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

Cinelu, S. and Cuney, M., 2006, Sodic metasomatism and U–Zr mineralization: A model based on the Kurupung batholith (Guyana): Abstract, Geochimica et Cosmochimica Acta, v. 70, p. 103. Clayton, R.N., and Mayeda, T.K., 1963. The use of bromine pentafluoride in the extraction of oygen from oxides and silicates for isotopic analysis: Geochimica et Cosmochimica Acta, v. 27, p. 43–52. Clendenin, C.W., Charlesworth E.G., Maske S., 1988. Tectonic style and mechanism of Early Proterozoic successor basin development, southern Africa. Tectonophysics 156, 275-291. Cloutier J, Kyser K, Olivo G.R, Alexandre P., Halaburda J., 2009. The Millennium Uranium Deposit, Athabasca Basin, Saskatchewan, Canada: An Atypical Basement- Hosted Unconformity-Related Uranium Deposit: Economic Geology, 104, 815-840. Cocks, L.R.M. and Torsvik, T.H., 2002. Earth Geography from 500 to 400 million years ago: a faunal and palaeomagnetic review. Journal Geological Society London 159, 631-644. Collins, C.B., Farquhar, R.M. and Russel, R.D., 1954. Isotopic constitution of radiogenic leads and the measurements of geological time. Geological Society America 65, 1-22. Condon M.A and Walpole B.P, 1955. Sedimentary environments as a control of uranium mineralisation in the Katherine– Darwin region, Northern Territory. Bureau of Mineral Resources, Australia, Report 24. Connors K.A and Page R.W., 1995. Relationships between magmatism, metamorphism and deformation in the western Mount Isa inlier, Australia. Precambrian Res 71:131– 153 Cooper, J.A., 1973. On the age of uranium mineralization at Nabarlek, N. T., Australia. J. Geol. Soc. Australia 19, 483 Corrigan, D., Pehrsson, S., Wodicka, N., Kemp, E., 2009. The Paleoproterozoic Trans- Hudson Orogen: a prototype of modern accretionary processes. Journal Geological Society of London 327, 457-479. Crick, I.H, Muir M.D, Needham R.S, Roarty M.J., 1980. The Geology and Mineralization of the South Alligator Valley Mineral Field. In J. Ferguson and A. Goleby, Eds., Uranium in the Pine Creek Geosyncline, p. 273–285. Proceedings of the International Atomic Energy Agency, Vienna 217
Cuney, M.L., 2005. World-class unconformity-related uranium deposits: key factors for their genesis. In: Mao Jingwen & Bierlein FP eds., Mineral Deposit Research: Meeting the Global Challenge. Proceedings of the Eighth Biennial SGA Meeting 2005, Beijing, August 18–21. Cuney, M. and Kyser, K., 2008. Recent and not-so-recent developments in U deposits and implications for exploration: Mineralogical Association of Canada, Short Course Series Volume 39, 257 p. Cuney, M., 2010. Evolution of Uranium Fractionation Processes through Time: Driving the Secular Variation of Uranium Deposit Types: Economic Geology, v. 105, p. 553- 569. Dahlkamp, F.J., 1978. Geologic appraisal of the Key Lake U-Ni deposits, northern Saskatchewan: Economic Geology, v. 73, p. 1430-1449. Dalziel, I.W.D., 1991. Pacific margins of Laurentia and East Antarctica–Australia as a conjugate rift pair: Evidence and implications for an Eocambrian supercontinent: Geology, v. 19, 598–601. DeBaar, H.J.W., 1991. On cerium anomalies of the Saragasso Sea: Geochimica et Cosmochimica Acta, v. 55, p, 2981-2983. Deer, WA, Howie RA, Zussman J 1992. An introduction to the rock-forming minerals: London, Longman, 696. Dieng, S., Kyser, K., Godin, L., 2011. Tectonic setting, Fluid History and Genesis of Uranium Mineralization in the Beaverlodge area, Saskatchewan, Canada: Mineralogical Association of Canada, the Society of Economic Geologists and the Society for Geology Applied to Mineral Deposits (GAC- MAC), May 25-27, 2011 Ottawa. Du Letian, 1986. Granite-type U deposits of China. In: H. Fuchs: Vein Type U Deposits: International Atomic Energy Agency, IAEA-TECDOC, v. 361, p. 377-393. Dudar, J. S., 1960. The geology and mineralogy of the Verna uranium deposit, Beaverlodge, Saskatchewan <strong>University</strong> of Michigan. Unpublished M.Sc thesis, 312 pages. Dudás, F.Ő., Davidson, A., Bethune, K.M., 1994. Age of the Sudbury diabase dikes and their metamorphism in the Grenville province. Radiogenic age and isotopic studies. Geological Survey of Canada, Current Research 1994-F, 97-106. Eisele, J. and Isachsen, C.E., 2001. Crustal growth in southern Arizona: U-Pb geochronologic and Sm-Nd isotopic evidence for addition of the 218
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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).
Page 185 and 186: Mineral values Temperature Fluid va
Page 187 and 188: Corrected ratios Apparent ages ( ±
Page 189 and 190: 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: Bowles, J.F.W., 1990. Age dating of
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 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 ( ±
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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
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