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

Ramaekers, P., 1981. Hudsonian and Helikian basins of the Athabasca region, northern Saskatchewan, in: Campbell, F.H.A. (Ed.), Proterozoic Basins of Canada. Geological Survey of Canada, Paper 81-10, pp. 219-233. Ramsay, J G., 1967. Folding and fracturing of rocks. New York: McGraw Hill. 568 p. Rasmussen, B, Sheppard S, Fletcher I.R., 2006. Testing ore deposit models using in situ U- Pb geochronology of hydrothermal monazite: Paleoproterozoic gold mineralization in northern Australia Geology 34:77–80 Rees, M.I., 1992. History of the fluids associated with the Lode-Gold deposits, and complex U-PGE-Au vein-typedeposits, Goldfields Peninsula, northern Saskatchewan, Canada; unpubl. M.Sc. thesis, Univ. Saskatchewan, 209p. Riley, G.H, Binns R.A, Craven,S.J., 1980. Rb-Sr chronology of micas at Jabiluka, In: Ferguson, John, and Goleby, A B, eds, Uranium in the Pine Creek Geosyncline: Vienna, Int Atomic Energy Agency, 457-468 Rivers, T., 1997. Lithotectonic elements of the Grenville province: Review and tectonic implications. Precambrian Research 86, 117-154. Robinson, S.C., 1955. Mineralogy of Uranium Deposits, Goldfields, Saskatchewan. Canadian Geological Survey, Bulletin 31. Rogers, J.J.W. and Santosh, M., 2002. Configuration of Columbia, a Mesoproterozoic supercontinent: Gondwana Research 5, 5-22. Romberger, S.B., 1984. Mechanisms of Deposition of Gold in Low Temperature Hydrothermal Systems: Assoc Expl. Geochemists Annual Meeting, Reno, Nevada. Russel, R.D. and Ahren, L. D., 1957. Additional regularities among discordant Pb/U ages. Geochimica et Cosmochimica Acta 11, 213-218. Ruzicka, V.R., 1996. Unconformity-associated uranium, Chapter 7 in Eckstrand, O.R., Sinclair, W.D., and Thorpe, R.I., eds., Geology of Canadian Mineral Deposit Types: Geological Survey of Canada, Geology of Canada, v, 8, p. 197-210. Saltikoff, B., Puustinen, K. and Tontti, M., 2006. Metallogenic zones and metallic mineral deposits in Finland–Explanation to the Metallogenic Map of Finland. Geological Survey of Finland, Special paper 35, pp 66. Santos, J.O.S., Hartmann, L.A., Gaudette, H.E., Groves, D.I., McNaughton, N.J., and Fletcher, I.R., 2000. A new understanding of the provinces of the Amazon craton based on integration of field mapping and UPb and Sm-Nd geochronology: Gondwana Research, v. 3, p. 453–488. Science B.V., Amsterdam, 19– 233
99.Sheppard SMF and Gilg HA 1996. Stable isotope geochemistry of clay minerals: Clay Minerals, 31, 1-24 Santos, J.O.S., Potter, P.E., Reis, N.J., Hartmann, L.A., Fletcher, I.R., McNaughton, N.J., 2003. Age, source and regional stratigraphy of the Roraima Supergroup and Roraima-like outliers in northern South America based on U-Pb geochronology. Geological Society of America Bulletin 115 (3): 331–348. Sassano, G. P., 1972. The nature and origin of the uranium mineralization at the Fay Mine, Eldorado, Saskatchewan: Unpublished Ph.D. thesis, <strong>University</strong> of Alberta, Edmonton, Alberta, 416p. Sassano, G.P., Fritz P., Morton R.D., 1972. Paragenesis and isotopic composition of some gangue minerals from the uranium deposits of Eldorado, Saskatchewan. Canadian Journal of Earth Science 9, 141-157. Sassano, G.P., Baadsgaard, H., Burwash, R.A., 1974. Rb-Src age of the late kinematic phase of the Hudsonian Orogen in the Beaverlodge area, Saskatchewan: Canadian Journal of Earth Science 11, 643-649. Scott, B.P., 1978. The geology of an area east of Thluicho Lake, Saskatchewan (part of NTS area 74N-11). Saskatchewan Mineral Resources, Report 167, p. 51 (1:31680 scale map). Sener, A.K, Grainger C.J, Groves D.I., 2002. Epigenetic gold-platinum-group deposits: examples from Brazil and Australia Transactions of the Institution of Mining and Metallurgy: Section B 111: 65-73 Shergold, J.H. and Druce E.C., 1980. Upper Proterozoic and Lower Palaeozoic rocks of the Georgina Basin In Henderson, RA & Stephenson, PJ Editors.: The Geology and Geophysics of Northeastern Australia Geological Society of Australia, Queensland Division, 149-174 Sibbald, T.I.I., 1982. Uranium Metallogenic Studies: Nicholson Bay Area. In Summary of Investigations, 1982; Saskatchewan Geological Survey; Saskatchewan Energy and Mines, Miscellaneous Report 82-4. Sibbald, T.I.I., 1983. Geology of the crystalline basement, NEA/AEA Athabasca Test Area, in: Cameron, E.M. (Ed.), Uranium Exploration in Athabasca Basin Saskatchewan, Canada, Geological Survey of Canada, pp. 1-14. Sibbald, T.I.I. and Quirt, D., 1987. U deposits of the Athabasca basin: Saskatchewan Research Council Publication R-855-1-G-87, 79 p. Sibson, RH., Moore, J., Rankin, A., 1975. Seismic pumping-a hydrothermal fluid transport mechanism. Journal of Geological Society of London, vol. 131, p. 653-659. 234
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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
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 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: Piper, J.D.A., 2004. Discussion on
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
Page 295 and 296: Mineralized veins Quartz veins 276
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