Detailed volcanic geology of the MARNOK area, Mid-Atlantic Ridge north of Kane transform

Geological Society Special Publication

Volumn 118, Issue , 1996, Pages 61-102

  Lawson, Kate ^a,d   Searle, Roger C ^a   Pearce, Julian A ^a   Browning, Paul ^b   Kempton, Pamela ^c  

^a DURHAM UNIVERSITY   (United Kingdom)

^b UNIVERSITY OF BRISTOL   (United Kingdom)

^c NATURAL ENVIRONMENT RESEARCH COUNCIL   (United Kingdom)

^d NAM BV   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 6044273560     PISSN: 03058719     EISSN: None     Source Type: Book Series    
DOI: 10.1144/GSL.SP.1996.118.01.05     Document Type: Article

References (110)

1. ABRAMS, L. J., DETRICK, R. S. & FOX, P. J. 1988. Morphology and crustal structure of the Kane fracture zone transverse ridge. Journal of Geophysical Research, 93, 3195-3210.
2. ALLERTON, S., MURTON, B. J., SEARLE, R. C. & JONES, M . 1995. Extensional faulting and segmentation of the Mid-Atlantic Ridge north of the Kane fracture zone (24°00'N to 24°40'N). Marine Geophysical Researches, 17, 37-61.
3. _, SEARLE, R. C. & MURTON, B. J. 1996. Bathymetric segmentation and faulting on the Mid-Atlantic Ridge, 24°00'N to 24°00'N This volume.
4. AUMENTO, F. 1968. The Mid-Atlantic Ridge near 45°N. II. Basalts from the area of Confederation Peak. Canadian Journal of Earth Science, 5, 1-21.
5. BALLARD, R. D. & VAN ANDEL, T. H. 1977. Morphology and tectonic of the inner rift valley at lat. 36°50'N on the Mid-Altantic Ridge. Geological Society of America Bulletin, 88, 507-530.
6. _, FRANCHETEAU, J., JUTEAU, T., RANGAN, C. & NORMARK, W. 1981. East Pacific Rise at 21°N: The volcanic, tectonic and hydrothermal processes of the central axis. Earth and Planetary Science Letters, 55, 1-10.
7. _, HOLCOMB, R. T. & VAN ANDEL, T. H. 1989. The Galapagos Rift at 86°W: Sheet Flows, Collapse Pits and Lava Lakes of the Rift Valley. Journal of Geophysical Research, 84, 5407-5422.
8. BATIZA, R. & VANKO, D. 1983. Volcanic development of small conic central volcanoes on the flanks of the East Pacific Rise: inferred from narrow beam echo sounder surveys. Marine Geology, 54, 53-90.
9. _, FOX, P. J., VOGT, P. R., CANDE, S. C., GRINDLAY, N. R., MELSON, W. G. & O'HEARN, T. 1989. Morphology, abundance, and chemistry of near-ridge seamounts in the vicinity of the Mid-Atlantic Ridge c. 26°S. Journal of Geology, 97, 209-220.
10. BENDER, J. F., LANGMUIR, C. H. & HANSON, G. N. 1984. Petrogenesis of basalt glasses from the Tamayo Region, East Pacific Rise. Journal of Petrology, 25, 213-254.
11. BJÖRNSSON, A. 1985. Dynamics of crustal rifting in NE Iceland. Journal of Geophysical Research, 90, 10151-10162.
12. _, JOHNSEN, S., SIGURDSSON & THORBERGSSON, G. 1979. Rifting of the Plate Boundary in North Iceland 1975-1978. Journal of Geophysical Research, 84, 3029-3038.
13. CANN, J. R., SMITH, D. K., BROOKS, B., DOUGHERTY, M. E., GARLAND, S., KEETON, J., LIN, J., MCALLISTER, E., MACLEOD, C., PASCOE, R. & SPENCER, S. 1992. Building the crust at the Mid Atlantic Ridge. RRS Charles Darwin Cruise 65. University of Leeds, UK.
14. CARBOTTE, S., WELCH, S. & MACDONALD, K. C. 1990. Spreading rates and offset histories of the southern MAR 31°-34°30'S, 25°-27°30'S. Marine Geophysical Researches, 13, 51-80.
15. CHRISTIE, D. & SINTON, J. M. 1981. Evolution of abyssal lavas along propagation segments of the Galapagos spreading center. Earth and Planetary Science Letters, 56, 321-335.
16. CORMIER, M. H., DETRICK, R. S. & PURDY, G. M. 1984. Anomalously thin crust in oceanic fracture zones: New seismic constraints from the Kane fracture zone. Journal of Geophysical Research, 89, 10249-10266.
17. CRANE, K. 1985. The spacing of rift axis highs: dependence upon diapiric processes in the underlying asthenosphere? Earth and Planetary Science Letters, 72, 405-414.
18. DELANY, P. & POLLARD, D. D. 1982. Solidification of basaltic magma during flow in a dike. American Journal of Science, 282, 856-885.
19. DEMETS, C., GORDON, R. G., ARGUS, D. F. & STEIN, S. 1990. Current Plate Motions. Geophysical Journal International., 101, 425-478.
