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  • Agrinier, P., R. Hékinian, D. Bideau, and M. Javoy, O and H stable isotope compositions of oceanic crust and upper mantle rocks exposed in the Hess Deep near the Galapogos Triple Junction, Earth Planet. Sci. Lett., 136, 183196, 1995.
  • Arai, S., and K. Matsukage, Petrology of the gabbro-troctolite-peridotite complex from the Hess Deep, equatorial Pacific: Implications for mantle-melt interaction within the oceanic lithosphere, in Proc. Ocean Drill. Program Sci. Results, 147, 135155, 1996.
  • Asimow, P. D., A model that reconciles major- and trace-element data from abyssal peridotites, Earth Planet. Sci. Lett., 169, 303319, 1999.
  • Benn, K., and B. Allard, Preferred mineral orientations related to magmatic flow in ophiolite layered gabbros, J. Petrol., 30, 925946, 1989.
  • Benoit, M., G. Ceuleneer, and M. Polve, The remelting of hydrothermally altered peridotite at mid-ocean ridges by intruding mantle diapirs, Nature, 402, 514518, 1999.
  • Blum, N., Structure and composition of oceanic crust and upper mantle exposed in Hess Deep of the Galapogos microplate (equatorial east pacific), Ph.D. thesis, Univ. Karlsruhe, Karlsruhe, Germany, 1991.
  • Boudier, F., C. J. MacLeod, and L. Bolou, Structures in peroditites from Site 895, Hess Deep: Implications for the geometry of mantle flow beneath the East Pacific Rise, Proc. Ocean Drill. Program Sci. Results, 147, 347356, 1996a.
  • Boudier, F., A. Nicolas, and B. Ildefonse, Magma chambers in the Oman ophiolite: Fed from the top and the bottom, Earth Planet. Sci. Lett., 144, 239250, 1996b.
  • Boudier, F., M. Godard, and C. Armbruster, Significance of gabbronorite occurrences in the crustal section of the Semail ophiolite, Mar. Geophys. Res., 21, 289305, 2000.
  • Browning, P., The petrology, geochemistry, and structure of the plutonic rocks of the Oman ophiolite, Ph.D. Thesis, The Open University, Milton Keynes, U.K., 1982.
  • Chen, Y. J., Thermal effects of gabbros accretion from a deeper second melt lens at the fast spreading East Pacific Rise, J. Geophys. Res., 106, 85818588, 2001.
  • Constantin, M., Gabbroic intrusions and magmatic metasomatism in harzburgites from the Garrett transform fault: Implicatiuons for the nature of the mantle-crust transition at fast spreading ridges, Contrib. Mineral. Petrol., 136, 111130, 1999.
  • Coogan, L. A., Magma plumbing beneath the Mid-Atlantic Ridge, Ph.D. Thesis, Leicester University, Leicester, U.K., 1998.
  • Coogan, L. A., P. D. Kempton, A. D. Saunders, and M. J. Norry, Evidence from plagioclase and clinopyroxene major and trace element compositions for melt aggregation within the crust beneath the Mid-Atlantic Ridge, Earth Planet. Sci. Lett., 176, 245257, 2000a.
  • Coogan, L. A., A. D. Saunders, P. D. Kempton, and M. J. Norry, Evidence from oceanic gabbros for porous melt migration within a crystal mush beneath the Mid-Atlantic Ridge, Geophys. Geochem. Geosyst., 1, Paper number 2000GC000072, 2000b.
  • Coogan, L. A., G. R. T. Jenkin, and R. N. Wilson, Constraining the cooling rate of the lower oceanic crust: A new approach applied to the Oman ophiolite, Earth Planet. Sci. Lett., 199, 127146, 2002a.
  • Coogan, L. A., G. Thompson, and C. J. MacLeod, A textural and geochemical investigation of high level gabbros from the Oman ophiolite: Implications for the role of the axial magma chamber at fast spreading ridges, Lithos, 63, 6782, 2002b.
