Plutonic foundation of a slow-spreading ridge segment: Oceanic core complex at Kane Megamullion, 23°30′N, 45°20′W

Geochemistry, Geophysics, Geosystems

Volumn 9, Issue 5, 2008, Pages

  Dick, Henry J B ^a   Tivey, Maurice A ^a   Tucholke, Brian E ^a  

^a WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

Author keywords

Mid ocean ridge processes

Indexed keywords

EID: 70350780629     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2007GC001645     Document Type: Article

References (147)

1. Agar, S. M., and G. E. Lloyd (1997), Deformation of Fe-Ti oxides in gabbroic shear zones from the MARK area, Proc. Ocean Drill. Program Sci. Results, 153, 123-135.
2. Agar, S. M., J. F. Casey, and P. D. Kempton (1997), Textural, geochemical and isotopic variations in gabbroic shear zones from the MARK area, Mid-Atlantic Ridge, Proc. Ocean Drill. Program Sci. Results, 153, 99-122.
3. Alabaster, T., J. A. Pearce, and J. Malpas (1982), The volcanic stratigraphy and petrogenesis of the Oman Ophiolite Complex, Contrib. Mineral. Petrol., 81, 168-183, doi:10.1007/BF00371294.
4. Arai, S., H. J. B. Dick, and the MODE 2000 Scientific Party (2001), Cruise Report MODE 2000 (Kairei/Kaiko KR00-06) Investigation of Atlantis Bank and the SW Indian Ridge from 57°E to 62°E, 337 pp., Jpn. Mar. Sci. and Technol. Cent., Yokosuka, Japan.
5. Armstrong, R. L., and H. J. B. Dick (1974), A model for the development of thin overthrust sheets of crystalline rock, Geology, 2, 35-40, doi:10.1130/0091-7613(1974)2<35: AMFTDO>2.0.CO;2.
6. Auzende, J.-M., J. Honnorez, Y. Lagabrielle, J. Malavieille, V. Mamaloukas-Frangoulis, and C. Mével (1989a), Direct observation of a section through slow-spreading oceanic crust, Nature, 337, 726-729, doi:10.1038/337726a0. (Pubitemid 19312376)
7. Auzende, J.-M., J. Honnorez, Y. Lagabrielle, J. Malavieille, V. Mamaloukas-Frangoulis, and C. Mével (1989b), L'intersection entre la Zone de Fracture Vema et la dorsale médio-Atlantique: Résultats préliminaires del la campagne Vemanaute, C. R. Acad. Sci. Paris, 309, 1341-1348.
8. Auzende, J.-M., M. Cannat, M. P. Gente, P. J.-P. Henriet, T. Juteau, J. Karson, Y. Lagabrielle, C. Mével, and M. Tivey (1992), Rapport de la Campagne Kanaut du Nautille sur le N/O Nadir, 15 Novembre - 16 Decembre 1992, 426 pp. Ifremer, Brest.
9. Auzende, J.-M., M. Cannat, M. P. Gente, J.-P. Henriet, T. Juteau, J. Karson, Y. Lagabrielle, C. Mével, and M. Tivey (1993), Affleurements des roches profondes de la croûte océanique et du manteau sur le mur sud de la fracture Kane (Atlantique central): Observations par submersible, C. R. Acad. Sci. Paris, 317, 1641-1648.
10. Auzende, J.-M., M. Cannat, M. P. Gente, J.-P. Henriet, T. Juteau, J. Karson, Y. Lagabrielle, C. Mével, and M. Tivey (1994), Observation of sections of oceanic crust and mantle cropping out on the southern wall of Kane FZ (N. Atlantic), Terra Nova, 6, 143-148, doi:10.1111/j.1365-3121.1994.tb00647. x.
11. Blackman, D. K., B. Ildefonse, B. E. John, Y. Ohara, C. J. MacLeod, and Expedition 304/305 Scientists (2006), Proc. Integr. Ocean Drill. Program, 304-305, doi:10.2204/iodp.-proc.304305.302006.
12. Bloomer, S. H., J. H. Natland, and R. L. Fisher (1989), Mineral relationships in gabbroic rocks from fracture zones of Indian Ocean ridges: evidence for extensive fractionation, parental diversity and boundary-layer recrystallization, in Magmatism in the Ocean Basins, edited by A. D. Saunders and M. J. Norry, Geol. Soc. Am. Spec. Publ., 42, 107-124.
13. Bonatti, E., and M. Seyler (1987), Crustal underplating and evolution in the Red Sea Rift: Uplifted gabbro/gneiss crustal complexes on Zabargad and Brothers Islands, J. Geophys. Res., 92, 12,803-12,812.
14. Bonatti, E., A. Peyve, P. Kepezhinskas, N. Kurentsova, M. Seyler, S. Skolotnev, and G. Udintsev (1992), Upper mantle heterogeneity below the Mid-Atlantic Ridge, 0°-15°N, J. Geophys. Res., 97, 4461-4476.
