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

Paleoproterozoic Cochise block to the Mazatzal province. American Journal of Earth Sciences 310, 773–797. Eckelman, N.N. and Kulp J. L., 1957. Uranium-lead method of age determination II: North American Localities. BuIletin G.S.A. Edgecombe, S.M, Hazell M, Page R.W, Black L.P., Sun S.S., 2002. OZCHRON National Geochronology Database Canberra: Geoscience Australia. Accessible at http://www.ga.gov.au/ databases/20010926_27.jsp Ernst, R.E. and Buchan, K.L., 2001a. Mantle Plumes: Their Identification through Time. Geological Society of America Special Paper 352, 483-575. Ernst, R.E and Buchan, K.L., 2001b. Large mafic magmatic events through time and links to mantle plume heads. Geological Society of America Special Paper 362. 230 p Ernst, R.E., 2007. Large igneous provinces in Canada through time and their metallogenic potential, in: Goodfellow, W.D., ed., Mineral Deposits of Canada: A Synthesis of Major Deposit-Types, District Metallogeny, the Evolution of Geological provinces and Exploration Methods. Geological Association of Canada, Mineral Deposits Division, Special Publication No. 5, 929-937. Ernst, R.E., Wingate, M.T.D., Buchan, K.L., Li, Z.X., 2008. Global record of 1600–700 Ma Large Igneous provinces (LIPs): implications for the reconstruction of the proposed Nuna (Columbia) and Rodinia supercontinents. Precambrian Research 160, 159–178. Eupene, G.S., 2003. Modelling of the Coronation Hill drill hole database. Northern Territory Geological Survey, Technical Note 2003-011. Evans, D.A.D. and Pisarevsky, S.A., 2008. Plate tectonics on early Earth Weighing the paleomagnetic evidence: In Condie, K.C., Pease, V. (Eds.), When Did Plate Tectonics Begin on Earth Geological Society of America, Special Paper, 249– 263. Evans, A.D., Mitchell, R. N., Kilian, M., Joseph E. P., 2010. Reconstruction of Nuna: A working hypothesis: GeoCanada 2010, 10-14 May, Calgary, Canada. Evoy, E.F., 1961. Geology of the Gunnar uranium deposit, Beaverlodge area, Saskatchewan: Unpublished Ph.D thesis, <strong>University</strong> of Wisconsin, Madison, 62 p. Faure, G., 1989, Principles of Isotope Geology: Wiley, New York, 1986; Mir, Moscow. Fayek, M. and Kyser, K., 1997. Characterization of multiple fluid-flow events and rareearth elements mobility associated with formation of unconformity uranium 219
deposits in the Athabasca Basin, Saskatchewan: The Canadian Mineralogist 35, 627-658. Ferenczi, P.A and Sweet I.P., 2005. Mount Evelyn, Northern Territory Second Edition. 1:250 000 geological map series explanatory notes, SD 53-05. Northern Territory Geological Survey, Darwin. Ferguson, J. and Needham R.S., 1978. The Zamu Dolerite. A Lower Proterozoic preorogenic continental tholeiitic suite from the Northern Territory, Australia. J. Geol. Soc. Aust, 25: 309-322. Ferguson, J, Chappell B.W, Goleby A.B., 1980a. Granitoids in the Pine Creek Geosyncline: in Ferguson J and Goleby AB editors. Uranium in the Pine Creek Geosyncline. International Atomic Energy Agency, Vienna, 73–90. Fisher, W.J., 1969. Mining practice in the South Alligator Valley: Atomic Energy in Australia. 12, 25-40. Foy, M.F., 1975. South Alligator Valley Uranium Deposits. In Knight, C. L. ed.., Geology of Australia and Papua New Guinea: Melbourne, Australasian Institute of Mining and Metallurgy, 1, 301–303. Friedmann, J.S, and Grotzinger, P.J., 1994. Sedimentology, stratigraphy, and tectonic implication of a Paleoproterozoic continental extensional basin: the El Sherana– Edith River groups, Northern Territory, Australian: Canadian Journal of Earth Sciences, 31, 743–764. Fullerton, D.S., Colton, R.B., Bush, C.A. & Straub, A.W., 2003. Spatial and temporal relationships of Laurentide continental glaciations and mountains glaciations on the northern Plains in Montana and northwestern North Dakota, with implications for reconstruction of the configurations of vanished ice sheets: U.S. Geological Survey Miscellaneous Geologic Investigations Map, with text. Gaál, G and Gorbatschev, R., 1987. An outline of the Precambrian evolution of the Baltic Shield. In: Gaál, G and Gorbatschev, R. (Eds.), Precambrian Geology and Evolution of the Central Baltic Shield. Special Issue. Precambrian Research 35: 15–52.Gao, S. and Wedepohl, K. H., 1995, The negative Eu anomaly in Archean sedimentary rocks: Implications for decomposition, age and importance of their granitic sources: Earth and Planetary Science Letters, v. 133, p. 81–94. Ghandi, 2007. Significant Unconformity Associated Uranium Deposits of the Athabasca Basin, Saskatchewan and Alberta, and Selected Related Deposits of Canada and the World: Geological Survey of Canada, Open File 5005, Saskatchewan Industry and Resources, Open File 2007- 11, CD-ROM. 220
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
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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
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 and 236: Bowles, J.F.W., 1990. Age dating of
Page 237: Cuney, M.L., 2005. World-class unco
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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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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