  • Detrick, R. S., P. Buhl, E. Vera, J. Mutter, J. Orcutt, J. Madsen, and T. Brocher, Multi-channel seismic imaging of a crustal magma chamber along the East Pacific Rise, Nature, 326, 3541, 1987.
  • Dick, H. J. B., and J. H. Natland, Late-stage melt evolution and transport in the shallow mantle beneath the East Pacific Rise, Proc. Ocean Drill. Program Sci. Results, 147, 103133, 1996.
  • Dunn, R. A., D. R. Toomey, and S. C. Solomon, Three-dimensional seismic structure and physical properties of the crust and shallow mantle beneath the East Pacific Rise at 9°30′N, J. Geophys. Res., 105, 23,53723,555, 2000.
  • Edwards, S. J., and J. Malpas, Melt-peridotite interactions in shallow mantle at the East Pacific Rise: Evidence from ODP site 895 (Hess Deep), Mineral. Mag., 60, 191206, 1996.
  • Elthon, D., M. Stewart, and D. K. Ross, Compositional trends of minerals in oceanic cumulates, J. Geophys. Res., 97, 15,18915,199, 1992.
  • Francheteau, J., R. Armijo, J. L. Cheminee, R. Hékinian, P. Lonsdale, and N. Blum, 1 Ma East Pacific Rise oceanic crust and uppermost mantle exposed by rifting in Hess Deep (equatorial Pacific Ocean), Earth Planet. Sci. Lett., 101, 281295, 1990.
  • Früh-Green, G. L., A. Plas, and L. N. Dell' Angelo, Mineralogical and stable isotope record of polyphase alteration of upper crustal gabbros of the East Pacific Rise (Hess Deep, Site 894), Proc. Ocean Drill. Program Sci. Results, 147, 235254, 1996.
  • Garrido, C. J., P. B. Kelemen, and G. Hirth, Variation of cooling rate with depth in lower crust formed at an oceanic spreading ridge plagioclase crystal size distributions in gabbros from the Oman ophiolite, Geochem. Geophys. Geosyst., 2, Paper number 2000GC000136, 2001.
  • Ghiorso, M. S., and R. O. Sack, Chemical mass transfer in magmatic processes, IV, A revised and internally consistent thermodynamic model for the interpolations of liquid-solid equilibria in magmatic systems at elevated temperatures and pressures, Contrib. Mineral. Petrol., 119, 197212, 1995.
  • Gillis, K. M., Controls on hydrothermal alteration in a section of fast-spreading oceanic crust, Earth Planet. Sci. Lett., 134, 473489, 1995.
  • Gillis, K. M., Rare earth element constraints on the origin of amphibole in gabbroic rocks from Site 894, Hess Deep, Proc. Ocean Drill. Program Sci. Results, 147, 5975, 1996.
  • Gillis, K. M., and P. S. Meyer, Metasomatism of oceanic gabbros by late stage melts and hydrothermal fluids: evidence from the rare earth element compositions of amphiboles, Geophys. Geochem. Geosyst., 2, Paper Number 2000GC000087, 2001.
  • Gillis, K. M., et al., Proceedings of Ocean Drilling Program, Initial Rep. vol. 147, 366 pp., Ocean Drill. Program, College Station, Tex., 1993.
  • Grove, T. L., R. J. Kinzler, and W. B. Bryan, Fractionation of mid-ocean ridge bbasalt (MORB), in Mantle Flow and Melt Generation at Mid-Ocean Ridges, Geophys. Monogr. Ser., vol. 70, edited by J. Phipps Morgan et al., pp. 281311, AGU, Washington, D.C., 1992.
  • Hanna, H. D., E. M. Klein, C. C. Willmore, M. A. Stewart, and A. E. Boudreau, Composition, texture and spatial characteristaion of high level gabbros recovered by submersible from the Hess Deep Rift, Eos Trans. American Geophyphsical Union, 80(46), F985, Fall Meet. Suppl., 1999.
