Boron- and magnesium-rich marine brines at the origin of giant unconformity-related uranium deposits:δ11B evidence from Mg-tourmalines

Geology

Volumn 40, Issue 3, 2012, Pages 231-234

  Mercadier, Julien ^a   Richard, Antonin ^a   Cathelineau, Michel ^a  

^a CRPG CNRS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ATHABASCA BASIN; BASEMENT ROCKS; ISOTOPIC COMPOSITION; ISOTOPIC STUDY; ORE FLUIDS;

BORON; BUILDINGS; ISOTOPES; LEACHING; MAGNESIUM; SEDIMENTARY ROCKS; URANIUM DEPOSITS;

SILICATE MINERALS;

BASEMENT ROCK; BORON ISOTOPE; BRINE; DRAVITE; ISOTOPIC COMPOSITION; MAGNESIUM; MARINE ENVIRONMENT; ORE DEPOSIT; PETROGRAPHY; SEDIMENTARY ROCK; TOURMALINE; UNCONFORMITY; URANIUM;

ATHABASCA BASIN; CANADA;

EID: 84858122188     PISSN: 00917613     EISSN: 19432682     Source Type: Journal    
DOI: 10.1130/G32509.1     Document Type: Article

References (33)

1. Barth, S., 1993, Boron isotope variations in nature: A synthesis: Geologische Rundschau, v. 82, p. 640-651, doi:10.1007/BF00191491.
2. Boiron, M.C., Cathelineau, M., and Richard, A., 2010, Fluid flows and metal deposition near basement/cover unconformity: Lessons and analogies from Pb-Zn-F-Ba systems for the understanding of Proterozoic U deposits: Geofluids, v. 10, p. 270-292.
3. Card, C.D., Pana, D., Stern, R.A., and Rayner, N., 2007, Basement rocks to the Athabasca Basin, Saskatchewan and Alberta: Geological Survey of Canada Bulletin, v. 588, p. 69-87.
4. Chaussidon, M., and Albarède, F., 1992, Secular boron isotope variations in the continental crust: An ion microprobe study: Earth and Planetary Science Letters, v. 108, p. 229-241, doi:10.1016/0012-821X(92)90025-Q.
5. Cloutier, J., Kyser, K., Olivo, G.R., Alexandre, P., and Halaburda, J., 2009, The Millennium uranium deposit, Athabasca basin, Saskatchewan, Canada: An atypical basement-hosted unconformity-related uranium deposit: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 104, p. 815-840, doi:10.2113/gsecongeo.104.6.815.
6. Cloutier, J., Kyser, K., Olivo, G.R., and Alexandre, P., 2010, Contrasting patterns of alteration at the Wheeler River area, Athabasca basin, Saskatchewan, Canada: Insights into the apparently uranium-barren zone K alteration system: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 105, p. 303-324, doi:10.2113/gsecongeo.105.2.303.
7. Cumming, G.L., and Krstic, D., 1992, The age of unconformity-related uranium mineralization in the Athabasca Basin, northern Saskatchewan: Canadian Journal of Earth Sciences, v. 29, p. 1623-1639, doi:10.1139/e92-128.
8. Derome, D., Cathelineau, M., Cuney, M., Fabre, C., Lhomme, T., and Banks, D.A., 2005, Mixing of sodic and calcic brines and uranium deposition at McArthur River, Saskatchewan, Canada: A Raman and laser-induced breakdown spectroscopic study of fluid inclusions: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 100, p. 1529-1545, doi:10.2113/100.8.1529.
9. Edmunds, W.M., Kay, R.L.F., Miles, D.L., and Cook, J.M., 1987, The origin of saline groundwaters in the Carnmenellis granite, Cornwall (UK): Further evidence from minor and trace elements, in Fritz, P., and Frape, S.K., eds., Saline water and gases in crystalline rocks: Geological Association of Canada Special Paper 33, p. 127-143.
10. Fayek, M., and Kyser, T.K., 1997, Characterization of multiple fluid-flow events and rare-earthelement mobility associated with formation of unconformity-type uranium deposits in the Athabasca Basin, Saskatchewan: Canadian Mineralogist, v. 35, p. 627-658.
11. Fontes, J.C., and Matray, J.M., 1993, Geochemistry and origin of formation brines from the Paris Basin, France: 1. Brines associated with Triassic salts: Chemical Geology, v. 109, p. 149-175, doi:10.1016/0009-2541(93)90068-T.
12. Hecht, L., and Cuney, M., 2000, Hydrothermal alteration of monazite in the Precambrian crystalline basement of the Athabasca Basin (Saskatchewan, Canada): Implications for the formation of unconformity-related uranium deposits: Mineralium Deposita, v. 35, p. 791-795, doi:10.1007/s001260050280.
13. Hoeve, J., and Sibbald, T.I.I., 1978, On the genesis of Rabbit Lake and other unconformity-type uranium deposits in northern Saskatchewan, Canada: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 73, p. 1450-1473, doi:10.2113/gsecongeo.73.8.1450.
14. Kister, P., Laverret, E., Quirt, D., Cuney, M., Patrier Mas, P., Beaufort, D., and Bruneton, P., 2006, Mineralogy and geochemistry of the host-rock alterations associated with the Shea Creek unconformity-type uranium deposits (Athabasca Basin, Saskatchewan, Canada). Part 2. Regional-scale spatial distribution of the Athabasca Group sandstone matrix minerals: Clays and Clay Minerals, v. 54, p. 295-313, doi:10.1346/CCMN.2006.0540302.
