–18°40S, J. Geophys. Res., 101, 8685–8695, 1996.
U.S. Dept. of Commerce / NOAA / OAR / PMEL / Publications
Aballéa, M., J. Radford-Knoery, P. Appriou, H. Bogault, J. L. Charlou, J. P. Donval, J. Etoubleau, Y. Fouquet, C. R. German, and M. Miranda, Manganese distribution in the water column near the Azores Triple Junction along the Mid-Atlantic Ridge and in the Azores domain, Deep-Sea Res. I, 45, 1319–1338, 1998.
A.P.H.A. (American Public Health Assoc.), Standard Methods for the Examination of Water and Wastewater, 16th ed. A.P.H.A., A.W.W.A, and W.P.C.F. joint publication, Washington D.C., 1268 pp., 1985.
Auzende, J.-M., V. Ballu, R. Batiza, D. Bideau, J.-L. Charlou, M. H. Cormier, Y. Fouquet, P. Geistdoerfer, Y. Lagabrielle, J. Sinton, and P. Spadea, Recent tectonic, magmatic, and hydrothermal activity on the East Pacific Rise between 17°S and 19°S: Submersible observations, J. Geophys. Res., 101, 17,995–18,010, 1996.
Bach, W., N. R. Banerjee, H. J. B. Dick, and E. T. Baker, Discovery of ancient and active hydrothermal systems along the ultra-slow spreading Southwest Indian Ridge, 10°–16°E, Geochem. Geophys. Geosyst., 3, 2001GC000279, 2002.
Baker, E. T., and S. R. Hammond, Hydrothermal venting and the apparent magmatic budget of the Juan de Fuca Ridge, J. Geophys. Res., 97, 3443–3456, 1992.
Baker, E. T., and G. J. Massoth, Characteristics of hydrothermal plumes from two vent fields on the Juan de Fuca Ridge, northeast Pacific Ocean, Earth Planet. Sci. Lett., 85, 59–73, 1987.
Baker, E. T., and H. B. Milburn, MAPR: A new instrument for hydrothermal plume mapping, RIDGE Events, 8, 23–25, 1997.
Baker, E. T., and T. Urabe, Extensive distribution of hydrothermal plumes along the superfast-spreading East Pacific Rise, 13°50–18°40S, J. Geophys. Res., 101, 8685–8695, 1996.
Baker, E. T., J. W. Lavelle, and G. J. Massoth, Hydrothermal particle plumes over the southern Juan de Fuca Ridge, Nature, 316, 342–344, 1985.
Baker, E. T., R. A. Feely, M. J. Mottl, F. J. Sansone, C. G. Wheat, J. A. Resing, and J. E. Lupton, Hydrothermal plumes along the East Pacific Rise, 8°40 to 11°50N: Plume distribution and relationship to the apparent magmatic budget, Earth Planet. Sci. Lett., 128, 1–17, 1994.
Baker, E. T., C. R. German, and H. Elderfield, Hydrothermal plumes over spreading-center axes: Global distributions and geological inferences, in Seafloor Hydrothermal Systems: Physical, Chemical, Biological, and Geological Interactions, Geophys. Monogr. Ser., 91, edited by S. Humphris, R. Zierenberg, L. S. Mullineaux, and R. Thomson, pp. 47–71, AGU, Washington D.C., 1995.
Baker, E. T., Y. J. Chen, and J. Phipps Morgan, The relationship between near-axis hydrothermal cooling and the spreading rate of midocean ridges, Earth Planet. Sci. Lett., 142, 137–145, 1996.
Baker, E. T., M.-H. Cormier, C. H. Langmuir, and K. Zavala, Hydrothermal plumes along segments of contrasting magmatic influence, 15°20–18°30N, East Pacific Rise: Influence of axial faulting, Geochem. Geophys. Geosyst., 2, doi:2000GC000165, 2001b.