  • Hart, S. R., and T. Dunn, Experimental cpx/melt partitioning of 24 trace elements, Contrib. Mineral. Petrol., 113, 18, 1993.
  • Hékinian, R., D. Bideau, J. Francheteau, J. L. Cheminee, R. Armijo, P. Lonsdale, and N. Blum, Petrology of the East Pacific Rise crust and upper mantle exposed in Hess Deep (East Equatorial Pacific), J. Geophys. Res., 98, 80698094, 1993.
  • Henstock, T. J., Compaction control of melt distribution at fast-spreading mid-ocean ridges, Geophys. Res. Lett., 29(7), 1137, 10.1029/2001GL013755, 2002.
  • Henstock, T. J., A. W. Woods, and R. S. White, The accretion of oceanic crust by episodic sill intrusion, J. Geophys. Res., 98, 41434161, 1993.
  • Higgins, M. D., Numerical modelling of crystal shapes in thin sections: Estimates of crystal habit and true size, Am. Mineral., 79, 113119, 1994.
  • Higgins, M. D., Measurement of crystal size distributions, Am. Mineral., 85, 11051116, 2000.
  • Hirth, G., J. Escartin, and J. Lin, The rheology of the lower oceanic crust: Implications for lithospheric deformation at mid-ocean ridges, in Faulting and Magmatism at Mid-Ocean Ridges, Geophys. Monogr. Ser., vol. 106, edited by W. R. Buck et al., pp. 291303, AGU, Washington, D.C., 1998.
  • Holland, T., and J. Blundy, Non-ideal interactions in calcic amphiboles and their bearing on amphibole-plagioclase thermometry, Contrib. Mineral. Petrol., 116, 433447, 1994.
  • Hofmann, A. W., Chemical differentiation of the Earth: The relationship between mantle, continental crust and oceanic crust, Earth Planet. Sci. Lett., 90, 297314, 1988.
  • Hunter, R. H., Texture development in cumulate rocks, in Layered Intrusions, edited by R. G. Cawthorn, pp. 77101, Elsevier Sci., New York, 1996.
  • Karson, J. A., S. D. Hurst, and P. Lonsdale, Tectonic rotations of dikes in fast-spread oceanic crust exposed near Hess Deep, Geology, 20, 685688, 1992.
  • Karson, J. A., E. M. Klein, S. D. Hurst, C. Lee, P. Rivizzigno, D. Curewitz, and H. D. S. Party, Structure of uppermost fast-spread oceanic crust exposed at the Hess Deep Rift: Implications for subaxial processes at the East Pacific Rise, Geochem. Geophys. Geosyst., 3(1), 1002, 10.1029/2001GC000155, 2002.
  • Kelemen, P. B., G. Hirth, N. Shimizu, M. Speigelman, and H. J. B. Dick, A reveiw of melt migration processes in the adiabatically upwelling mantle beneath oceanic spreading ridges, Philos. Trans. R. Soc. London Ser. A, 355, 283318, 1997a.
  • Kelemen, P. B., K. Koga, and N. Shimizu, Geochemistry of gabbro sills in the crust-mantle transition zone of the Oman ophiolite: Implications for the origin of the oceanic lower crust, Earth Planet. Sci. Lett., 146, 475488, 1997b.
  • Kelley, D. S., and J. Malpas, Melt-fluid evolution in gabbroic rocks from Hess Deep, Proc. Ocean Drill. Program Sci. Results, 147, 213226, 1996.
  • Korenaga, J., and P. B. Kelemen, Melt migration through the oceanic lower crust: a constraint from melt percolation modelling with finite solid diffusion, Earth Planet. Sci. Lett., 156, 111, 1998.
  • Langmuir, C. H., Geochemical consequences of in situ differentiation, Nature, 340, 199205, 1989.
