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$Fayek & Kyser 2000 uraninite fractionations.pdf - Queen's University$

SAMPLE Si 4+ AL 4+ Total AL 6+ Ti 4+ Cr 3+ Fe 2+ Mn 2+ Mg 2+ Total Ca 2+ Na + K + Total F - CL - H + Total O 2- ∑Cat ∑ions CL29-7 2.74 1.26 4.00 2.56 0.00 0.00 2.32 0.03 2.34 7.24 0.00 0.01 0.00 0.01 0.04 0.00 7.96 8.00 17.96 9.99 18.00 344 CL29-8 2.81 1.19 4.00 2.45 0.00 0.00 2.25 0.02 2.43 7.15 0.00 0.01 0.00 0.01 0.07 0.00 7.93 8.00 17.93 9.97 18.00 322 CL29-2 2.71 1.29 4.00 2.57 0.00 0.00 2.33 0.02 2.36 7.29 0.00 0.01 0.00 0.01 0.03 0.00 7.97 8.00 17.97 10.01 18.00 354 CL29-4 2.77 1.23 4.00 2.48 0.00 0.00 2.36 0.02 2.34 7.21 0.00 0.01 0.01 0.01 0.04 - 7.94 7.96 17.94 10.00 18.00 334 CL29-5 2.77 1.23 4.00 2.46 0.00 0.00 2.34 0.02 2.40 7.22 0.00 0.00 0.01 0.02 0.06 0.02 0.00 7.94 8.00 17.94 10.01 18.00 335 AVG 2.81 1.19 4.00 2.39 0.01 0.00 2.31 0.02 2.43 7.16 0.00 0.01 0.00 0.01 0.06 0.00 7.94 8.00 17.94 9.99 18.00 338 16 Variably altered chlorite associated with the volcanic type uranium mineralization CL57-1 3.11 0.90 4.00 1.93 0.00 0.00 1.96 0.03 2.88 6.80 0.01 0.01 0.00 0.03 0.00 0.00 8.00 8.00 18.00 9.93 18.00 226 CL57-2 3.04 0.96 4.00 1.96 0.00 0.01 2.14 0.03 2.79 6.92 0.01 0.01 0.00 0.02 0.00 0.00 8.00 8.00 18.00 9.98 18.00 248 CL57-3 3.05 0.95 4.00 1.96 0.00 0.00 2.07 0.02 2.84 6.90 0.02 0.00 0.00 0.03 0.00 0.00 8.00 8.00 18.00 9.97 18.00 244 CL57-5 3.15 0.85 4.00 1.84 0.00 0.00 1.95 0.03 2.95 6.76 0.02 0.01 0.00 0.03 0.00 0.00 8.00 8.00 18.00 9.94 18.00 212 CL57-6 3.19 0.82 4.00 1.88 0.00 0.01 1.78 0.02 2.97 6.66 0.02 0.01 0.00 0.03 0.00 0.00 8.00 8.00 18.00 9.88 18.00 200 CL57-7 3.11 0.89 4.00 1.89 0.00 0.01 2.00 0.02 2.90 6.81 0.01 0.02 0.00 0.03 0.00 0.00 8.00 8.00 18.00 9.95 18.00 224 CL29-6 3.03 0.97 4.00 2.04 0.01 0.00 2.39 0.02 2.45 6.91 0.01 0.01 0.00 0.01 0.07 0.00 7.94 8.00 17.94 9.95 18.00 251 CL29-9 3.10 0.90 4.00 2.11 0.00 0.00 2.21 0.02 2.38 6.72 0.00 0.01 0.00 0.02 0.12 0.00 7.88 8.00 17.88 9.84 18.00 227 AVG 3.10 0.90 4.00 1.95 0.00 0.00 2.06 0.02 2.77 6.81 0.01 0.01 0.00 0.02 0.02 0.00 7.98 8.00 17.98 9.93 18.00 229 25 6139-3 3.08 0.93 4.00 2.28 0.00 0.01 2.35 0.02 1.96 6.62 0.04 0.04 0.05 0.13 0.00 0.00 8.00 8.00 18.00 9.83 18.00 236 6139-4 3.27 0.73 4.00 2.31 0.00 0.00 2.14 0.02 1.70 6.17 0.03 0.05 0.16 0.23 0.00 0.00 8.00 8.00 18.00 9.67 18.00 173 6139-5 3.07 0.93 4.00 2.30 0.00 0.00 2.35 0.03 1.93 6.62 0.03 0.04 0.05 0.12 0.00 0.00 8.00 8.00 18.00 9.81 18.00 236 6139-6 3.18 0.82 4.00 2.27 0.00 0.00 2.27 0.01 1.85 6.40 0.03 0.03 0.09 0.16 0.00 0.00 8.00 8.00 18.00 9.75 18.00 201 AVR 3.27 0.73 4.00 2.29 0.00 0.00 2.12 0.02 1.75 6.18 0.03 0.04 0.15 0.22 0.00 0.00 8.00 8.00 18.00 9.68 18.00 212 32 ATHABASCA-TYPE URANIUM MINERALIZATION (Cl9) 3705-1 3.04 0.96 4.00 1.96 0.00 0.01 2.64 0.00 2.30 6.92 0.01 0.02 0.00 0.02 0.09 0.00 7.91 8.00 17.91 9.98 18.00 246 3705-2 3.18 0.82 4.00 1.95 0.00 0.01 2.45 0.00 2.22 6.65 0.01 0.01 0.00 0.02 0.09 0.00 7.91 8.00 17.91 9.84 18.00 203 3705-3 