Baker, E. T., D. A. Tennant, R. A. Feely, G. T. Lebon, and S. L. Walker, Field and laboratory studies on the effect of particle size and composition on optical backscattering measurements in hydrothermal plumes, Deep-Sea Res. I, 48, 593–604, 2001a.
Baker, E. T., R. N. Hey, J. E. Lupton, J. A. Resing, R. A. Feely, J. J. Gharib, G. J. Massoth, F. J. Sansone, M. Kleinrock, F. Martinez, D. F. Naar, C. Rodrigo, D. Bohnenstiehl, and D. Pardee, Hydrothermal venting along Earth’s fastest spreading center: East Pacific Rise, 27.5°–32.3°S, J. Geophys. Res., 107, doi:10.1029/2001JB000651, 2002.
Baker, E. T., H. N. Edmonds, P. J. Michael, W. Bach. H. J. B. Dick, J. E. Snow, S. L. Walker, N. R. Banerjee, and C. H. Langmuir, Hydrothermal venting in magma deserts: The ultraslow-spreading Gakkel and South West Indian Ridges, Geochem., Geophys., Geosyst., 5(8), Q08002, doi:10.1029/2004GC000712, 2004.
Barriga, F. J. A. S., Y. Fouquet, A. Almeida, M. Biscoito, J.-L. Charlou, R. L. P. Costa, A. Dias, A. M. S. F. Marques, J. M. A. Miranda, K. Olu, F. Porteiro, M. G. P. S. Queiroz, Discovery of the Saldanha Hydrothermal Field on the FAMOUS Segment of the MAR (36°30N), Eos Trans. AGU, 79(45), Fall Meet. Suppl., F67, 1998.
Bird, P., An updated digital model of plate boundaries, Geochem. Geophys. Geosyst., 4, 1027, doi:10.1029/ 2001GC000252, 2003.
Boström, K., M. N. A. Peterson, O. Joensuu, and D. E. Fisher, Aluminum-poor ferromangoan sediments on active ocean ridges, J. Geophys. Res., 74, 3261–3270, 1969.
Bougault, H., J. L. Charlou, Y. Fouquet, and H. D. Needham, Activité hydrothermale et structure axiale des dorsales Est-Pacifique et médio-Atlantique, Oceanol. Acta, vol. special 10, 199–207, 1990.
Bougault, H., M. Aballéa, J. Radford-Knoery, J. L. Charlou, P. Jean Baptiste, P. Appriou, H. D. Needham, C. German, and M. Miranda, FAMOUS and AMAR segments on the Mid-Atlantic Ridge: ubiquitous hydrothermal Mn, CH
, 
He signals along the rift valley walls and rift offsets, Earth Planet. Sci. Lett., 161, 1–17, 1998.
Cannat, M., A. Briais, C. Deplus, J. Escartín, J. Georgen, J. Lin, S. Mercouriev, C. Meyzen, M. Muller, G. Pouliquen, A. Rabain, and P. da Silva, Mid-Atlantic Ridge-Azores hotspot interactions: along-axis migration of a hotspot-derived event of enhanced magmatism 10 to 3 Ma ago, Earth Planet. Sci. Lett., 173, 257–269, 1999.
Cannat, M., C. Rommevaux-Jestin, and H. Fujimoto, Melt supply variations to a magma-poor ultra-slow spreading ridge (Southwest Indian Ridge 61° to 69°E), Geochem. Geophys. Geosyst., 4, 9104, doi:10.1029/2002GC000480, 2003.
Cannat, M., J. Cann, and J. Maclennan, Some hard rock constraints on the supply of heat to mid-ocean ridges, in Mid-ocean ridges: Hydrothermal interactions between the lithosphere and oceans, Geophys. Monogr. Ser., vol. 148, edited by C. German, J. Lin, and L. Parson, AGU, Washington, D.C., 111-150, 2004.
Charlou, J. L., and J.-P. Donval, Hydrothermal methane venting between 12°N and 26°N along the Mid-Atlantic Ridge, J. Geophys. Res., 98, 9625–9642, 1993.