  • Lécuyer, C., and G. Gruau, Oxygen and strontium isotope compositions of Hess Deep gabbros (Hole 894F and 894G): High temperature interaction of seawater with oceanic crust layer 3, in Proc. Ocean Drill. Program Sci. Results, 147, 227234, 1996.
  • Lécuyer, C., and B. Reynard, High temperature alteration of oceanic gabbros by seawater (Hess Deep, Ocean Drilling Program Leg 147): Evidence from oxygen isotopes and elemental fluxes, J. Geophys. Res., 101, 15,88315,897, 1996.
  • Lonsdale, P., Structural pattern of the Galapagos microplate and evolution of the Galapagos Triple Junctions, J. Geophys. Res., 93, 13,55113,574, 1988.
  • Lonsdale, P., N. Blum, and H. Puchelt, The RRR triple junction at the southern end of the Pacific-Cocos East Pacific Rise, Earth Planet. Sci. Lett., 109, 7385, 1992.
  • Lundstrom, C. C., J. Gill, and Q. Williams, A geochemically consistent hypothesis for MORB generation, Chem. Geol., 162, 105126, 2000.
  • MacLeod, C. J., and G. Yaouancq, A fossil melt lens in the Oman ophiolite: Implications for magma chamber processes at fast spreading ridges, Earth Planet. Sci. Lett., 176, 357373, 2000.
  • MacLeod, C. J., F. Boudier, G. Yaouancq, and C. Richter, Gabbro fabrics from Site 894, Hess Deep: Implications for magma chamber processes at the East Pacific Rise, Proc. Ocean Drill. Program Sci. Results, 147, 317328, 1996.
  • Manning, C. E., and C. J. MacLeod, Fracture controlled metamorphism of Hess Deep gabbros, Site 894: Constraints on the roots of mid-ocean ridge hydrothermal systems at fast spreading centers, Proc. Ocean Drill. Program Sci. Results, 147, 189212, 1996.
  • Manning, C., P. E. Weston, and K. I. Mahon, Rapid high temperature metamorphism of the East Pacific Rise gabbros from Hess Deep, Earth Planet. Sci. Lett., 144, 123132, 1996.
  • Manning, C. E., C. J. MacLeod, and P. E. Weston, Lower crustal cracking front at fast spreading ridges: evidence from the East Pacific Rise and Oman ophiolite, in Special Paper, 349, edited by Y. Dilek, E. Moores, D. Elthon, and A. Nicolas, pp. 261272, Geol. Soc. of Am., Boulder, Colo., 2000.
  • Marsh, B. D., Crystal size distribution (CSD) in rocks and the kinetics and dynamics of crystallization, Contrib. Mineral. Petrol., 99, 277291, 1988.
  • Marsh, B. D., On the interpretation of crystal size distributions in magmatic systems, J. Petrol., 39, 553599, 1998.
  • McCollom, T. M., and E. L. Shock, Fluid-rock interactions in the lower oceanic crust: Thermodynamic models of hydrothermal alteration, J. Geophys. Res., 103, 547575, 1998.
  • Natland, J. H., and H. J. B. Dick, Melt migration through high-level gabbroic cumulates of the East Pacific Rise at the Hess Deep: The origin of magma lenses and the deep crustal structure of fast-spreading ridges, Proc. Ocean Drill. Program Sci. Results, 147, 2158, 1996.
  • Nicolas, A., C. Freydier, M. Godard, and A. Vauchez, Magma chambers at mid-ocean ridges: how large? Geology, 21, 5356, 1993.
  • Niu, Y., Mantle melting and melt extraction processes beneath ocean ridges: Evidence from abyssal peridotites, J. Petrol., 38, 10471074, 1997.
  • Norman, M. D., N. J. Pearson, A. Sharma, and W. L. Griffin, Quantitative analysis of trace elements in geological materials by laser ablation ICP-MS: Instrumental operating conditions and comparison of NIST glasses, Geostand. Newsl., 20, 247261, 1996.
