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

Sample ID. Deposit UO 2 SiO 2 CaO Fe 2O 3 TiO 2 Cr 2O 3 V 2O 5 PbO P 2O 5 K 2O ThO 2 SO 2 MnO Y 2O 3 Tb 2O 3 CuO Total Chemical Pb age (Ma) 6134 pt10 5 Gunnar 72.59 6.19 3.29 2.40 0.04 0.02 0.08 1.39 0.14 0.15 0.02 0.01 0.03 0.26 0.11 0.01 86.58 119 Breccia type-uraninite 5812 Pt1 1 Gunnar 75.59 0.50 4.51 0.62 0.46 0.03 0.18 12.07 0.02 0.04 0.03 0.01 0.42 0.45 0.08 0.05 94.92 991 5812 Pt6 2 Ace Fay 34.12 48.31 1.48 1.21 0.18 0.02 0.01 3.86 0.65 0.08 0.03 0.59 0.24 0.14 0.09 0.05 90.96 702 5812 Pt6 1 Ace Fay 74.88 0.54 4.43 0.44 0.44 0.01 0.16 15.88 0.02 0.03 0.02 0.01 0.22 0.15 0.04 0.00 97.16 1315 5812 Pt1 2 Ace Fay 76.71 0.98 6.43 0.90 0.61 0.03 0.21 6.89 0.01 0.03 0.04 0.06 0.70 0.60 0.00 0.01 94.18 557 5812 Pt8 1 Ace Fay 77.99 1.05 4.27 1.20 0.80 0.05 0.01 8.71 0.02 0.03 0.29 0.03 0.35 0.06 0.05 0.02 94.82 693 5812 Pt2 2 Ace Fay 75.02 2.40 4.63 1.28 1.74 0.01 0.14 10.07 0.05 0.06 0.03 0.73 0.67 0.31 0.11 0.03 97.15 832 Volcanic type-uraninite 6120B_pt4 2 Ace Fay 74.34 1.13 4.30 0.95 0.43 0.02 0.26 14.17 0.05 0.03 0.01 0.01 0.23 0.04 0.02 0.00 95.92 1183 6120B_pt3 1 Ace Fay 74.41 0.84 3.66 0.48 0.65 0.01 0.22 15.41 0.06 0.03 0.02 0.02 0.20 0.03 0.09 0.03 95.99 1285 6120B_pt3 2 Ace Fay 74.38 1.68 2.57 0.54 0.58 0.03 0.13 15.68 0.03 0.03 0.00 0.02 0.10 0.09 0.00 0.03 95.82 1307 6120B_pt2 2 Ace Fay 71.88 1.43 3.00 0.46 0.48 0.03 0.25 17.14 0.06 0.02 0.00 0.01 0.08 0.01 0.07 0.03 94.86 1479 6120B_pt1 2 Ace Fay 73.42 1.05 2.73 0.45 0.52 0.01 0.48 17.56 0.06 0.03 0.07 0.04 0.12 0.01 0.04 0.07 96.46 1484 6120B_pt3 3 Ace Fay 73.75 0.47 3.05 0.29 0.42 0.03 0.09 17.91 0.05 0.04 0.05 0.00 0.07 0.03 0.06 0.04 96.19 1506 6120B_pt5 2 Ace Fay 73.23 0.46 2.58 0.43 0.37 0.03 0.04 19.04 0.03 0.03 0.01 0.01 0.07 0.06 0.03 0.03 96.37 1613 6120B_pt6 1 Ace Fay 71.73 0.92 2.35 0.28 0.49 0.04 0.46 19.29 0.04 0.03 0.02 0.03 0.01 0.03 0.05 0.01 95.67 1668 6120B_pt3 4 Ace Fay 74.04 0.50 2.50 0.32 0.30 0.03 0.13 20.15 0.04 0.04 0.02 0.03 0.01 0.02 0.03 0.04 98.05 1689 6120B_pt5 1 Ace Fay 72.87 0.38 2.37 0.23 0.29 0.01 0.16 19.91 0.05 0.02 0.01 0.04 0.04 0.11 0.09 0.03 96.56 1695 6120B_pt4 1 Ace Fay 70.14 0.67 2.65 0.15 0.37 0.01 0.33 19.62 0.04 0.02 0.05 0.02 0.08 0.04 0.08 0.01 94.13 1735 6120B_pt4 1 Ace Fay 71.92 0.51 2.33 0.05 0.51 0.01 0.11 20.29 0.03 0.02 