15. Boschi, C., G. L. Frueh-Green, A. G. Delacour, D. S. Kelley, and J. A. Karson (2006), Mass transfer and fluid flow during detachment faulting and development of an oceanic core complex, Atlantis Massif (MAR 30°N), Geochem. Geophys. Geosyst., 7, Q01004, doi:10.1029/2005GC001074.
16. Boudier, F., and A. Nicolas (1972), Fusion partielle gabbroique dans la lherzolite de Lanzo, Bull. Suisse Mineral. Petrogr., 52, 39-56.
17. Braun, M. G., and P. B. Kelemen (2002), Dunite distribution in the Oman Ophiolite: Implications for melt flux through porous dunite conduits, Geochem. Geophys. Geosyst., 3(11), 8603, doi:10.1029/2001GC000289.
18. Bryan, W. B., G. Thompson, and J. N. Ludden (1981), Compositional variation in normal MORB from 22°-25°N: Mid-Atlantic Ridge and Kane Fracture Zone, J. Geophys. Res., 86, 11,815-11,836.
19. Byerlee, J. D., and W. F. Brace (1968), Stick slip, stable sliding, and earthquakes; effect of rock type, pressure, strain rate, and stiffness, J. Geophys. Res., 73, 6031-6037.
20. Cann, J. R., D. K. Blackman, D. K. Smith, E. McAllister, B. Janssen, S. Mello, E. Avgerinos, A. R. Pascoe, and J. Escartin (1997), Corrugated slip surfaces formed at ridge-transform intersections on the Mid-Atlantic Ridge, Nature, 385, 329-332, doi:10.1038/385329a0. (Pubitemid 27053100)
21. Cannat, M. (1991), Plastic deformation at an oceanic spreading ridge: A microstructural study of the Site 735 gabbros (Southwest Indian Ocean), Proc. Ocean Drill. Program Sci. Results, 118, 399-408.
22. Cannat, M. (1993), Emplacement of mantle rocks in the seafloor at mid-ocean ridges, J. Geophys. Res., 98, 4163-4172, doi:10.1029/92JB02221.
23. Cannat, M. (1996), How thick is the magmatic crust at slowspreading oceanic ridges, J. Geophys. Res., 101, 2847-2857.
24. Cannat, M., C. Mevel, and D. Stakes (1991), Normal ductile shear zones at an oceanic spreading ridge: Tectonic evolution of Site 735 gabbros (southwest Indian Ocean), Proc. Ocean Drill. Program Sci. Results, 118, 415-430.
25. Cannat, M., D. Bideau, and H. Bougault (1992), Serpentinized peridotites and gabbros in the Mid-Atlantic Ridge axial valley at 15°370N and 16°52′N, Earth Planet. Sci. Lett., 109, 87-106, doi:10.1016/0012- 821X(92)90076-8.
26. Cannat, M., , J. A. Karson, and D. J. Miller (Eds.) (1995a), Proceedings of Ocean Drill. Program, Initial Reports, 798 pp., Ocean Drilling Program, College Station, Tex.
27. Cannat, M., et al. (1995b), Thin crust, ultramafic exposures, and rugged faulting patterns at theMid-Atlantic Ridge (22°-24°N), Geology, 23, 49-52, doi:10.1130/0091-7613(1995)023< 0049:TCUEAR>2.3.CO;2.
28. Cannat, M., G. Ceuleneer, and J. Fletcher (1997a), Localization of ductile strain and the magmatic evolution of gabbroic rocks drilled at the Mid-Atlantic Ridge (23°N), Proc. Ocean Drill. Program Sci. Results, 153, 77-98.
29. Cannat, M., Y. Lagabrielle, H. Bougault, J. Casey, N. de Coutures, L.Dmitriev, and Y. Fouquet (1997b),Ultramafic and gabbroic exposures at the Mid-Atlantic Ridge: Geologic mapping in the 15°N region, Tectonophysics, 279, 193-213.
30. Casey, J. F., M. G. Braun, T. Fujiwara, T. Matsumoto, P. B. Kelemen, and the Scientific Party (1998), Megamullions along the Mid-Atlantic Ridge between 14 and 16N: Results of Leg 1, JAMSTEC/WHOI Mode 98 survey, Eos Trans. AGU, 79, Fall Meet. Suppl., F920.
31. Cassard, D., A. Nicolas, M. Rabinovitch, J. Moutte, M. Leblanc, and A. Prinzhofer (1981), Structural classification of chromite pods in Southern New Caledonia, Econ. Geol., 76, 805-831.
32. Ceuleneer, G., and A. Nicolas (1985), Structures in podiform chromite from the Maqsad district (Sumail ophiolite, Oman), Mineralium Deposita, 20, 177-185, doi:10.1007/BF00204562.
