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

APPENDIX A Isotopic Data and Apparent Ages for Various generations of Uraninite from the Beaverlodge area Sample Deposit 207 Pb/ 206 Pb ±2σ 207 Pb/ 235 U ±2σ 206 Pb/ 238 U ±2σ R‡ 207 Pb/ 206 Pb ± 206 Pb/ 238 U ± 207 Pb/ 235 U ± Disc‡ Cataclasite-type uraninite 6122-Cat_6b Ace Fay 0.125 0.002 4.36 0.47 0.26 0.01 0.22 2023 24 1493 690 1705 90 26 6122-Cat_7b Ace Fay 0.1020 0.0004 2.84 0.18 0.21 0.03 1.00 1660 8 1223 510 1366 46 26 6122-Cat_11c Ace Fay 0.102 0.001 3.47 0.58 0.23 0.04 0.30 1668 20 1338 187 1521 132 20 6122-Cat_14b Ace Fay 0.112 0.003 3.89 0.53 0.25 0.03 0.19 1829 50 1421 161 1612 110 22 6122-Cat_16b Ace Fay 0.1345 0.0003 4.29 0.34 0.25 0.03 0.90 2158 4 1463 419 1691 65 32 6122-Cat_22b Ace Fay 0.1335 0.002 4.12 0.32 0.26 0.04 0.24 2144 25 1491 194 1659 63 30 6122-Cat_24a Ace Fay 0.145 0.001 5.28 0.11 0.31 0.03 1.00 2293 17 1718 298 1866 18 25 6122-Cat_24c Ace Fay 0.117 0.003 4.30 0.11 0.26 0.02 0.86 1903 46 1468 391 1693 216 23 6122-Cat_26b Ace Fay 0.128 0.002 3.42 0.84 0.22 0.03 0.62 2066 29 1305 366 1510 195 37 6122-Cat_28a Ace Fay 0.134 0.003 4.49 0.10 0.27 0.02 0.05 2155 37 1522 364 1729 168 29 6122-Cat_29b Ace Fay 0.132 0.002 3.03 0.45 0.21 0.03 0.78 2126 26 1237 523 1415 115 42 Early tensional vein-type uraninite 6122BV_Cat_9c Ace Fay 0.085 0.002 3.22 0.68 0.24 0.07 0.66 1310 49 1396 373 1461 166 -7 6122BV_Cat_11a Ace Fay 0.094 0.002 3.2 0.6 0.23 0.08 0.63 1505 43 1360 405 1456 144 10 6122BV_Cat_14d Ace Fay 0.089 0.000 4.1 0.5 0.31 0.02 0.22 1399 5 1753 117 1655 101 -25 6122BV_Cat_16d Ace Fay 0.113 0.002 3.37 0.54 0.24 0.05 0.01 1851 28 1399 270 1498 125 24 6122BV_Cat_16f Ace Fay 0.098 0.002 3.2 0.4 0.24 0.05 0.21 1586 44 1409 274 1467 108 11 6122BV_Cat_17b Ace Fay 0.135 0.003 3.7 0.6 0.27 0.05 0.92 2158 39 1525 267 1579 134 29 6122BV_Cat_21c Ace Fay 0.097 0.003 3.3 0.5 0.24 0.08 0.15 1573 67 1364 393 1481 117 13 6122BV_Cat_22c Ace Fay 0.113 0.003 3.54 0.31 0.26 0.04 0.08 1855 55 1510 183 1536 70 19 6122BV_Cat_22d Ace Fay 0.103 0.001 3.1 0.2 0.23 0.04 1.00 1682 11 1328 208 1430 41 21 6122BV_Cat_22e Ace Fay 0.096 0.002 3.79 0.24 0.28 0.07 0.11 1540 35 1582 333 1590 51 -3 6122BV_Cat_25a Ace Fay 0.145 0.002 3.49 0.36 0.25 0.05 0.62 2289 20 1448 234 1525 82 37 6122BV_Cat_25d Ace Fay 0.114 0.003 3.5 0.6 0.26 0.05 0.20 1864 45 1469 232 1536 128 21 6122BV_Cat_27e Ace Fay 0.094 0.001 3.77 0.23 0.29 0.10 0.53 1503 28 1628 483 1587 49 -8 6122BV_Cat_29e Ace Fay 0.103 0.002 4.0 1.0 0.30 0.09 0.70 1682 44 1688 433 1634 198 0 6122a Ace Fay 0.099 0.001 2.25 0.23 0.17 0.02 1.00 1599 12 987 91 1197 71 38 6122b Ace Fay 0.088 0.003 1.40 0.14 0.11 0.01 0.98 1387 58 701 50 889 59 49 239
Sample Deposit 207 Pb/ 206 Pb ±2σ 207 Pb/ 235 U ±2σ 206 Pb/ 238 U ±2σ R‡ 207 Pb/ 206 Pb ± 206 Pb/ 238 U ± 207 Pb/ 235 U ± Disc‡ Gunnar type-uraninite 6037b_1 Gunnar 0.0571 0.0007 0.24 0.02 0.030 0.002 0.99 497 26 190 14 215 15 62 6037b_2 Gunnar 0.0530 0.0003 0.28 0.01 0.039 0.001 0.98 329 15 246 8 254 7 25 6037b_3 Gunnar 0.0533 0.0006 0.33 0.02 0.045 0.002 0.98 341 25 283 13 289 12 17 6037b_4 Gunnar 0.055 0.001 0.29 0.02 0.039 0.001 1.00 394 49 246 9 261 13 38 6037b_5 Gunnar 0.0531 0.0006 0.23 0.01 0.031 0.001 0.97 335 28 197 9 208 9 41 6037b_6 Gunnar 0.053 0.001 0.17 0.01 0.024 0.001 0.93 326 