3.09 0.91 4.00 1.94 0.00 0.02 2.46 0.00 2.39 6.81 0.01 0.05 0.00 0.07 0.22 0.00 7.78 8.00 17.78 9.96 18.00 232 3705-4 3.08 0.92 4.00 2.01 0.00 0.02 2.18 0.00 2.60 6.81 0.01 0.00 0.00 0.02 0.12 0.00 7.88 8.00 17.88 9.90 18.00 234 3705-5 3.09 0.91 4.00 2.01 0.00 0.02 2.17 0.00 2.60 6.80 0.01 0.00 0.00 0.02 0.12 0.00 7.88 8.00 17.88 9.90 18.00 231 3705-7 3.15 0.85 4.00 1.89 0.00 0.02 2.01 0.00 2.81 6.74 0.01 0.00 0.00 0.01 0.16 0.00 7.85 8.00 17.85 9.89 18.00 211 3507_Pt1_Cl 3.03 0.97 4.00 1.99 0.00 0.02 2.46 0.00 2.44 6.91 0.01 0.00 0.00 0.01 0.11 0.02 7.88 8.00 17.88 9.96 18.00 250 3507_Pt2_Cl 3.03 0.97 4.00 1.96 0.00 0.01 2.37 0.00 2.59 6.94 0.01 0.00 0.00 0.01 0.11 0.02 7.87 8.00 17.87 9.99 18.00 249 3507_Pt3_Cl 3.04 0.96 4.00 1.99 0.00 0.01 2.49 0.00 2.41 6.90 0.01 0.01 0.00 0.02 0.14 0.02 7.84 8.00 17.84 9.96 18.00 247 3507_Pt4_Cl 3.03 0.97 4.00 2.00 0.00 0.01 2.36 0.00 2.56 6.93 0.00 0.01 0.00 0.01 0.17 0.02 7.82 8.00 17.82 9.97 18.00 251 AVG 3.08 0.92 4.00 1.97 0.00 0.01 2.36 0.00 2.49 6.84 0.01 0.01 0.00 0.02 0.13 0.01 7.86 8.00 17.86 9.94 18.00 235 24 LATE VEINS (Cl10) 6134_Pt2_Cl1 3.31 0.69 4.00 2.11 0.00 0.01 0.65 0.00 0.23 3.00 0.05 0.05 0.52 0.62 0.03 0.01 1.96 2.00 11.96 6.90 12.00 161 Temp ( o ) ± 259
SAMPLE Si 4+ AL 4+ Total AL 6+ Ti 4+ Cr 3+ Fe 2+ Mn 2+ Mg 2+ Total Ca 2+ Na + K + Total F - CL - H + Total O 2- ∑Cat ∑ions 6134_Pt2_Cl2 3.25 0.75 4.00 2.36 0.00 0.00 0.24 0.00 0.37 2.98 0.01 0.04 0.60 0.65 0.00 1.99 1.99 11.99 6.88 12.00 179 6134_Pt3_Cl1 3.38 0.62 4.00 2.27 0.00 0.00 0.24 0.00 0.21 2.72 0.02 0.03 0.68 0.73 0.03 0.01 1.97 2.00 11.97 6.84 12.00 137 6134_Pt4_Cl1 3.38 0.62 4.00 1.95 0.00 0.00 0.51 0.00 0.46 2.93 0.03 0.02 0.58 0.63 0.05 0.02 1.93 2.00 11.93 6.94 12.00 136 6134_Pt4_Cl2 3.47 0.53 4.00 1.86 0.01 0.00 0.63 0.00 0.26 2.76 0.06 0.03 0.57 0.65 0.07 0.00 1.93 2.00 11.93 6.89 12.00 108 AVG 3.36 0.64 4.00 2.11 0.00 0.00 0.45 0.00 0.31 2.88 0.03 0.03 0.59 0.66 0.04 0.41 1.95 2.39 11.96 6.89 12.00 144 Temp ( o ) ± 260
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FLUID EVOLUTION AND STRUCTURAL CONT
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Abstract Uranium deposits associate
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Co-Authorship This thesis and the m
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Sarah Rice and Jonathan Cloutier, a
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TABLE OF CONTENTS Abstract………
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2.5.2. Temporal relationships of fa
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4.5.3. Isotopic compositions of min
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List of Figures Figure 1.1. General
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Figure 4.16. Distribution of 207 Pb
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Table 4.4. Isotopic data of the U-P
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processes by which these deposits f