Charlou, J. L., H. Bougault, P. Appriou, T. Nelsen, and P. Rona, Different TDM/CH hydrothermal plume signatures: TAG site at 26°N and serpentinized ultrabasic daipir at 15°05N on the Mid-Atlantic Ridge, Geochim. Cosmochim. Acta, 55, 3209–3222, 1991.
Charlou, J. L., J. P. Donval, Y. Fouquet, P. Jean-Baptiste, and N. Holm, Geochemistry of high H
and CH vent fluids issuing from ultramafic rocks at the Rainbow hydrothermal field (36°14N, MAR), Chem. Geol., 191, 345–359, 2002.
Chen Y. J., Influence of the Iceland mantle plume on crustal accretion at the inflated Reykjanes Ridge: Magma lens and low hydrothermal activity?, J. Geophys. Res., 108(B11), 2524, doi:10.1029/ 2001JB000816, 2003.
Chin, C. S., G. P. Klinkhammer, and C. Wilson, Detection of hydrothermal plumes on the Northern Mid-Atlantic Ridge: results from optical measurements, Earth Planet. Sci. Lett., 162, 1–13, 1998.
Corliss, J. B., J. Dymond, L. I. Gordon, J. M. Edmond, R. P. von Herzen, R. D. Ballard, K. Green, D. Williams, A. Bainbridge, K. Crane, and T. H. van Andel, Submarine thermal springs on the Galápagos Rift, Science, 203, 1073–1083, 1979.
Craig, H., and J. E. Lupton, Helium-3 and mantle volatiles in the ocean and the oceanic crust, in The Sea, edited by C. Emiliani, New York, Wiley, 7, 391–428, 1981.
Crane, K., F.A. Aikman III, R. Embley, S. Hammond, A. Malahoff, and J. Lupton, The distribution of geothermal fields on the Juan de Fuca Ridge, J. Geophys. Res., 90, 727–744, 1985.
DeMets, C., R. G. Gordon, D. F. Argus, and S. Stein, Current plate motions, Geophys. J. Int., 101, 425–478, 1990.
de Ronde, C. E. J., G. J. Massoth, E. T. Baker, and J. E. Lupton, Submarine hydrothermal venting related to volcanic arcs, Giggenbach Memorial Volume, in Volcanic, geothermal and ore-forming fluids: Rulers and witnesses of processes within the Earth, edited by S. F. Simmons and I. Graham, Soc. of Econ. Geolog., 10, 91–110, 2003.
Dick, H. J. B., J. Lin, and H. Schouten, An ultraslow-spreading class of ocean ridge, Nature, 426, 405–412, 2003.
Douville, E., J. L. Charlou, E. H. Oelkers, P. Bienvenu, C. F. J. Colon, J. P. Donval, Y. Fouquet, D. Prieur, and P. Appriou, The rainbow vent fluids (36°14 N, MAR): the influence of ultramafic rocks and phase separation on trace metal content in Mid-Atlantic Ridge hydrothermal fluids, Chem. Geol., 184, 37–48, 2002.
Edmonds, H. N., P. J. Michael, E. T. Baker, D. P. Connelly, J. E. Snow, C. H. Langmuir, H. J. B. Dick, R. Mühe, C. R. German, and D. W. Graham, Discovery of abundant hydrothermal venting on the ultraslow-spreading Gakkel Ridge, Arctic Ocean, Nature, 421, 252–256, 2003.
Embley, R. W., J. E. Lupton, G. Massoth, T. Urabe, V. Tunnicliffe, D. A. Butterfield, T. Shibata, O. Okano, M. Kinoshita, and K. Fujioka, Geological, chemical, and biological evidence for recent volcanism at 17.5°S: East Pacific Rise, Earth Planet. Sci. Lett., 163, 131–147, 1998.