15. Kotzer, T.G., and Kyser, T.K., 1995, Petrogenesis of the Proterozoic Athabasca Basin, northern Saskatchewan, Canada, and its relation to diagenesis, hydrothermal uranium mineralization and paleohydrogeology: Chemical Geology, v. 120, p. 45-89, doi:10.1016/0009-2541(94)00114-N.
16. Kyser, T.K., and Cuney, M., 2008, Unconformityrelated uranium deposits: Mineralogical Association of Canada Short Course Series, v. 39, p. 161-219.
17. London, D., Morgan, G.B., and Wolf, M.B., 1996, Boron in granitic rocks and their contact aureoles: Reviews in Mineralogy and Geochemistry, v. 33, p. 299-330.
18. Mercadier, J., Richard, A., Boiron, M.C., Cathelineau, M., and Cuney, M., 2010, Migration of brines in the basement rocks of the Athabasca Basin through microfracture networks (P-Patch U deposit, Canada): Lithos, v. 115, p. 121-136, doi:10.1016/j.lithos.2009.11.010.
19. Mercadier, J., Cuney, M., Cathelineau, M., and Lacorde, M., 2011, U redox fronts and kaolinisation in basement-hosted unconformity-related U ores of the Athabasca Basin (Canada): Late U remobilisation by meteoric fluids: Mineralium Deposita, v. 46, p. 105-135, doi:10.1007/s00126-010-0314-7.
20. Meyer, C., Wunder, B., Meixner, A., Romer, R.L., and Heinrich, W., 2008, Boron-isotope fractionation between tourmaline and fluid: An experimental re-investigation: Contributions to Mineralogy and Petrology, v. 156, p. 259-267, doi:10.1007/s00410-008-0285-1.
21. Möller, P., Woith, H., Dulski, P., Lüders, V., Erzinger, J., Kämpf, H., Pekdeger, A., Hansen, B., Lodemann, M., and Banks, D., 2005, Main and trace elements in KTB-VB fluid: Composition and hints to its origin: Geofluids, v. 5, p. 28-41, doi:10.1111/j.1468-8123.2004.00104.x.
22. Morichon, E., Beaufort, D., Allard, T., and Quirt, D., 2010, Tracing past migrations of uranium Paleoproterozoic basins: New insights from radiation-induced defects in clay minerals: Geology, v. 38, p. 983-986.
23. Pacquet, A., and Weber, F., 1993, Petrography and mineralogy of alteration halos around Cigar Lake sediments and their relationship with mineralisations: Canadian Journal of Earth Sciences, v. 30, p. 674-688, doi:10.1139/e93-055.
24. Pal, D.C., Trumbull, R.B., and Wiedenbeck, M., 2010, Chemical and boron isotope compositions of tourmaline from the Jaduguda U (-Cu-Fe) deposit, Singhbhum shear zone, India: Implications for the sources and evolution of mineralizing fluids: Chemical Geology, v. 277, p. 245-260, doi:10.1016/j.chemgeo.2010.08.008.
25. Palmer, M.R., and Swihart, G.H., 1996, Boron isotope geochemistry: An overview: Reviews in Mineralogy, v. 33, p. 708-744.
26. Richard, A., Pettke, T., Cathelineau, M., Boiron, M.C., Mercadier, J., Cuney, M., and Derome, D., 2010, Brine-rock interaction in the Athabasca basement (McArthur River U deposit, Canada): Consequences for fluid chemistry and uranium uptake: Terra Nova, v. 22, p. 303-308.
27. 37Cl study of fluid inclusions: Geochimica et Cosmochimica Acta, v. 75, p. 2792-2810, doi:10.1016/j.gca.2011.02.026.
28. Rosenberg, P.E., and Foit, F.F., 2006, Magnesiofoitite from the uranium deposits of the Athabasca Basin, Saskatchewan, Canada: Canadian Mineralogist, v. 44, p. 959-965, doi:10.2113/gscanmin.44.4.959.
29. Smith, M.P., and Yardley, B.W.D., 1996, The boron isotopic composition of tourmaline as a guide to fluid processes in the southwestern England orefield: An ion microprobe study: Geochimica et Cosmochimica Acta, v. 60, p. 1415-1427, doi:10.1016/0016-7037(96)00007-5.
30. Vengosh, A., Starinsky, A., Kolodny, Y., Chivas, A.R., and Raab, M., 1992, Boron isotope variations during fractional evaporation of sea water: New constraints on the marine vs. nonmarine debate: Geology, v. 20, p. 799-802, doi:10.1130/0091-7613(1992)020<0799:BIVDFE>2.3.CO;2.
31. Williams, L.B., Hervig, R.L., Holloway, J.R., and Hutcheon, I., 2001, Boron isotope geochemistry during diagenesis. Part I. Experimental determination of fractionation during illitization of smectite: Geochimica et Cosmochimica Acta, v. 65, p. 1769-1782.
32. Wilson, M.R., and Kyser, T.K., 1987, Stable isotope geochemistry of alteration associated with the Key Lake uranium deposit, Canada: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 82, p. 1540-1557, doi:10.2113/gsecongeo.82.6.1540.
33. Xavier, R.P., Wiedenbeck, M., Trumbull, R.B., Dreher, A.M., Monteiro, L.V.S., Rhede, D., de Araujo, C.E.G., and Torresi, I., 2008, Tourmaline B-isotopes fingerprint marine evaporites as the source of high-salinity ore fluids in iron oxide copper-gold deposits, Carajás Mineral Province (Brazil): Geology, v. 36, p. 743-746, doi:10.1130/G24841A.1.