0.08 0.04 0.05 0.09 0.06 0.02 95.99 1750 Athabasca type-uraninite 3705 Pt4 5 Ace Fay 24.22 2.29 0.49 3.46 59.66 0.03 1.23 4.43 0.04 0.02 0.01 0.44 0.01 0.04 0.16 0.00 96.29 1135 3705 Pt3 2 Ace Fay 38.66 4.78 1.74 3.34 36.72 0.06 0.86 5.48 0.01 0.02 0.10 0.40 0.04 0.01 0.22 0.02 92.19 880 3705 Pt3 4 Ace Fay 39.64 6.95 1.09 4.31 36.08 0.04 0.62 3.14 0.30 0.04 0.07 0.00 0.02 0.02 0.07 0.06 92.29 492 3705 Pt4 2 Ace Fay 29.41 9.42 1.69 4.03 36.11 0.08 0.38 1.68 2.70 0.11 0.05 0.01 0.03 0.20 0.11 0.04 85.79 354 3705 Pt4 1 Ace Fay 48.08 10.87 2.67 3.29 16.60 0.00 0.33 5.69 0.84 0.13 0.15 0.86 0.04 0.44 0.20 0.07 89.96 735 263
Sample ID. Deposit UO 2 SiO 2 CaO Fe 2O 3 TiO 2 Cr 2O 3 V 2O 5 PbO P 2O 5 K 2O ThO 2 SO 2 MnO Y 2O 3 Tb 2O 3 CuO Total Chemical Pb age (Ma) 3705 Pt4 3 Ace Fay 28.39 8.87 2.09 6.23 44.41 0.02 0.62 2.17 0.18 0.10 0.02 0.01 0.04 0.03 0.26 0.00 93.18 473 3705 Pt2 7 Ace Fay 36.89 10.39 1.29 6.22 33.91 0.01 0.45 0.58 0.74 0.10 0.14 0.01 0.00 0.09 0.18 0.00 90.80 98 3705 Pt2 4 Ace Fay 34.12 11.57 1.16 5.91 33.49 0.01 0.32 0.71 0.77 0.11 0.10 0.01 0.01 0.06 0.10 0.04 88.37 130 3705 Pt4 7 Ace Fay 34.71 11.31 1.27 6.26 34.74 0.01 0.53 0.84 0.64 0.14 0.08 0.02 0.02 0.01 0.13 0.08 90.57 149 3705 Pt2 5 Ace Fay 35.07 11.45 1.29 6.67 36.99 0.01 0.57 0.76 0.61 0.08 0.04 0.00 0.06 0.04 0.15 0.02 93.68 135 3705 Pt4 6 Ace Fay 29.87 12.08 1.98 6.51 36.63 0.22 0.46 1.09 0.58 0.09 0.21 0.00 0.04 0.02 0.20 0.03 89.80 227 3705 Pt4 4 Ace Fay 41.88 16.19 0.63 3.07 28.28 0.01 0.97 0.78 0.30 0.01 0.14 0.00 0.02 0.08 0.12 0.05 92.38 116 3705 Pt2 6 Ace Fay 33.11 13.43 1.46 5.84 36.83 0.02 0.21 1.19 0.62 0.10 0.12 0.02 0.05 0.01 0.20 0.02 93.00 223 3705 Pt2 3 Ace Fay 39.04 16.30 0.64 3.39 28.73 0.07 1.15 0.74 0.30 0.02 0.04 0.01 0.02 0.06 0.10 0.03 90.50 117 3705 Pt3 1 Ace Fay 45.91 17.68 2.01 2.59 16.32 0.01 0.23 0.74 0.95 0.01 0.15 0.00 0.03 0.20 0.09 0.01 86.83 100 . 264
Page 1 and 2:
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
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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
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 and 278: SAMPLE Si 4+ AL 4+ Total AL 6+ Ti 4
Page 279 and 280: SAMPLE Si 4+ AL 4+ Total AL 6+ Ti 4
Page 281: 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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