33. Ceuleneer, G., M. Monnereau, and I. Amri (1996), Thermal structure of a fossil mantle diapir inferred from the distribution of mafic cumulates, Nature, 379, 149-153, doi:10.1038/379149a0. (Pubitemid 26461398)
34. Christeson, G. L., K. D. McIntosh, and J. A. Karson (2007), Inconsistent correlation of seismic layer 2A and lava layer thickness in oceanic crust, Nature, 445, 418-421, doi:10.1038/nature05517. (Pubitemid 46160907)
35. Conference Participants (1973), Penrose Field Conference: Ophiolites, Geotimes, 17, 24-26.
36. Coogan, L., C. J. McCleod, H. J. B. Dick, S. J. Edwards, A. Kvassnes, J. H. Natland, P. T. Robinson, G. Thompson, andM. J. O'Hara (2001),Whole rock geochemistry of gabbros from the Southwest Indian Ridge: Constraints on geochemical fractionations between the upper and lower crust and magma chamber processes at (very) slow-spreading ridges, Chem. Geol., 178, 1-22, doi:10.1016/S0009-2541(00)00424-1. (Pubitemid 32626518)
37. Cormier,M.-H., and R. S. Detrick (1984), Anomalously thin crust in oceanic fracture zones: New seismic constraints from the Kane Fracture Zone, J. Geophys. Res., 89, 10,249-10,266.
38. DeMets, C., R. G. Gordon, D. F. Argus, and S. Stein (1990), Current plate motions, Geophys. J. Int., 101, 425-478, doi:10.1111/j.1365-246X.1990.tb06579. x.
39. Dengo, C. A., and J. M. Logan (1981), Implications of the mechanical and frictional behavior of serpentinite to seismogenic faulting, J. Geophys. Res., 86, 10,771-10,782.
40. Detrick, R. S., M.-H. Cormier, R. A. Prince, D. W. Forsyth, and E. L. Ambos (1982), Seismic constraints on the crustal structure within the Vema fracture zone, J. Geophys. Res., 87, 10,599-10,612.
41. Detrick, R. S., J. Collins, R. Stephen, and S. Swift (1993a), In situ evidence for the nature of the seismic layer 2/3 boundary in oceanic crust, Nature, 370(1994), 288-290.
42. Detrick, R. S., R. S. White, and G. M. Purdy (1993b), Crustal structure on North Atlantic fracture zones, Rev. Geophys., 31, 439-458, doi:10.1029/93RG01952. (Pubitemid 24423438)
43. Dick, H. J. B. (1977), Evidence of partial melting in the Josephine Peridotite, in Magma Genesis, edited by H. J. B. Dick, pp. 59-62, Oreg. Dept. of Geol. and Mineral Indust., Portland, Ore.
44. Dick, H. J. B. (1989), Abyssal peridotites, very slow-spreading ridges and ocean ridge magmatism, in Magmatism in the Ocean Basins, edited by A. D. Saunders and M. J. Norry, Geol. Soc. Am. Spec. Publ., 42, 71-105.
45. Dick, H. J. B., and P. B. Kelemen (1991), Chromian spinel as a petrogenetic indicator of magmagenesis in shallow mantle rocks, Eos Trans. AGU, 72, Fall Meet. Suppl., F142.
46. Dick, H. J. B., S. Arai, J. G. Hirth, B. J. John, and Kr-06 Scientific Party (2001), A subhorizontal cross-section through the crust mantle boundary at the SW Indian Ridge, Geophys. Res. Abstr., 3. (Available at http://www.copernicus.org/EGS/egsga/nice01/programme/abstracts/aai3777.pdf)
47. Dick, H. J. B., G. Thompson, and W. B. Bryan (1981), Lowangle faulting and steady-state emplacement of plutonic rocks at ridge-transform intersections, Eos Trans. AGU, 62, Fall Meet. Suppl., F406.
48. Dick, H. J. B., R. L. Fisher, and W. B. Bryan (1984), Mineralogic variability of the uppermost mantle along mid-ocean ridges, Earth Planet. Sci. Lett., 69, 88-106.
49. Dick, H. J. B., P. S. Meyer, S. Bloomer, S. Kirby, D. Stakes, and C. Mawer (1991a), Lithostratigraphic evolution of an insitu section of oceanic layer 3, Proc. Ocean Drill. Program: Sci. Results, 118, 439-540.
50. Dick, H. J. B., H. Schouten, P. S. Meyer, D. G. Gallo, H. Bergh, R. Tyce, P. Patriat, K. T. M. Johnson, J. Snow, and A. Fisher (1991b), Tectonic evolution of the Atlantis II Fracture Zone, Proc. Ocean Drill. Program Sci. Results, 118, 359-398.
51. Dick, H. J. B., J. H. Natland, and D. J. Miller (Eds.) (1999a), Proceedings of Ocean Drilling Program, Initial Reports (CD-ROM), Ocean Drill. Progr., College Station, Tex.
52. Dick, H. J. B., H. Schouten, B. John, H. Kinoshita, J. H. Natland, C. J. MacLeod, and J. G. Hirth (1999b), Evidence for a "melt lens" equivalent in the lower crust at an ultraslow-spreading ridge, Eos Trans. AGU, 80, Fall Meet. Suppl., F956.