Embley, R. W., E. T. Baker, W. W. Chadwick, Jr., J. E. Lupton, J. A. Resing, G. J. Massoth, and K. Nakamura, Explorations of Mariana Arc volcanoes reveal new hydrothermal systems, Eos Trans. AGU, 85(4), 37, 40, 2004.
Escartín, J., M. Cannat, G. Pouliquen, and A. Rabain, Crustal thickness of V-shaped ridges south of the Azores: Interaction of the Mid-Atlantic Ridge (36°–39°N) and the Azores hot spot, J. Geophys. Res., 106, 21,719–21,735, 2001.
Farley, K. A., E. Maier-Reimer, P. Schlosser, and W. S. Broecker, Constraints on mantle He fluxes and deep-sea circulation from an oceanic general circulation model, J. Geophys. Res., 100, 3829–3839, 1995.
Fisher, A. T., Permeability within basaltic oceanic crust, Rev. Geophys., 36, 143–182, 1998.
Fouquet, Y., H. Ondréas, J.-L. Charlou, J.-P. Donval, J. Radford-Knoery, I. Costa, N. Lourenço, and M. K. Tivey, Atlantic lava lakes and hot vents, Nature, 377, 201, 1995.
Fouquet, Y., J. L. Charlou, H. Ondréas, J. Radford-Knoery, J. P. Donval, E. Douville, R. Apprioual, P. Cambon, H. Pell, J. Y. Landur, and A. Normand, Discovery and first submersible investigations on the Rainbow hydrothermal field on the MAR (36°14N), Eos Trans. AGU, 78(46), Fall Meet. Suppl., F832, 1997.
Fouquet, Y., J. L. Charlou, and F. Barriga, Modern seafloor hydrothermal deposits hosted in ultramafic rocks, Geol. Soc. Am. Abstracts with Programs, 34(6), A 194–7, 2002.
Francheteau, J., and R. Ballard, The East Pacific Rise near 21°N, 13°N and 20°S: inferences for along-strike variability of axial processes of the Mid-Ocean Ridge, Earth Planet. Sci. Lett., 64, 93–116, 1983.
Geosecs Atlantic, Pacific, and Indian Ocean Expeditions, 7, Shorebased Data and Graphics, National Science Foundation, U.S. Govt. Print. Office, Washington, D.C., 1987.
German, C. R., Hydrothermal activity on the eastern SWIR (50°-70°E): Evidence from core-top geochemistry, 1887 and 1998, Geochem. Geophys. Geosyst., 4(7), 9102 doi:10.1029/2003GC000522, 2003.
German, C. R., and L. M. Parson, Distributions of hydrothermal activity along the Mid-Atlantic Ridge: Interplay of magmatic and tectonic controls, Earth. Planet. Sci. Lett., 160, 327–341, 1998.
German, C. R., J. Briem, C. Chin, M. Danielsen, S. Holland, R. James, A. Jónsdóttir, E. Ludford, C. Moser, J. Olafsson, M. R. Palmer, and M. D. Rudnicki, Hydrothermal activity on the Reykjanes Ridge: The Steinahóll Vent-field at 63°06N, Earth Planet. Sci. Lett., 121, 647–654, 1994.
German, C. R., E. T. Baker, and G. Klinkhammer, The regional setting of hydrothermal activity, in Hydrothermal Vents and Processes, edited by L. M. Parson, C. L. Walker, and D. R. Dixon, Geol. Soc. Spec. Pub. No. 87, 3–15, 1995.
German, C. R., L. M. Parson, and HEAT Scientific Team, Hydrothermal exploration at the Azores Triple-Junction: Tectonic control of venting at slow-spreading ridges?, Earth Planet. Sci. Lett., 138, 93–104, 1996a.
German C. R., G. P. Klinkhammer, and M. D. Rudnicki, The Rainbow hydrothermal plume, 36°15N, MAR, Geophys. Res. Lett., 23, 2979–2982, 1996b.