  • O'Hara, M. J., Are ocean floor basalts primary magma, Nature, 220, 683685, 1968.
  • O'Hara, M. J., Geochemical evolution during fractional crystallization of a periodically refilled magma chamber, Nature, 266, 503507, 1977.
  • O'Hara, M. J., Importance of the ‘shape’ of the melting regime during partial melting of the mantle, Nature, 314, 5862, 1985.
  • Pallister, J. S., and C. A. Hopson, Samail ophiolite plutonic suite — Field relations, phase variation, cryptic variation and layering, and a model of a spreading ridge magma chamber, J. Geophys. Res., 86, 25932644, 1981.
  • Pearce, N. J. G., W. T. Perkins, J. A. Westgate, M. P. Gorton, S. E. Jackson, C. R. Neal, and S. P. Chenery, A compilation of new and published major and trace element data for NIST SRM 610 and NIST SRM 612 glass reference materials, Geostand. Newsl., 21, 115144, 1997.
  • Pedersen, R. B., The nature and significance of magma chamber margins in ophiolites: Examples from the Norwegian Caledonides, Earth Planet. Sci. Lett., 77, 100112, 1986.
  • Pedersen, R. B., J. Malpas, and T. Falloon, Petrology and geochemistry of gabbroic and related rocks from Site 894, Hess Deep, Proc. Ocean Drill. Program Sci. Results, 147, 319, 1996.
  • Phipps Morgan, J., and Y. J. Chen, The Genesis of oceanic crust — magma injection, hydrothermal cooling, and crustal flow, J. Geophys. Res., 98, 62836297, 1993.
  • Quick, J. E., and R. P. Denlinger, Ductile deformation and the origin of layered gabbro in ophiolites, J. Geophys. Res., 98, 14,01514,027, 1993.
  • Regelous, M., Y. Niu, J. I. Wendt, R. Batiza, A. Greig, and K.D. Collerson, Variations in the geochemistry of magmatism on the East Pacific Rise at 10°30′N since 800 ka, Earth Planet. Sci. Lett., 168, 4563, 1999.
  • Richter, C., P. R. Kelso, and C. J. MacLeod, Magnetic fabrics and sources of magnetic susceptibility in lower crustal and upper mantle rocks from Hess Deep, in Proc. Ocean Drill. Program Sci. Results, 147, 393404, 1996.
  • Schwandt, C. S., and G. A. McKay, Rare earth element partition coefficients from enstatite/melt synthesis experiments, Geochim. Cosmochim. Acta, 62, 28452848, 1998.
  • Sobolev, A. V., and N. Shimizu, Ultra-depleted primary melt inclusions in an olivine from the Mid-Atlantic Ridge, Nature, 363, 151154, 1993.
  • Sours-Page, R., K. T. M. Johnson, R. L. Nielsen, and J. L. Karsten, Local and regional variation in MORB parental magmas: Evidence from melt inclusions from the Endeavor Segment of the Juan de Fuca Ridge, Contrib. Mineral. Petrol., 134, 342363, 1999.
  • Stolper, E., A phase diagram for Mid-Ocean Ridge Basalts: Preliminary results and implications for petrogenesis, Contrib. Mineral. Petrol., 74, 1327, 1980.
  • Suhr, G., Melt migration under ocean ridges: Inferences from reactive transport odeled of upper mantle hosted dunites, J. Petrol., 40, 575599, 1999.
  • Weston, P. E., Temperature, timing and fluid composition constraints for high temperature fracturing and hydrous mineral formation in gabbros from Hess Deep, M.Sc. Thesis, Univ. of Calif., Los Angles, 1998.
  • Wood, B. J., and J. V. Walther, Rates of hydrothermal reactions, Science, 222, 413415, 1983.
  • Yaouancq, G., Etude structurale et microstructurale des gabbros supérieus de Hess-Deep (Leg 147, Site 894 d'O.D.P.), MSc. Thesis, Universite Montpellier, Montpellier, France, 1994.