53. Dick, H. J. B., et al. (2000), A Long In-Situ Section of the Lower Ocean Crust: Results of ODP Leg 176 Drilling at the Southwest Indian Ridge, Earth Planet. Sci., 179, 31-51, doi:10.1016/S0012-821X(00)00102-3. (Pubitemid 30452811)
54. Dick, H. J. B., J. Lin, and H. Schouten (2003), An ultraslowspreading class of ocean ridge, Nature, 426, 405-412, doi:10.1038/nature02128. (Pubitemid 37490122)
55. Dick, H. J. B., J. H. Natland, and B. Ildefonse (2006), Past and future impact of deep drilling in the oceanic crust and mantle, Oceanography (Wash. D.C.), 19, 72-80.
56. Escartin, J., and M. Cannat (1999), Ultramafic exposures and the gravity signature of the lithosphere near the Fifteen-Twenty Fracture Zone (Mid-Atlantic Ridge, 14°-16.5°N), Earth Planet. Sci. Lett., 171, 411-424, doi:10.1016/S0012-821X(99)00169-7.
57. Fox, P. J., E. Schreiber, H. Rowlett, and K. McCamy (1976), The geology of the Oceanographer Fracture Zone: A model for fracture zones, J. Geophys. Res., 81, 4117-4128.
58. Fox, P. J., et al. (1985), The geology of the Oceanographer Transform: The transform domain, Mar. Geophys. Res., 7, 329-358, doi:10.1007/BF00316773.
59. Francheteau, J., P. Choukroune, R. Hekinian, X. Le Pichon, and H. D. Needham (1976), Oceanic fracture zones do not provide deep sections in the crust, Can. J. Earth Sci., 13, 1223-1235.
60. Fujimoto, H., N. Seama, J. Lin, T. Matusumoto, T. Tanaka, and K. Fujioka (1996), Gravity anomalies of the Mid-Atlantic Ridge north of the Kane fracture zone, Geophys. Res. Lett., 23, 3431-3434.
61. Fujimoto, H., C. Mevel, M. Cannat, K. Fujioka, T. Gamo, C. R. German, U. Muench, S. Ohta, L. M. Parson, and R. C. Searle (1998), Preliminary Results from the First Submersible Dives on the Southwest Indian Ridge, Eos Trans. AGU, 79, Fall Meet. Suppl., F893.
62. Gao, D., J. A. Karson, J. R. Delaney, and F. N. Speiss (1998), Computer-aided interpretation of side-looking sonar images from the eastern intersection of the Mid-Atlantic Ridge with the Kane Transform, J. Geophys. Res., 103, 20,997-21,014.
63. Gente, P., R. A. Pockalny, C. Durand, C. Deplus, M. Maia, G. Ceuleneer, C. Mével, M. Cannat, and C. Laverne (1995), Characteristics and evolution of the segmentation of the Mid-Atlantic Ridge between 20°N and 24°N during the last 10 million years, Earth Planet. Sci. Lett., 129, 55-71, doi:10.1016/0012-821X(94)00233-O.
64. Ghose, I. (1997), Fusion du manteau et cristallisation des roches gabbroiques pres de faille tranformante Kane (Océan Atlantique), Ph.D. thesis, 226 pp, Univ. de Paris VII, Paris, France.
65. Ghose, I., M. Cannat, and M. Seyler (1996), Transform fault effect on mantle melting in the MARK area (Mid-Atlantic Ridge south of the Kane Transform), Geology, 24, 1139-1142, doi:10.1130/0091-7613(1996)024<1139: TFEOMM> 2.3.CO;2.
66. Grindlay, N. R., P. J. Fox, and K. C. MacDonald (1991), Second-order ridge axis discontinuities in the south Atlantic: Morphology, structure and evolution, Mar. Geophys. Res., 13, 21-49, doi:10.1007/BF02428194.
67. Hirauchi, K. (2004), Structural Analysis of Serpentinite in the Jikkoku Pass Area, Northwestern Kanto Mountains, Central Japan, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract T51A-0443.
68. Hirauchi, K. (2005), Serpentine minerals and their textural changes on solid intrusion tectonics of the Kurosegawa Belt in the northwestern Kanto Mountains, central Japan, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract V51B-1480.
69. Hirauchi, K. (2006a), Identification of tectonically controlled serpentinite intrusion: Examples from Franciscan serpentinites, Gorda, California, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract T31C-0463.
70. Hirauchi, K. (2006b), Serpentinite textural evolution related to tectonically controlled solid-state intrusion along the Kurosegawa Belt, northwestern Kanto Mountains, central Japan, I. Arc, 15, 156-164, doi:10.1111/j.1440-1738.2006.00521.x. (Pubitemid 43349093)
71. Hosford, A., M. Tivey, and T. Matsumoto (1999), The spreading history, segmentation, and crustal structure of the Atlantis Segment, Southwest Indian Ridge, Eos Trans. AGU, 80(46), Fall Meet. Suppl., F956.
72. Houtz, R., and J. I. Ewing (1979), Acoustic stratigraphy and structure of the oceanic crust, in Deep Drilling Results in the Atlantic Ocean: Ocean Crust, edited by M. Talwani et al., pp. 1-14, AGU, Washington, D. C.
