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

Hills, J.H and Richards J.R., 1972. The age of uranium mineralization in northern Australia Search; 392396 Hills, J.H. and Richards J.R., 1976. Pitchblende and galena ages in the Alligator Rivers region, Northern Territory, Australia Mineralium Deposita, 11, 133–154 Hoeve, J., 1982, Perspective on U mineralization at Beaverlodge: Saskatchewan Research Council, Publication. No. G-745-1-E-82. Hoeve, J., and Quirt, D., 1984. U mineralization and host rock alteration in relation to clay mineral diagenesis and evolution of the Middle-Proterozoic Athabasca basin, Saskatchewan Canada: Saskatchewan Research Council, Publication, R-855-2-B, 190 p. Hoffman, P.F., 1987. Continental transform tectonics: Great Slave Lake shear zone (ca. 1.9 Ga), northwest Canada. Geology 15, 785-788. Hoffman, P.F., 1988. United plates of America, the birth of a craton: early Proterozoic assembly and growth of Laurentia. Annual Review of Earth and Planetary Sciences 16, 543–603. Hoffman, P.F., 1989. Precambrian geology and tectonic history of North America, in: The Geology of North America: An Overview (eds. A.W. Bally and A.R. Palmer) Geological Society of America, Boulder pp. 447-511. Hoffman, P.F., 1990. Subdivision of the Churchill province and extent of the Trans- Hudson Orogen, in: The Early Proterozoic Trans-Hudson Orogen of North America. Edited by J.F. Lewry and M.R. Stauffer. Geology Association of Canada, Special Paper, 37, 15-39. Hoffman, P.F., 1997. Tectonic genealogy of North America, in: van der Pluijm, B,A. and Marshak, S., eds., Earth structure: An introduction to structural geology and tectonics: New York, McGraw-Hill, pp. 459–464. Hou, G., Santosh, M., Qian, X., Lister, G.S., Li, J., 2008. Configuration of the late Paleoproterozoic supercontinent Columbia: insights from radiating mafic dike swarms. Gondwana Research 14, 395–409. Hu, G.X., Clayton R.N., 2003. Oxygen isotope salt effects at high pressure and high temperature and the calibration of oxygen isotope geothermometry: Geochimica et Cosmochimica Acta v. 67, p. 3227-3246. Hunter, R.C., Bethune, K.M., Ashton, K.E., 2003. Stratigraphic and structural investigations of the Paleoproterozoic Thluicho Lake Group, central Zemlak Domain (Uranium City Project). In: Summary of Investigations 2003, Volume 2, 223
Saskatchewan Geological Survey, Sask. Industry Resources, Misc. Rep. 2003- 4.2, CD-ROM, Paper A-2, p. 14. Hunter, R.C., Bethune, K.M., Yeo, G.M., Ashton, K.E., 2004. Investigations of the Thluicho Lake Group: A stratigraphic, structural and tectonic perspective (Uranium City Project). In: Summary of Investigations 2004, Volume 2, Saskatchewan Geological Survey, Sask. Industry Resources, Misc. Rep. 2004- 4.2, CD-ROM, Paper A-9, p. 14. Hynes, A., 1980. Carbonatization and mobility of Ti, Y, and Zr in Ascot Formation metabasalts, SE Quebec: Contrib. Miner. Petrol., v. 75, p. 79-87. Jagodzinski E.A., 1991. Stratigraphy of the Pul Pul Rhyolite, South Alligator Valley Mineral Field BMR Research Newsletter, 14, 4-5 Jagodzinski, E.A., 1992. A study of the felsic volcanic succession south-east of Coronation Hill: Palaevolcanology-geochemistry-geochronology Bureau of Mineral Resources, Geology and Geophysics, Record, 1992/9, 147 Jagodzinski, E.A., 1998. Shrimp U-Pb dating of ignimbrites in the Pul Pul Rhyolite, Northern Territory AGSO Research Newsletter, 28, 23–25 Jefferson, C.W., Thomas, D.J., Gandhi, S.S., Ramaekers, P., Delaney, G., Brisbin, D., Cutts, C., Portella, P., and Olson, R.A., 2007, Unconformity-associated uranium deposits of the Athabasca Basin, Saskatchewan and Alberta, in Jefferson, C.W. and Delaney, G., eds., EXTECH IV: Geology and uranium EXploration TECHnology of the Proterozoic Athabasca Basin, Saskatchewan and Alberta: Geological Survey of Canada, Bulletin 588, p. 23-67. Johns, R.W., 1970. The Athabasca U deposits: Western miner, Oct., p. 42-52 Johnston, J.D., 1984. Structural evolution of the Pine Creek inliers and mineralization therein PhD thesis, Monash <strong>University</strong>, Australia Joubin, F.R., 1955. Some economic U deposits in Canada. Precambrian Research , v. 28, no.1 p. 6-8 Kamo, S. L., Gower, C. F., Krogh, T. E., 1989. Birthdate for the Iapetus Ocean A precise U-Pb zircon and baddeleyite age for the Long Range dikes, southern Labrador: Geology, v. 17, p. 602–605. Karlstrom, K.E., Harlan, S.S., Williams, M.L., McLelland, J., Geissman, J.W. and Ahall, K.I., 1999. Refining Rodinia: Geologic evidence for the Australia–Western U.S. connection for the Proterozoic: GSA Today 9, no. 10, 1–7. 224
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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
Page 191 and 192: Figure 4.13. Pb-Pb isochron diagram
Page 193 and 194: and 4.12B), and to 207 Pb/ 206 Pb a
Page 195 and 196: 160 o C at Coronation Hill. The tem
Page 197 and 198: Figure 4.15. Conceptual genetic mod
Page 199 and 200: of the Koolpin Formation, while dep
Page 201 and 202: at ca. 1820 Ma, approximately 40 My
Page 203 and 204: culminating with the formation of R
Page 205 and 206: 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: Hartlaub, R.P., Heaman, L.M., Chack
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 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
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Mineralized veins Quartz veins 276
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