German, C. R., L. M. Parson, B. J. Murton, and H. D. Needham, Hydrothermal activity and ridge segmentation on the Mid-Atlantic Ridge: A tale of two hot-spots? in Ridge Segmentation, edited by C. McLeod, C. L. Walker and P. Tyler, Geol. Soc. Spec. Pub. 118, 169–184, 1996c.
German, C. R., E. T. Baker, C. Mevel, K. Tamaki, and the FUJI Scientific Team, Hydrothermal activity along the southwest Indian Ridge, Nature, 395, 490–493, 1998a.
German, C. R., K. J. Richards, M. D. Rudnicki, M. M. Lam, J. L. Charlou, and FLAME Scientific Party, Topographic control of a dispersing hydrothermal plume, Earth Planet. Sci. Lett., 156, 267–273, 1998b.
German, C. R., M. D. Rudnicki, and G. P. Klinkhammer, A segment-scale survey of the Broken Spur hydrothermal plume, Deep-Sea Res. I, 46, 701–714, 1999.
German, C. R., D. P. Connelly, A. J. Evans, L. M. Parson, Hydrothermal activity on the southern Mid-Atlantic Ridge, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract V61B–1361, 2002.
Gràcia, E., J. L. Charlou, J. Radford-Knoery, and L. M. Parson, Non-transform offsets along the Mid-Atlantic Ridge south of the Azores (38°N–34°N): ultramafic exposures and hosting of hydrothermal vents, Earth Planet. Sci. Lett., 177, 89–103, 2000.
Grindlay, N. R., J. A. Madsen, C. Rommevaux-Jestin, and J. Sclater, A different pattern of ridge segmentation and mantle Bouguer gravity anomalies along the ultra-slow spreading Southwest Indian Ridge (15°30E to 25°E), Earth Planet. Sci. Lett., 161, 243–253, 1998.
Haymon, R.M., The response of ridge-crest hydrothermal systems to segmented, episodic magma supply, in Tectonic, Magmatic, Hydrothermal, and Biological Segmentation of Mid-Ocean Ridges, edited by C. J. MacLeod, P. A. Tyler, and C. L. Walker, Geol. Soc. Spec. Pub. 118, 157–168, 1996.
Haymon, R. M., D. J. Fornari, M. H. Edwards, S. Carbotte, D. Wright, and K. C. Macdonald, Hydrothermal vent distribution along the East Pacific Rise crest (9°09–54N) and its relationship to magmatic and tectonic processes on fast-spreading mid-ocean ridges, Earth Planet. Sci. Lett., 104, 513–534, 1991.
Haymon, R. M. et al., Distribution of fine-scale hydrothermal, volcanic, and tectonic features along the EPR crest, 17°15–18°30S: Results of near-bottom acoustic and optical surveys, Eos Trans. AGU, 78(46), Fall Meet. Suppl., Abstract F705, 1997.
Holm, N. G., and J.-L. Charlou, Initial indications of abiotic formation of hydrocarbons in the Rainbow ultramafic hydrothermal system, Mid-Atlantic, Earth Planet. Sci. Lett., 191, 1–8, 2001.
Ishibashi, J., and T. Urabe, Hydrothermal activity related to arc-backarc magmatism in the western Pacific, in Backarc Basins: Tectonics and Magmatism, edited by B. Taylor, pp. 451–495, Plenum Press, New York, 1995.
Ito, G., and J. Lin, Oceanic spreading center-hotspot interactions: Constraints from along-isochron bathymetric and gravity anomalies, Geology, 23, 657–660, 1995.
Jamous, D., L. Mémery, C. Andrié, P. Jean-Baptiste, and L. Merlivat, The distribution of helium 3 in the deep western and southern Indian Ocean, J. Geophys. Res., 97, 2243–2250, 1992.
Jokat, W., O. Ritzmann, M. C. Schmidt-Aursch, S. Drachev, S. Gauger, and J. Snow, Geophysical evidence for reduced melt production on the Arctic ultraslow Gakkel mid-ocean ridge, Nature, 423, 962–965, 2003.