73. Hubbert, M. K., and W. W. Rubey (1959), Mechanics of fluidfilled porous solids and its application to overthrust faulting (Part) 1 of Role of fluid pressure in mechanics of overthrust faulting, Geol. Soc. Am. Bull., 70, 115-166, doi:10.1130/0016-7606(1959)70[115:ROFPIM]2.0.CO;2.
74. Jaroslow, G. E., G. Hirth, and H. J. B. Dick (1996), Abyssal peridotite mylonites: implications for grain-size sensitive flow and strain localization in the oceanic lithosphere, Tectonophysics, 256, 17-37, doi:10.1016/0040-1951(95) 00163-8.
75. Karson, J. A. (1990), Seafloor spreading on the Mid-Atlantic Ridge: Implications for the structure of ophiolites and oceanic lithosphere produced in slow-spreading environments, in Ophiolites: Oceanic Crustal Analogues, edited by J. Malpas, E. M. Moores, A. Panyiotou, and C. Xenophontos, pp. 547-555, Geol. Surv. Dept., Nicosia, Cyprus.
76. Karson, J. A. (1998), Internal structure of oceanic lithosphere: A perspective from tectonic windows, in Faulting and Magmatism at Mid-Ocean Ridges, edited by W. Buck, P. T. Delaney, J. A. Karson, and Y. Lagabrielle, pp. 177-218, AGU, Washington, D. C.
77. Karson, J. A. (1999), Geological investigation of a lineated massif at the Kane Transform Fault: implications for oceanic core complexes, Phil. Trans. R. Soc. London, Ser. A, 357, 713-740, doi:10.1098/rsta.1999.0350.
78. Karson, J. A., and H. J. B. Dick (1983), Tectonics of ridgetransform intersections at the Kane Fracture Zone, Mar. Geophys. Res., 6, 51-98, doi:10.1007/BF00300398.
79. Karson, J. A., and H. J. B. Dick (1984), Deformed and metamorphosed oceanic crust on the Mid-Atlantic Ridge, Contrib. 5648, pp. 279 - 301, Woods Hole Oceanogr. Inst., Woods Hole, Mass.
80. Karson, J. A., and P. J. Fox (1986), Geological and geophysical investigation of the Mid-Cayman Spreading Centre: Seismic velocity measurements and implications for the constitution of layer 3, Geophys. J. R. Astron. Soc., 85, 389-411.
81. Karson, J. A., and R. M. Lawrence (1997), Tectonic setting of serpentinite exposures on the western median valley wall of the MARK Area in the vicinity of Site 920, Proc. Ocean Drill. Program Sci. Results, 179, 5-22.
82. Karson, J. A., and P. A. Rona (1990), Block-tilting, transfer faults, and structural control of magmatic and hydrothermal processes in the TAG area, Mid-Atlantic Ridge 26°N, Geol. Soc. Am. Bull., 102, 1635-1645, doi:10.1130/0016-7606(1990)102<1635:BTTFAS>2.3.CO;2.
83. Karson, J. A., and A. T. Winters (1992), Along-axis variations in tectonic extension and accommodation zones in the MARK Area, Mid-Atlantic Ridge 23°N latitude, in Ophiolites and their Modern Oceanic Analogues, edited by L. M. Parson, B. J. Murton, and P. Browing, Geol. Soc. Spec. Publ., 60, 107-116.
84. Karson, J. A., et al. (1984), The geology of the oceanographer transform: The ridge-transform intersection, Mar. Geophys. Res., 6, 109-141, doi:10.1007/BF00285956.
85. Karson, J. A., J. R. Delaney, F. N. Speiss, S. D. Hurst, B. Lawhead, S. Bigger, D. D. Naidoo, and P. Gente (1992), Deep-Tow operations at the eastern intersection of the Mid-Atlantic Ridge and the Kane Fracture Zone, Eos Trans. AGU, 73, Fall Meet. Suppl., F552.
86. Karson, J. A., M. Cannat, J. Miller, and D. Elthon (Eds.) (1997), Proceedings of Ocean Drilling Program, Science Results, 577 pp., Ocean Drill. Progr., College Station, Tex.
87. Karsten, J., et al. (1999), The northern Chile Ridge revealed: Preliminary cruise report of PANORAMA Expedition Leg 04, InterRidge News, 8, 15-21.
88. Kelemen, P. B. (1990), Reaction between ultramafic rock and fractionating basaltic magma II. Experimental investigation of reaction between olivine tholeiite and harzburgite at 1150-1050°C and 5 kb, J. Petrol., 31, 99-134.
89. Kelemen, P. B., and H. J. B. Dick (1995), Focused melt flow and localized deformation in the upper mantle: Juxtaposition of replacive dunite and ductile shear zones in the Josephine peridotite, SW Oregon, J. Geophys. Res., 100, 423-438, doi:10.1029/94JB02063.
90. Kelemen, P. B., G. Hirth, N. Shimizu, M. Speigelman, and H. Dick (1997), A review of melt migration processes in the adiabatically upwelling mantle beneath oceanic spreading ridges, Phil. Trans. R. Soc. London, Ser. A, 355, 283-318.
