5.a
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Stable isotopic O and C composition
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Sample ID Deposit Mineral Mineral v
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equilibrium with a fluid having δ
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Syn-ore Chl 8 chlorite sampled from
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Figure 3.9. Binary diagrams showing
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Figure 3.10. Chondrite-normalized R
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Retrograde metamorphism Early vein
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contents in syn-ore Chl 4 chlorite
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decompression and hydration reactio
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mineralizations, which upgraded the
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metamorphic origin of the main U 4
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y the abundance of Ap 1 apatite and
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of late fluid events that have affe
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CHAPTER 4 FLUID EVOLUTION AND GENES
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1990, 1991; Wyborn et al., 1990). H
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stable isotope geochemistry, U-Pb g
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coincident with the initiation of s
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plasma mass spectrometry (LA-HR-ICP
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The Coronation Hill deposit occupie
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arsenides, nickel selenide and copp
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No corrections were made to the 238
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which was interpreted as being asso
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porphyry and coated by Chl 1 formin
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Mineralized breccias showing quartz
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SOUTH ALLIGATOR RIVER GROUP EL SHER
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A Carbonaceous Shale B Src 1 Qtz 1
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A Granite Qtz 0 fragments Qtz 0 B M
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chemical composition as a result of
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Sample I.D SiO 2 CaO FeO ThO 2 MnO
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site occupancy (Cathelineau, 1988).
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Mineral values Temperature Fluid va
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Corrected ratios Apparent ages ( ±
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G H Figure 4.12. U-Pb concordia dia
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Figure 4.13. Pb-Pb isochron diagram
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and 4.12B), and to 207 Pb/ 206 Pb a
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160 o C at Coronation Hill. The tem
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Figure 4.15. Conceptual genetic mod
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of the Koolpin Formation, while dep
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at ca. 1820 Ma, approximately 40 My
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culminating with the formation of R
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deposits is related to fluids deriv
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CHAPTER 5 GENERAL DISCUSSION 5.1. I
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ed-bed strata and associated volcan
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character of the fluid that formed
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5.2.1.2. Metamorphic-related uraniu
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during brecciation or reduction as
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ca. 1820 Ma that triggered reactiva
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Plutons Event at 1.4 Ga (Barinek et
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Kolari-Kittila Province Kuusamo Pro
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The uranium deposits in various pro
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Fig. 5.6. Distribution of the Rorai
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Roraima Basin, similar to what is o
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etween ca. 2.3 Ga and 1.9 Ga. Later
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REFERENCES Adams, J., 1989. Postgla
- Page 233 and 234:
Ashton, K.E., 2010. The Gunnar Mine
- Page 235 and 236:
Bowles, J.F.W., 1990. Age dating of
- Page 237 and 238:
Cuney, M.L., 2005. World-class unco
- Page 239 and 240:
deposits in the Athabasca Basin, Sa
- Page 241 and 242:
Hartlaub, R.P., Heaman, L.M., Chack
- Page 243 and 244:
Saskatchewan Geological Survey, Sas
- Page 245 and 246:
Kyser, K., and Cuney, M., 2008. Geo
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two-sided oblique-slip collisional
- Page 249 and 250:
Creek Geosyncline: in ‘The minera
- Page 251 and 252:
Piper, J.D.A., 2004. Discussion on
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99.Sheppard SMF and Gilg HA 1996. S
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Proceedings Darwin Conference 1984
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Wingate, M.T.D, Pisarevsky SA, Evan
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Sample Deposit 207 Pb/ 206 Pb ±2σ
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Sample Deposit 207 Pb/ 206 Pb ±2σ
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Sample Deposit 207 Pb/ 206 Pb ±2σ
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APPENDIX B REE contents of various
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Sample Y Zr Cs Ba Th La Ce Pr Nd Sm
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Sample ΣREE TLREE THREE LREE/HREE
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SAMPLE ID. SiO 2 TiO 2 AL 2O 3 CR 2
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SAMPLE ID. SiO 2 TiO 2 AL 2O 3 CR 2
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APPENDIX E Electron microprobe data
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SAMPLE Si 4+ AL 4+ Total AL 6+ Ti 4
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SAMPLE Si 4+ AL 4+ Total AL 6+ Ti 4
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Sample ID. Deposit UO 2 SiO 2 CaO F
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Sample ID. Deposit UO 2 SiO 2 CaO F
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Corrected ratios Apparent ages ( ±
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Corrected ratios Apparent ages ( ±
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Sample ID. Al 2O 3 CaO FeO K2O MgO
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Sample ID. Al 2O 3 CaO FeO K2O MgO
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250 85 330 40 145 70 25 65 30 30 27
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Mineralized veins Quartz veins 276