Stable isotope (δ18O, δD, δ37Cl) evidence for multiple fluid histories in mid-Atlantic abyssal peridotites (ODP Leg 209)

Lithos - Tập 110 - Trang 83-94 - 2009
Jaime D. Barnes1, Holger Paulick2, Zachary D. Sharp1, Wolfgang Bach3, Georges Beaudoin4
1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, USA
2Steinmann Institut für Geologie, Mineralogie und Paläontologie, Universität Bonn, Poppelsdorfer Schloss, 53115 Bonn, Germany
3Universität Bremen, Fachbereich 5-Geowissenschaften, Postfach 330 440, 28334 Bremen, Germany
4Département de Géologie et de Génie Géologique, Université Laval, Québec QC, Canada G1V 0A6

Tài liệu tham khảo

Alt, 2003, Serpentinization of abyssal peridotites from the MARK area, Mid-Atlantic Ridge: sulfur geochemistry and reaction modeling, Geochimica et Cosmochimica Acta, 67, 641, 10.1016/S0016-7037(02)01142-0 Alt, 2006, Stable isotope compositions of serpentinite seamounts in the Mariana forearc: serpentinization processes, fluid sources and sulfur metasomatism, Earth and Planetary Science Letters, 242, 272, 10.1016/j.epsl.2005.11.063 Alt, 2007, Hydrothermal alteration and microbial sulfate reduction in peridotite and gabbro exposed by detachment faulting at the Mid-Atlantic Ridge, 15°20N (ODP Leg 209): a sulfur and oxygen isotope study, Geochemistry Geophysics Geosystems, 8, Q08002, 10.1029/2007GC001617 Bach, 2007, Silica metasomatism of oceanic serpentinites, A48 Bach, 2004, Seawater-peridotite interactions: first insights from ODP Leg 209, MAR 15°N, Geochemistry Geophysics Geosystems, 5, 10.1029/2004GC000744 Bach, 2004 Bach, 2006, Unraveling the sequence of serpentinization reactions: petrography, mineral chemistry, and petrophysics of serpentinites from MAR 15°N (ODP Leg 209, Site 1274), Geophysical Research Letters, 33, L13306, 10.1029/2006GL025681 Barnes, J.D., 2006. Tectonic and metamorphic implications of high chlorine contents in serpentinites. Ph.D. Thesis, University of New Mexico, Albuquerque, New Mexico, 161 pp. Barnes, 2006, A chlorine isotope study of DSDP/ODP serpentinized ultramafic rocks: insights into the serpentinization process, Chemical Geology, 228, 246, 10.1016/j.chemgeo.2005.10.011 Barnes, 2006, Chlorine chemistry of serpentinites from Elba, Italy, as an indicator of fluid source and subsequent tectonic history, Geochemistry, Geophysics, Geosystems, 7, Q08015, 10.1029/2006GC001296 Barnes, 2008, Chlorine isotope variations across the Izu–Bonin–Mariana arc, Geology, 36, 883, 10.1130/G25182A.1 Bigeleisen, 1952, Conversion of hydrogenic materials to hydrogen for isotopic analysis, Analytical Chemistry, 24, 1356, 10.1021/ac60068a025 Bonifacie, 2008, Chlorine isotopic composition in seafloor serpentinites and high-pressure metaperidotites. Insights into oceanic serpentinization and subduction processes, Geochimica et Cosmochimica Acta, 72, 126, 10.1016/j.gca.2007.10.010 Boschi, 2006, Mass transfer and fluid flow during detachment faulting and development of an oceanic core complex, Atlantis Massif (MAR 30°N), Geochemistry Geophysics Geosystems, 7, Q01004, 10.1029/2005GC001074 Clayton, 1963, The use of bromine pentafluoride in the extraction of oxygen in oxides and silicates for isotopic analysis, Geochimica et Cosmochimica Acta, 27, 43, 10.1016/0016-7037(63)90071-1 Clayton, 1972, Oxygen isotope exchange between quartz and water, J. Geophys. Res., 77, 3057, 10.1029/JB077i017p03057 Dick, 2003, An ultraslow-spreading class of ocean ridge, Nature, 426, 405, 10.1038/nature02128 Earley, 1958, On chlorine in serpentinized dunite, American Mineralogist, 43, 148 Eggenkamp, H.G.M., 1994. The geochemistry of chlorine isotopes. Ph.D. Thesis, Universiteit Utrecht, 151 pp. Eggenkamp, 1995, Chloride stable isotope fractionation in evaporites, Geochimica et Cosmochimica Acta, 59, 5169, 10.1016/0016-7037(95)00353-3 Escartín, 2003, Constraints on deformation conditions and the origin of oceanic detachments: the Mid-Atlantic Ridge core complex at 15°45′N, Geochemistry Geophysics Geosystems, 4, 10.1029/2002GC000472 1977, Compilation of stable isotope fractionation factors of geochemical interest, vol. 440-KK Früh-Green, 1996, Petrologic and stable isotope constraints on hydrothermal alteration and serpentinization of the EPR shallow mantle at Hess Deep (Site 895), 255 Gibson, 1996, Major- and trace-element seawater alteration profiles in serpentinite formed during the development of the Iberia Margin, Site 897, 519 Godfrey, 1962, The deuterium content of hydrous minerals from the East-Central Sierra Nevada and Yosemite National Park, Geochimica et Cosmochimica Acta, 26, 