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

(Eds.). Lithoprobe Trans-Hudson Orogen Transect Report 48, Lithoprobe Secretariat, University of British Columbia, pp. 190–197. Ansdell, K.M., Corrigan, D., Stern, R., Maxeiner, R., 1999. Shrimp U–Pb geochronology of complex zircons from Reindeer Lake Saskatchewan: implications for timing of sedimentation and metamorphism in the northwestern Trans-Hudson Orogen. Geological Association of Canada. Abstract 24, 3–4. Ansdell, K.M., 2005. Tectonic evolution of the Manitoba-Saskatchewan segment of the Paleoproterozoic Trans-Hudson Orogen, Canada. Canadian Journal of Earth Sciences 42, 741-759. Ashton, K. E. and Card, C. D., 1998. Rae northeast: a reconnaissance of the Rae province northeast of Lake Athabasca. Saskatchewan Geological Survey. Miscellaneous Report 98-4, 3–16. Ashton, K. E., Kraus, J., Hartlaub, R. P., Morelli, R., 2000. Uranium City revisited: a new look at the rocks of the Beaverlodge Mining Camp. Saskatchewan Geological Survey. Miscellaneous Report 2000-4, 2 3–15. Ashton, K. E., Boivin, D., Heggie, G., 2001. Geology of the southern Black Bay Belt, west of Uranium City, Rae province. Saskatchewan Geological Survey, Miscellaneous Report 2001-4, 50–63. Ashton, K.E., Hartlaub, R.P., Heaman, L.M., Morelli, R., Bethune, K.M., Hunter, R.C., 2004. Paleoproterozoic sedimentary successions of the southern Rae Province: Ages, origins and correlations: Geological Association Canada/Mineralogy Association Canada, Jt. Annual Meeting., St. Catharines, Abstract. V., CD-ROM, p. 434. Ashton, K.E. and Hartlaub, R.P., 2008. Geological compilation of the Uranium City area. Saskatchewan Ministry of Energy and Resources, Open File 2008-5, set of four 1:50 000- scale maps. Ashton, K.E., Hartlaub, R.P., Heaman, L.M., Morelli, R.M., Card, C.D., Bethune, K., Hunter. R.C., 2009a. Post-Taltson sedimentary and intrusive history of the southern Rae province along the northern margin of the Athabasca Basin, Western Canadian shield. Precambrian Research 175, 16-34. Ashton, K.E., Rayner, N.M., Bethune, K.M., 2009b. Meso- and Neoarchean Granitic Magmatism, Paleoproterozoic (2.37 Ga and 1.93 Ga) Metamorphism and 2.17 Ga Provenance Ages in a Murmac Bay Group Pelite; U-Pb SHRIMP Ages from the Uranium City Area. In Summary of Investigations, 2009. v. 2, Saskatchewan Geological Survey, Saskatchewan Ministry of Energy and Resources, Miscellaneous Report, 2009-4,2, Paper A-5, 9p. 213
Ashton, K.E., 2010. The Gunnar Mine: an episyenite-hosted, granite-related uranium deposit in the Beaverlodge uranium district; in Summary of Investigations 2010 Volume 2,. Saskatchewan Geological Survey, Saskatchewan Ministry of Energy and Resources, Miscellaneous Report, 2010-4,2, Paper A-4, 21p. Ayres, D.E. and Eadington P.J., 1975. Uranium Mineralization in the South Alligator ValleyValley. CSIRO Division of Mineralogy, Sydney, Aust. Min. Deposita Berl.. 10, 27-41. Baldwin, J.A., Bowring, S.A., Williams, M.L., 2003. Petrological and geochronological constraints of high pressure, high temperature metamorphism in the Snowbird tectonic zone, Canada. Journal of Metamorphic Geology 21, 81–98. Barinek, M. F., Foster C. T., Chaplinsky P. P., 1999. Metamorphism and deformation near the N 1.4-Ga Mount Ethel pluton, Park Range, Colorado. Rocky Mountain Geology 34, 21-35. Beck, L.S., 1969. Uranium Deposits of the Athabasca Region, Saskatchewan. Saskatchewan Department Mineral Resources 126, 139p. Beecham, A.W., 1969. A structural study of the ABC fault, Beaverlodge, Saskatchewan. Unpublished M.Sc. thesis, Queen’s University, Kingston, Ontario, Canada 80p. Belevtsev, Y.N. and Koval, V.B., 1968. Genesis of U deposits associated with sodium metasomatism in crystalline rocks of shields: Geologicheskiy Zhurnal (Kiev.) v. 28, p. 4-17. Bell, K., 1981. A review of the geochronology of the Precambrian of Saskatchewan- some clues to uranium mineralization Mineralogical Magazine. Vol. 44, 371-378. Bergeron, J., 2001. Deformation of the Black Bay structure: Unpublished M.Sc. Thesis, University of Saskatchewan, Saskatoon, Saskatchewan. Bergeron, J., Stauffer, M., Ansdell, K., 2002. The Black Bay deformation zone, Rae province, Canadian Shield: Archean ductile deformation to Paleoproterozoic brittle slip; 900 my of reactivation. Geological Association Canada – Mineralogy Association Canada, Program with Abstract, 27, 8. Berman, R.G., Sanborn-Barrie, M., Stern, R.A., Carson, C., 2005. Tectono-metamorphism at ca. 2.35 and 1.85 Ga in the Rae domain, western Churchill province, Nunavut, Canada: insights from structural, metamorphic and in situ geochronological analysis of the southwestern Committee Bay belt. Canadian Mineralogy 43, 409– 442. 214
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
Page 181 and 182: Sample I.D SiO 2 CaO FeO ThO 2 MnO
Page 183 and 184: 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: REFERENCES Adams, J., 1989. Postgla
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 and 282: Sample ID. Deposit UO 2 SiO 2 CaO F
Page 283 and 284:
Sample ID. Deposit UO 2 SiO 2 CaO F
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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
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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