91. Kelley, D. S., and G. Früh-Green (2001), Volatile lines of descent in submarine plutonic environments: insights from stable isotopes and fluid inclusion analyses, Geochim. Cosmochim. Acta, 65, 3325-3346, doi:10.1016/S0016-7037(01)00667-6. (Pubitemid 33001925)
92. Klein, E. M., and C. H. Langmuir (1987), Global correlations of ocean ridge basalt chemistry with axial depth and crustal thickness, J. Geophys. Res., 92, 8089-8115.
93. Kuo, B.-Y., and D. W. Forsyth (1988), Gravity anomalies of the ridge-transform system in the South Atlantic between 31 and 34.5°S: Upwelling centers and variations in crustal thickness, Mar. Geophys. Res., 10, 205-232, doi:10.1007/BF00310065.
94. Kushiro, I. (1968), Compositions of magmas formed by partial zone melting of the earth's upper mantle, J. Geophys. Res., 73, 619-634.
95. Lagabrielle, Y., V. Mamaloukas-Frangoulis, M. Cannat, J.-M. Auzende, J. Honnorez, C. Mével, and E. Bonatti (1992), Vema Fracture Zone (Central Atlantic): Tectonic and magmatic evolution of the Median Ridge and the Eastern Ridge-Transform Intersection Domain, J. Geophys. Res., 97, 17,331-17,351.
96. Lagabrielle, Y., D. Bideau, M. Cannat, J. A. Karson, and C. Mével (1998), Ultramafic-mafic plutonic rocks suites exposed along the Mid-Atlantic Ridge (10°N-30°N): Symmetrical-asymmetrical distribution and implications for seafloor spreading processes, in Faulting and Magmatism at Mid-Ocean Ridges, edited by W. Buck, P. T. Delaney, J. A. Karson, and Y. Lagabrielle, pp. 153-176, AGU,Washington, D. C.
97. Lago, B. L., M. Rabinowicz, and A. Nicolas (1982), Podiform chromite ore bodies: A genetic model, J. Petrol., 23, 103-125.
98. Leblanc, M., C. Dupuy, D. Cassard, J. Moutte, A. Nicolas, A. Prinzhoffer, M. Rabinovitch, and P. Routhier (1980), Essai sur la genese des corps podiformes de chromitite dans les peridotites ophiolitiques: Etude des chromites de Nouvelle-Caledonie et comparaison avec celles de Mediterranee orientale, Proc. Int. Ophiolite Symp. Cyprus, 1979, 691-695.
99. Le Roex, A. P., H. J. B. Dick, A. M. Reid, and A. J. Erlank (1982), Ferrobasalts from the Spiess Ridge segment of the Southwest Indian Ridge, Earth Planet. Sci. Lett., 60, 437-451, doi:10.1016/0012-821X(82)90079-6.
100. Lin, J., and J. Phipps Morgan (1992), The spreading rate dependence of three-dimensional mid-ocean ridge gravity structure, Geophys. Res. Lett., 19, 13-16.
101. Lissenberg, J., and H. Dick (2006), Melt-rock reaction in oceanic gabbros and its implications for the genesis of mid-ocean ridge basalt, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract V23E-0695.
102. Maia, P., and P. Gente (1998), Three dimensional gravity and bathymetric analysis of the mid-Atlantic ridge between 20°N and 24°N: flow geometry and temporal evolution of the segmentation, J. Geophys. Res., 103, 951-974.
103. Mamaloukas-Frangoulis, V., J.-M. Auzende, D. Bideau, E. Bonatti, M. Cannat, J. Honnorez, Y. Lagabrielle, J. Malavielle, C. Mével, and H. D. Needham (1991), In situ study of the eastern ridge transform intersection of the Vema Fracture Zone, Tectonophysics, 190, 55-71, doi:10.1016/0040-1951(91)90354- U.
104. Manning, A. H., and J. M. Bartley (1994), Postmylonitic deformation in the Raft River metamorphic core complex, northwestern Utah: Evidence of a rolling hinge, Tectonics, 13, 596-612.
105. Matsumoto, T., H. J. B. Dick, and A. B. C. D. E. Cruise (2002), In-situ observation of the lower crust and upper mantle lithology in Atlantis Bank, SWIR: Results from ABCDE Cruise, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract T11A-1239.
106. Mével, C., M. Cannat, P. Gente, E. Marion, J. M. Auzende, and J. A. Karson (1991), Emplacement of deep crustal and mantle rocks on the west wall of the MARK area (Mid- Atlantic Ridge, 23°N), Tectonophysics, 190, 31-53, doi:10.1016/0040-1951(91)90353-T.