42 151 7 161 7 54 6037b_7 Gunnar 0.054 0.002 0.17 0.02 0.022 0.002 0.99 373 93 141 13 156 19 62 6037b_8 Gunnar 0.053 0.003 0.16 0.04 0.022 0.004 1.00 324 138 141 22 153 33 57 6037b_9 Gunnar 0.054 0.001 0.37 0.32 0.050 0.042 1.00 362 62 315 255 323 238 13 6037b_10 Gunnar 0.051 0.003 0.11 0.02 0.016 0.002 0.95 238 130 102 12 109 15 57 6134 Gunnar 0.084 0.005 0.09 0.01 0.0075 0.0004 0.77 1290 126 48 3 85 8 96 6134e Gunnar 0.077 0.003 0.44 0.10 0.0419 0.0098 0.99 1122 87 264 60 373 73 76 6134g Gunnar 0.074 0.003 0.015 0.001 0.00151 0.00002 0.36 1037 87 10 0 15 1 99 6134j Gunnar 0.0866 0.0004 0.33 0.01 0.027 0.001 0.99 1352 9 175 8 288 11 87 6134k Gunnar 0.0867 0.0004 0.29 0.01 0.0242 0.0007 1.00 1353 9 154 5 258 8 89 6134l Gunnar 0.0866 0.0005 0.34 0.04 0.028 0.003 1.00 1351 11 179 21 293 31 87 6134m Gunnar 0.0875 0.0002 0.31 0.01 0.0258 0.0009 0.05 1372 4 164 5 274 8 88 GN-42 Gunnar 0.0787 0.0007 0.34 0.04 0.032 0.004 1.00 1164 18 201 23 300 30 83 GN-42_1 Gunnar 0.0786 0.0012 0.35 0.01 0.032 0.001 0.93 1162 31 204 8 304 11 82 GN-42_2 Gunnar 0.0791 0.0009 0.32 0.02 0.029 0.002 0.99 1174 23 186 14 281 17 84 GN-42_3 Gunnar 0.084 0.001 0.47 0.03 0.041 0.003 0.99 1284 22 256 17 389 21 80 GN-42_4 Gunnar 0.081 0.001 0.38 0.02 0.034 0.002 0.99 1222 25 217 15 329 17 82 GN-42_6 Gunnar 0.0788 0.0009 0.34 0.03 0.031 0.002 0.99 1166 23 196 15 294 19 83 GN-42_8 Gunnar 0.0830 0.0007 0.44 0.04 0.038 0.004 1.00 1270 16 243 22 370 29 81 GN-42_9 Gunnar 0.0807 0.0015 0.37 0.03 0.033 0.002 0.97 1213 38 209 14 317 21 83 GN-42_10 Gunnar 0.0822 0.0008 0.40 0.02 0.035 0.002 0.98 1250 18 223 11 341 15 82 GN-42_11 Gunnar 0.0796 0.0009 0.36 0.02 0.033 0.002 0.99 1187 22 208 14 312 19 82 GN-42_12 Gunnar 0.081 0.002 0.39 0.03 0.035 0.003 0.96 1221 48 224 17 338 24 82 VR69190-2 Gunnar 0.0652 0.0005 0.653 0.049 0.073 0.005 0.99 782 18 452 32 510 30 42 VR69190-3 Gunnar 0.0655 0.0005 0.678 0.042 0.075 0.005 0.99 790 16 467 28 525 26 41 VR69190-4 Gunnar 0.0649 0.0006 0.557 0.042 0.062 0.005 0.99 772 20 389 29 449 28 50 VR69190-5 Gunnar 0.0651 0.0009 0.566 0.049 0.063 0.006 0.99 777 29 395 35 456 32 49 VR69190-7 Gunnar 0.0657 0.0005 0.683 0.043 0.075 0.005 0.99 796 15 469 28 528 26 41 VR69190-8 Gunnar 0.0656 0.0008 0.674 0.046 0.074 0.005 0.99 795 25 463 31 523 28 42 VR69190-9 Gunnar 0.0655 0.0006 0.733 0.050 0.081 0.006 0.99 791 19 503 34 559 29 36 240
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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
Page 207 and 208: CHAPTER 5 GENERAL DISCUSSION 5.1. I
Page 209 and 210: ed-bed strata and associated volcan
Page 211 and 212: character of the fluid that formed
Page 213 and 214: 5.2.1.2. Metamorphic-related uraniu
Page 215 and 216: during brecciation or reduction as
Page 217 and 218: ca. 1820 Ma that triggered reactiva
Page 219 and 220: Plutons Event at 1.4 Ga (Barinek et
Page 221 and 222: Kolari-Kittila Province Kuusamo Pro
Page 223 and 224: The uranium deposits in various pro
Page 225 and 226: 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: Wingate, M.T.D, Pisarevsky SA, Evan
Page 261 and 262: Sample Deposit 207 Pb/ 206 Pb ±2σ
Page 263 and 264: 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 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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