Kadko, D., J. Baross, and J. Alt, The magnitude and global implications of hydrothermal flux, in Seafloor Hydrothermal Systems: Physical, Chemical, Biological, and Geological Interactions, Geophys. Monogr. Ser., 91, edited by S. Humphris, R. Zierenberg, L. S. Mullineaux, and R. Thomson, pp. 446–466, AGU, Washington D.C., 1995.
Kelemen, P., Igneous crystallization beginning at 20 km beneath the Mid-Atlantic Ridge, 14°–16°N, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract V22H-03, 2003.
Kelley, D. S., J. A. Karson, D. K. Blackman, G. Fruh-Green, J. Gee, D. A. Butterfield, M. D. Lilley, E. J. Olson, M. O. Schrenk, K. K. Roe, G. Lebon, P. Rizzigno, J. Cann, B. John, D. K. Ross, S. Hurst, and G. Sasagawa, An off-axis hydrothermal vent field near the Mid-Atlantic Ridge at 30°N, Nature, 412, 145–149, 2001.
Klinkhammer, G., P. Rona, M. Greaves, and H. Elderfield, Hydrothermal manganese plumes in the mid-Atlantic Ridge rift valley, Nature, 314, 727–731, 1985.
Klinkhammer, G., H. Elderfield, M. Greaves, P. Rona, and T. Nelsen, Manganese geochemistry near high-temperature vents in the Mid-Atlantic rift valley, Earth Planet. Sci. Lett., 80, 230–240, 1986.
Krasnov, S. G., G. A. Cherkashev, T. V. Stepanova, B. N. Batuyev, A. G. Krotov, B. V. Malin, M. N. Maslov, V. F. Markov, I. M. Poroshina, M. S. Samovarov, A. M. Ashadze, and I. K. Eromlayev, Detailed geographical studies of hydrothermal fields in the North Atlantic, in Hydrothermal Vents and Processes, edited by L. M. Parson, C. L. Walker, and D. R. Dixon, Geol. Soc. Spec. Pub. 87, 43–64, 1995.
Langmuir, C. H., D. Fornari, D. Colodner, J.-L. Charlou, I. Costa, D. Desbruyeres, D. Desonie, T. Emerson, A. Fiala-Medioni, Y. Fouquet, S. Humphris, L. Saldanha, R. Sours-Page, M. Thatcher, M. Tivey, C. Van Dover, K. Von Damm, K. Weiss, and C. Wilson, Geological setting and characteristics of the Lucky Strike Vent Field at 37°17N on the Mid-Atlantic Ridge, Eos, Trans. AGU, 74 (Fall Supplement), 99, 1993.
Lowell, R. P., and P. A. Rona, Seafloor hydrothermal systems driven by the serpentinization of peridotite, Geophys. Res. Lett., 29, doi:10.1029/2001GL014411, 2002.
Lupton, J. E., Hydrothermal plumes: Near and far field, in Seafloor Hydrothermal Systems: Physical, Chemical, Biological, and Geological Interactions, Geophys. Monogr. Ser., 91, edited by S. Humphris, R. Zierenberg, L. S. Mullineaux, and R. Thomson, pp. 317–346, AGU, Washington D.C., 1995.
Lupton, J. E., Hydrothermal helium plumes in the Pacific Ocean, J. Geophys. Res., 103, 15,853–15,868, 1998.
Lupton, J. E., J.-I. Ishibashi, and D. A. Butterfield, Gas chemistry of hydrothermal fluids along the southern East Pacific Rise, 13.5°–18.5°S, Eos Trans. AGU, 78(46), Fall Meet. Suppl., F706, 1997.
Lupton, J. E., D. Butterfield, M. Lilley, J.-I. Ishibashi, D. Hey, and L. Evans, Gas chemistry of hydrothermal fluids along the East Pacific Rise, 5°S to 32°S, Eos Trans. AGU, 80(46), Fall Meet. Suppl., F1099, 1999.