107. Michael, P. J., C. H. Langmuir, H. J. B. Dick, J. E. Snow, S. L. Goldstein, D. W. Graham, K. Lehnert, G. Kurras, R. Mühe, and H. N. Edmonds (2003), Magmatic and amagmatic seafloor spreading at the slowest mid-ocean ridge: Gakkel Ridge, Arctic Ocean, Nature, 423, 956-961, doi:10.1038/ nature01704. (Pubitemid 36806904)
108. Miranda, E. A., B. E. John, G. Hirth, and H. Dick (2002), Structural development of an oceanic detachment fault system, Atlantis Bank, Southwest Indian Ridge, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract T11A-1234.
109. Mitchell, N. C., and S. Allerton (1998), Detachment faults at mid-ocean ridges garner interest, Eos Trans. AGU, 79(10), 127, doi:10.1029/98EO00095.
110. Moore, D. E., and D. A. Lockner (2007), Comparative deformation behavior of minerals in serpentinized ultramafic rock: Application to the slab-mantle interface in subduction zones, Int. Geol. Rev., 49, 401-415, doi:10.2747/0020-6814. 49.5.401.
111. Morris, E., and R. S. Detrick (1991), Three-dimensional analysis of gravity anomalies in the MARK area, Mid-Atlantic Ridge 23 degrees N, J. Geophys. Res., 96, 4355-4366, doi:10.1029/90JB02173.
112. Muller, M. R., C. J. Robinson, T. A. Minshull, R. S. White, and M. J. Bickle (1997), Thin crust beneath ocean drilling program borehole 735B at the Southwest Indian Ridge?, Earth Planet. Sci. Lett., 148, 93-107, doi:10.1016/S0012-821X(97)00030-7.
113. Mutter, C. Z., and J. C. Mutter (1993), Variations in thickness of layer 3 dominate oceanic crustal structure, Earth Planet. Sci. Lett., 117, 295-317, doi:10.1016/0012-821X(93)90134-U.
114. Natland, J. H. (2002), Magnetic susceptibility as an index of lithology and composition of gabbros, ODP Leg 176, Hole 735B, Southwest Indian Ridge, Proc. Ocean Drill. Program Sci. Results, 176, 69.
115. Natland, J. H., and H. J. B. Dick (2001), Formation of the lower ocean crust and the crystallization of gabbroic cumulates at a very slow-spreading ridge, J. Volcanol. Geotherm. Res., 110, 191-233, doi:10.1016/S0377-0273(01) 00211-6. (Pubitemid 34057220)
116. Natland, J. H., H. J. B. Dick, D. J. Miller, and R. P. Von Herzen (Eds.) (2002), Proceedings of Ocean Drilling Program, Scientific Results [CD-ROM], Ocean Drill. Program, College Station, Tex.
117. Nicolas, A. (1986), A melt extraction model based on structural studies in mantle peridotites, J. Petrol., 27, 999-1022.
118. Nicolas, A. (1989), Structures of Ophiolites and Dynamics of Oceanic Lithosphere, 367 pp., Springer, New York.
119. O'Hara, M. J. (1968), Are oceanic basalts primary magma?, Nature, 220, 683-686, doi:10.1038/220683a0.
120. Ohara, Y., T. Yoshida, Y. Kato, and S. Kasuga (2001), Giant megamullion in the Parece Vela backarc basin, Mar. Geophys. Res., 22, 47-61, doi:10.1023/A:1004818225642. (Pubitemid 32300390)
121. Okino, K., K. Matusuda, D. M. Christie, Y. Nogi, and K. Koizumi (2004), Development of an oceanic detachment and asymmetric spreading at the Australian-Antarctic Discordance, Geochem. Geophys. Geosyst., 5, Q12012, doi:10.1029/2004GC000793.
122. OTTER (Oceanographer Tectonic Research Team) (1984), The geology of the Oceanographer Transform: the ridge-trans form intersection, Mar. Geophys. Res., 6, 109-141, doi:10.1007/BF00285956
123. Pockalny, R. A., R. S. Detrick, and P. J. Fox (1988), Morphology and tectonics of the Kane Transform from sea beam bathymetry data, J. Geophys. Res., 93, 3179-3193.
124. Pockalny, R. A., A. Smith, and P. Gente (1995), Spatial and temporal variability of crustal magnetization of a slowly spreading ridge; Mid-Atlantic Ridge (20 degrees-24 degrees N), Mar. Geophys. Res., 17, 301-320, doi:10.1007/BF01203467.
125. Purdy, G. M., and R. S. Detrick (1986), Crustal structure of the Mid-Atlantic Ridge at 23°N from seismic refraction studies, J. Geophys. Res., 91, 3739-3762.
126. Purdy, G. M., and J. Ewing (1986), Seismic structure of the ocean crust, in The Western North Atlantic Region, edited by P. R. Vogt and B. E. Tucholke, p. 100, Geol. Soc. of Am., Boulder, Colo.
127. Purdy, G. M., P. D. Rabinowitz, and H. Schouten (1978), The Mid-Atlantic Ridge at 23°N: Bathymetry and magnetics, Init. Rep. Deep Sea Drilling Proj., XLV, 119-128.
128. Python, M., and G. Ceuleneer (2003), Nature and distribution of dykes and related melt migration structures in the mantle section of the Oman Ophiolite, Geochem. Geophys. Geosyst., 4(7), 8612, doi:10.1029/2002GC000354.