1215, 10.1016/0016-7037(62)90053-4 1994, vol. 18 Hébert, 1990, Metamorphic petrology of ODP Leg 109, Hole 670A serpentinized peridotites: serpentinization processes at a slow spreading ridge environment, 103 Heling, 1992, Iowaite in serpentinite muds at Sites 778, 779, 780, and 784: a possible cause for the low chlorinity of pore waters, Proc. ODP, Scientific Results, 125, 313 Hoffman, 1992, Instrumental neutron activation in geoanalysis, Journal of Geochemical Exploration, 44, 297, 10.1016/0375-6742(92)90053-B Kohls, 1967, Iowaite, a new hydrous magnesium hydroxide-ferric oxychloride from the Precambrian of Iowa, American Mineralogist, 52, 1261 Kyser, 1991, Retrograde exchange of hydrogen isotopes between hydrous minerals and water at low temperatures, 409 Kyser, 1999, The origin of fluids associated with serpentinization processes: evidence from stable-isotope compositions, Canadian Mineralogist, 37, 223 Lagabrielle, 1998, Ultramafic–mafic plutonic rock suites exposed along the Mid-Atlantic Ridge (10°N–30°N)- symmetrical asymmetrical distribution and implications for seafloor spreading processes, 153 Magenheim, 1994, Precise determination of stable chlorine isotopic ratios in low-concentration natural samples, Geochimica et Cosmochimica Acta, 58, 3117, 10.1016/0016-7037(94)90183-X Marques, 2006, Mineralogy, geochemistry, and Nd isotope composition of the Rainbow hydrothermal field, Mid-Atlantic Ridge, Mineral Deposits, 41, 52, 10.1007/s00126-005-0040-8 McCaig, 2007, Oceanic detachment faults focus very large volumes of black smoker fluids, Geology, 35, 935, 10.1130/G23657A.1 Mével, 2003, Serpentinization of abyssal peridotites at mid-ocean ridges, C. R. Geoscience, 335, 825, 10.1016/j.crte.2003.08.006 Mével, 1996, Hydrothermal alteration of the upper-mantle section at Hess Deep, 293 Paulick, 2006, Geochemistry of abyssal peridotites (Mid-Atlantic Ridge, 15°20′N, ODP Leg 209): implications for fluid/rock interaction in slow spreading environments, Chemical Geology, 234, 179, 10.1016/j.chemgeo.2006.04.011 Plas, A., 1997. Petrologic and stable isotope constraints on fluid–rock interaction, serpentinization and alteration of oceanic ultramafic rocks. Ph.D. Thesis, ETH-Zurich, 252 pp. Sakai, 1990, Origin of waters responsible for serpentinization of the Izu–Ogasawara–Mariana forearc seamounts in view of hydrogen and oxygen isotope ratios, Earth and Planetary Science Letters, 100, 291, 10.1016/0012-821X(90)90192-Z Sanford, 1981, Mineralogical and chemical effects of hydration reactions and applications to serpentinization, American Mineralogist, 66, 290 Schauble, 2003, Theoretical estimates of equilibrium chlorine-isotope fractionations, Geochimica et Cosmochimica Acta, 67, 3267, 10.1016/S0016-7037(02)01375-3 Shanks, 2001, Stable isotopes in seafloor hydrothermal systems: vent fluids, hydrothermal deposits, hydrothermal alteration, and microbial processes, 469 Sharp, 1990, A laser-based microanalytical method for the in situ determination of oxygen isotope ratios of silicates and oxides, Geochimica et Cosmochimica Acta, 54, 1353, 10.1016/0016-7037(90)90160-M Sharp, 2004, Water soluble chlorides in massive seafloor serpentinites: a source of chloride in subduction zones, Earth and Planetary Science Letters, 226, 243, 10.1016/j.epsl.2004.06.016 Sharp, 1994, Quartz–calcite oxygen isotope thermometry: a calibration based on natural isotopic variations, Geochimica et Cosmochimica Acta, 58, 4491, 10.1016/0016-7037(94)90350-6 Sharp, 2007, Chlorine isotope homogeneity of the mantle, crust and carbonaceous chondrites, Nature, 446, 1062, 10.1038/nature05748 Sheppard, 1986, Characterization and isotopic variations in natural waters, 165 Shipboard Scientific Party, 2004, Leg 209 summary, 1 Valley, 1995, UWG-2, a garnet standard for oxygen isotope ratios; strategies for high precision and accuracy with laser heating, Geochimica et Cosmochimica Acta, 59, 5223, 10.1016/0016-7037(95)00386-X Wenner, 1971, Temperatures of serpentinization of ultramafic rocks based on O18/O16 fractionation between coexisting serpentine and magnetite, Contributions to Mineralogy and Petrology, 32, 165, 10.1007/BF00643332 Wenner, 1973, Oxygen and hydrogen isotopic studies of the serpentinization of ultramafic rocks in oceanic environments and continental ophiolite complexes, American Journal of Science, 273, 207, 10.2475/ajs.273.3.207 Wetzel, 2000, Distinguishing ultramafic- from basalt-hosted submarine hydrothermal systems by comparing calculated vent fluid compositions, Journal of Geophysical Research, 105, 8319, 10.1029/1999JB900382