Michael, P. J., C. H. Langmuir, H. J. B. Dick, J. E. Snow, S. L. Goldstein, D. W. Graham, K. Lehnert, G. Kurras, W. Jokat, R. Mühe, and H. N. Edmonds, Magmatic and amagmatic seafloor generation at the ultraslow-spreading Gakkel Ridge, Arctic Ocean, Nature, 423, 956–961, 2003.
Muller, M. R., T. A. Minshull, and R. S. White, Segmentation and melt supply at the Southwest Indian Ridge, Geology, 27, 867–870, 1999.
Münch, U., C. Lalou, P. Halbach, and H. Fujimoto, Relict hydrothermal events along the super-slow Southwest Indian spreading ridge near 63°56E—mineralogy, chemistry and chronology of sulfide samples, Chem. Geol., 177, 341–349, 2001.
Murton, B. J., G. Klinkhammer, K. Becker, A. Briais, D. Edge, N. Hayward, N. Millard, I. Mitchell, I. Rouse, M. Rudnicki, K. Sayanagi, H. Sloan, and L. Parson, Direct evidence for the distribution and occurrence of hydrothermal activity between 27°N–30°N on the Mid-Atlantic Ridge, Earth Planet. Sci. Lett., 125, 119–128, 1994.
Nelsen, T. A., G. P. Klinkhammer, J. H. Trefrey, and R. P. Trocine, Real-time observations of dispersed hydrothermal plumes using nephelometry: examples from the Mid-Atlantic Ridge, Earth. Planet. Sci. Lett., 81, 245–252, 1986/87.
ODP (Ocean Drilling Program) Leg 106 Scientific Party, Drilling the Snake Pit hydrothermal sulfide deposit on the Mid-Atlantic Ridge, Lat. 23°N, Geology, 14, 1004–1007, 1986.
Parson, L. M., B. J. Murton, R. C. Searle, D. Booth, J. Evans, P. Field, J. Keeton, A. Laughton, E. McAllister, N. Millard, L. Redbourne, I. Rouse, A. Shor, D. Smith, S. Spencer, C. Summerhayes, and C. Walker, En-echelon axial volcanic ridges at the Reykjanes Ridge—A life-cycle of volcanism and tectonics, Earth Planet. Sci. Lett., 117, 73–87, 1993.
Parson L., E. Gràcia, D. Coller, C. German, and D. Needham, Second-order segmentation; the relationship between volcanism and tectonism at the MAR, 38°N–35°40N, Earth Planet. Sci. Lett., 178, 231–251, 2000.
Phipps Morgan, J., and Y. J. Chen, The genesis of oceanic crust: Magma injection, hydrothermal circulation, and crustal flow, J. Geophys. Res., 98, 6283–6297, 1993.
Reid, I., and H. R. Jackson, Oceanic spreading rate and crustal thickness, Mar. Geophys. Res., 5, 165–172, 1981.
Renard, V., R. Hekinian, J. Francheteau, R. D. Ballard, and H. Backer, Submersible observations at the axis of the ultra-fast-spreading East Pacific Rise (17°30 to 21°30S), Earth Planet. Sci. Lett., 75, 339–353, 1985.
Richards, M. A., B. H. Hager, and N. H. Sleep, Dynamically supported geoid highs over hotspots: Observation and theory, J. Geophys. Res., 93, 7690–7708, 1988.
Rona, P. A., G. Klinkhammer, T. A. Nelsen, J. H. Trefry, and H. Elderfield, Black smokers, massive sulfides and vent biota at the mid-Atlantic Ridge, Nature, 321, 33–37, 1986.
Rüth, C., R. Well, and W. Roether, Primordial He in South Atlantic deep waters from sources on the Mid-Atlantic Ridge, Deep-Sea Res. I, 47, 1059–1075, 2000.