129. Quick, J. E. (1981), Petrology and petrogenesis of the Trinity Peridotite, an upper mantle diapir in the Eastern Klamath Mountains, Northern California, J. Geophys. Res., 86, 11,837-11,863.
130. Quick, J. E. (1982), The origin and significance of large, tabular dunite bodies in the Trinity Peridotite, Northern California, Contrib. Mineral. Petrol., 78, 413-422, doi:10.1007/BF00375203.
131. Reston, T. J., W. Weinrebe, I. Grevemeyer, E. R. Flueh, N. C. Mitchell, L. Kirstein, C. Kopp, and H. Kopp (2002), A rifted inside corner massif on the Mid-Atlantic Ridge at 5°S, Earth Planet. Sci. Lett., 200, 255-269, doi:10.1016/S0012-821X(02)00636-2. (Pubitemid 34731707)
132. Schulz, N. J., R. S. Detrick, and S. P. Miller (1988), Two- and three-dimensional inversions of magnetic anomalies in the MARK Area (Mid-Atlantic Ridge 23°N, Mar. Geophys. Res., 10, 41-57, doi:10.1007/BF02424660.
133. Searle, R. C., P. Patriat, G. Pouliquen, C. Mevel, K. Tamaki, and FUJI Scientific Team (1998), TOBI Sidescan imagery and magnetics of the Southwest Indian Ridge III: Detailed history and tectonic style of seafloor spreading and detachment faulting, 0-3 Ma, 63°30E-63°560E (FUJI box 3), Eos Trans. AGU, 79, Fall Meet. Suppl., F855.
134. Shipboard Scientific Party (1999), Leg 179 summary, in Proceedings of Ocean Drilling Program, Initial Reports, vol.179, edited by T. L. Pettigrew, J. F. Casey, and D. J. Miller, pp. 1-26, Ocean Drill. Program, College Station, Tex.
135. Shipboard Scientific Party (2004), Leg 209 Summary, in Proceedings of Ocean Drilling Program, Initial Reports, vol.209, edited by P. B. Kelemen, E. Kikawa, and D. J. Miller, pp. 1-139, Ocean Drill. Program, College Station, Tex.
136. Stakes, D., C. Mével, M. Cannat, and T. Chaput (1991), Metamorphic stratigraphy of Hole 735B, Proc. Ocean Drill. Program Sci. Results, 118, 153-180.
137. Stroup, J. B., and P. J. Fox (1981), Geologic investigations in the Cayman Trough: Evidence for thin oceanic crust along the Mid-Cayman Rise, J. Geol., 89, 395-420.
138. Tolstoy, M., A. J. Harding, and J. A. Orcutt (1993), Crustal thickness on the Mid-Atlantic Ridge: Bull's-eye gravity anomalies and focused accretion, Science, 262, 726-729, doi:10.1126/science.262.5134.726.
139. Tucholke, B. E., and J. Lin (1994), A geological model for the structure of ridge segments in slow-spreading ocean crust, J. Geophys. Res., 99, 11,937-11,958, doi:10.1029/94JB00338.
140. Tucholke, B. E., and H. Schouten (1988), Kane Fracture Zone, Mar. Geophys. Res., 10, 1-39, doi:10.1007/BF02424659.
141. Tucholke, B. E., J. Lin, and M. C. Kleinrock (1996), Mullions, megamullions, and metamorphic core complexes on the Mid-Atlantic Ridge, Eos Trans. AGU, 77, Fall Meet. Suppl., F724.
142. Tucholke, B. E., J. Lin, and M. C. Kleinrock (1998), Megamullions and mullion structure defining oceanic metamorphic core complexes on the Mid-Atlantic Ridge, J. Geophys. Res., 103, 9857-9866.
143. Tucholke, B. E., K. Fujioka, T. Ishitara, G. Hirth, and M. Kinoshita (2001), Submersible study of an oceanic megamullion in the central North Atlantic, J. Geophys. Res., 106, 16,145-16,161, doi:10.1029/2001JB000373.
144. White, R. S., R. S. Detrick, M. C. Sinha, and M. H. Cormier (1984), Anomalous seismic crustal structure of oceanic fracture zones, Geophys. J. R. Astron. Soc., 79, 779-798.
145. White, R. S., D. McKenzie, and R. K. Onions (1992), Oceanic crustal thickness from seismic measurements and rare earth element inversions, J. Geophys. Res., 97, 19,683-19,715, doi:10.1029/92JB01749.
146. Whitehead, J. A., Jr., H. J. B. Dick, and H. Schouten (1984), A mechanism for magmatic accretion under spreading centres, Nature, 312, 146-148, doi:10.1038/312146a0.
147. Williams, C. M. (2007), Oceanic lithosphere magnetization: Marine magnetic investigations of crustal accretion and tectonic processes in mid-ocean ridge environments, Ph.D. thesis, 285 pp, Mass. Inst. of Technol., Woods Hole Oceanogr. Inst., Woods Hole, Mass.