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Figure 1.1. Generalized geological
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which is the equivalent of the Mill
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dolostone and carbonaceous shale (L
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Mineral Field (Figure 1.2). Many de
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2005). U mineralization is controll
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Figure 1.4. Schematic representatio
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In particular, the key issues to be
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genetic model for the U mineralizat
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fourth and most significant uranium
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The Beaverlodge area is part of the
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1998; Hartlaub and Ashton, 1998). R
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(D 1 ) produced a regional migmatit
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These previous age models do not ta
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the age when the concentrations of
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Figure 2.3. A: Detailed geologic ma
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hornblende-feldspar gneiss showing
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east-west striking en-échelon quar
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and broken Kfs 1 and Qtz 1 embedded
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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
Page 227 and 228: Roraima Basin, similar to what is o
Page 229 and 230: etween ca. 2.3 Ga and 1.9 Ga. Later
Page 231 and 232: 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
Page 247 and 248: 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
Page 253 and 254: 99.Sheppard SMF and Gilg HA 1996. S
Page 255 and 256: Proceedings Darwin Conference 1984
Page 257 and 258: Wingate, M.T.D, Pisarevsky SA, Evan
Page 259 and 260: Sample Deposit 207 Pb/ 206 Pb ±2σ
Page 265 and 266: APPENDIX B REE contents of various
Page 267 and 268: Sample Y Zr Cs Ba Th La Ce Pr Nd Sm
Page 269 and 270: Sample ΣREE TLREE THREE LREE/HREE
Page 271 and 272: SAMPLE ID. SiO 2 TiO 2 AL 2O 3 CR 2
Page 273 and 274: SAMPLE ID. SiO 2 TiO 2 AL 2O 3 CR 2
Page 275 and 276: APPENDIX E Electron microprobe data
Page 277: SAMPLE Si 4+ AL 4+ Total AL 6+ Ti 4
Page 281 and 282: Sample ID. Deposit UO 2 SiO 2 CaO F
Page 283 and 284: Sample ID. Deposit UO 2 SiO 2 CaO F
Page 285 and 286: Corrected ratios Apparent ages ( ±
Page 287 and 288: Corrected ratios Apparent ages ( ±
Page 289 and 290: Sample ID. Al 2O 3 CaO FeO K2O MgO
Page 291 and 292: Sample ID. Al 2O 3 CaO FeO K2O MgO
Page 293 and 294: 250 85 330 40 145 70 25 65 30 30 27
Page 295 and 296: Mineralized veins Quartz veins 276
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