Sauter, D., L. Parson, V. Mendel, C. Rommevaux-Jestin, O. Gomez, A. Briais, C. Mevel, and K. Tamaki, TOBI sidescan sonar imagery of the very slow-spreading Southwest Indian Ridge: evidence for along-axis magma distribution, Earth Planet. Sci. Lett., 202, 511–512, 2002.
Scheirer, D. S., E. T. Baker, and K. T. M. Johnson, Detection of hydrothermal plumes along the Southeast Indian Ridge near the Amsterdam-St. Paul hotspot, Geophys. Res. Lett., 25, 97–100, 1998.
Scheirer, D. S., D. W. Forsyth, J. A. Conder, M. A. Eberle, S.-H. Hung, K. T. M. Johnson, and D. W. Graham, Anomalous seafloor spreading of the Southeast Indian Ridge near the Amsterdam-St. Paul Plateau, J. Geophys. Res., 105, 8243–8262, 2000.
Schroeder, T., B. John, and B. R. Frost, Geologic implications of seawater circulation through peridotite exposed at slow-spreading ridges, Geology, 30, 367–370, 2002.
Sinha, M. C., D. A. Navin, L. M. MacGregor, S. Constable, C. Peirce, A. White, G. Heinson, and M. A. Inglis, Evidence for accumulated melt beneath the slow-spreading Mid-Atlantic ridge, Phil. Trans. R. Soc. Lond. A, 355, 233–253, 1997.
Smallwood, J. R., and R. S. White, Crustal accretion at the Reykjanes Ridge, 61°–62°N, J. Geophys. Res., 103, 5185–5201, 1998.
Thurnherr, A. M., K. J. Richards, C. R. German, G. F. Lane-Serff, and K. G. Speer, Flow and mixing in the rift valley of the Mid-Atlantic Ridge, J. Phys. Oceanog., 32, 1763–1778, 2002.
Urabe, T., E. T. Baker, J. Ishibashi, R. A. Feely, K. Marumo, G. J. Massoth, A. Maruyama, K. Shitashima, K. Okamura, J. E. Lupton, A. Sonada, T. Yamazaki, M. Aoki, J. Gendron, R. Green, Y. Kaiho, K. Kisimoto, G. Lebon, T. Matsumoto, K. Nakamura, A. Nishizawa, O. Okano, G. Paradis, K. Roe, T. Shibata, D. Tennant, T. Vance, S. L. Walker, T. Yabuki, and N. Ytow, The effect of magmatic activity on hydrothermal venting along the superfast-spreading East Pacific Rise, Science, 269, 1092–1095, 1995.
Von Damm, K. L., M. K. Brockington, A. M. Bray, K. M. O’Grady, and SouEPR Science Party, SouEOR 98: Extraordinary phase separation and segregation in vent fluids from the Southern East Pacific Rise, Eos Trans. AGU, 80(46), Fall Meet. Suppl., F1098–F1099, 1999.
White, R. S., D. McKenzie, and R. K. O’Nions, Oceanic crustal thickness from seismic measurements and rare earth element inversions, J. Geophys. Res., 97, 19,683–19,715, 1992.
White, R. S., T. A. Minshull, M. J. Bickle, and C. J. Robinson, Melt generation at very slow-spreading oceanic ridges: Constraints from geochemical and geophysical data, J. Petrology, 42, 1171–1196, 2001.
Wright, D. J., R. M. Haymon, S. M. White, and K. Macdonald, Crustal fissuring on the crest of the southern East Pacific Rise at 17º15–40S, J. Geophys. Res., 107, doi:10.1029/2001JB000544, 2002.
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Edward T. Baker, NOAA, Pacific Marine Environmental Laboratory, 7600 Sand Point Way NE, Seattle, WA 98115–6349, U.S.A. (e-mail: edward. baker@noaa.gov).
Christopher R. German, Southampton Oceanographic Centre, Empress Dock, Southampton, SO14 3ZH, UK.
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