20. DEPLUS, C., MAIA, M., ASLANIAN, D. & GENTE, P. 1992. Segmentation of the Mid-Atlantic Ridge south of the Kane Faracture Zone revealed by gravity anomalies. EOS, Transactions American Geophysical Union, 73, 568.
21. DETRICK, R. S., MUTTER, J. C., BUHL, P. & KIM, I. I. 1990. No evidence from multichannel reflection data for a crustal magma chamber in the MARK area on the Mid-Atlantic Ridge. Nature, 347, 61-64.
22. _, NEEDHAM, H. D. & RENARD, V. 1995. Gravity anomalies and crustal thickness variations along the Mid-Atlantic Ridge between 33°N and 40°N. Journal of Geophysical Research, 100, 3767-3787.
23. DEVEY, C. W., GARBE-SCHONBERG, C. D., STOFFERS, P., CHAUVEL, C. & MERTZ, D. F. 1994. Geochemical effects of dynamic melting beneath ridges: Reconciling major and trace element variations in Kolbeinsey (and global) mid-ocean ridge basalt. Journal of Geophysical Research, 99, 9077-9095.
24. DONALDSON, C. H. & BROWN, R. W. 1977. Refractory megacrysts and magnesium rich melt inclusions within spinel in oceanic tholeiites: Indicators of magma mixing and parental magma composition. Contributions to Mineralogy and Petrology, 37, 81-89.
25. DRAGONI, M. & TALLARICO, A. 1994. The effects of crystallisation on the rheology and dynamics of lava flows. Journal of Volcanology and Geothermal Research, 59, 241-252.
26. DUNCAN, R. A. & GREEN, D. H. 1980. Role of multistage melting in the formation of oceanic crust. Geology, 8, 22-26.
27. DUNGAN, M. A. & RHODES, J. M. 1978. Residual glasses and melt inclusions in basalts from DSDP legs 45 and 46: evidence for magma mixing. Contributions to Mineralogy and Petrology, 67, 417-131.
28. ELLIOT, T. R., HAWKESWORTH, C. J. & GROSVOLD, K. 1991. Dynamic melting of the Iceland Plume. Nature, 351, 201-206.
29. FORNARI, D. J., BATIZA, R. & LUCKMAN, A. M. 1987. Seamount abundances and distribution near the East Pacific Rise 0-24°N based on Seabeam data. In: KEATING, B. H. et al. (eds) Seamounts, islands and atolls. American Geophysical Union, Geophysical Monographs, 43, 13-21.
30. _, RYAN, W. B. F. & FOX, P. J. 1984. The evolution of craters and calderas on young seamounts: Insights from Sea MARC I and SeaBeam sonar surveys of a small group near the axis of the East Pacific Rise at c. 10°N. Journal of Geophysical Research, 89, 11069-11083.
31. FORSYTH, D. W. 1992. Geophysical constraints on mantle flow and melt generation beneath mid-ocean ridges. In: PHIPPS MORGAN, J., BLACKMAN, D. K. & SINTON, J. M. (eds) Mantle flow and melt generation beneath mid-ocean ridge. American Geophysical Union, Geophysical Monographs, 31, 1-65.
32. FOX, P. J., DETRICK, R. S. & PURDY, G. M. 1980. Evidence for crustal thinning near fracture zones: Implication for ophiolites, PANAYIOTOU, A. (ed.) Ophiolites. Proceedings of the International Ophiolite Symposium, 1979, Cyprue Geological Survey Dept, 161-168.
33. _ & GALLO, D. G. 1984. A tectonic model for ridge-transform-ridge plate boundaries: implications for the structure of oceanic lithosphere. Tectonophysics, 104, 205-242.
34. _ & _ 1986. The geology of North Atlantic transform plate boundaries and their aseismic extensions. In: VOGT, P. R. & TUCHOLKE, B. E. (eds) The Western North Atlantic Region. The Geology of North America, M., Geological Society of America, 157-172.
35. FUJIMOTO, H., BRYAN, B., KOBAYASHI, K., KINOSHITA, H., TIVEY, M., KELEMEN, P., TAKEUCHI, A., MATSUMOTO, T., ISHIZUKA, H., FURUTA, T., FUJIWARA, T., LIN, J., HOTTA, H. & PURDY, M. 1994. Diving and surface surveys of the western part of the Kane Transform Fault. InterRidge News, 3, 20.
36. GENTE, P., POCKALNY, R. A., DURAND, C., DEPLUS, C., MAIA, M., CEULENEER, G., MAVEL, C., CANNAT, M. & LAVERNE, C. 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 and Planetary Science Letters, 129, 55-71.
37. GRIFFITHS, R. W. & FINK, J. H. 1992a. The morphology of lava flows in planetary environments: predictions from analogue experiments. Journal of Geophysical Research, 97, 19739-19748.
38. _ & _ 1992b. Solidification and morphology of submarine lavas: A dependence on extrusion rate. Journal of Geophysical Research, 97, 19729-19737.
39. GRINDLAY, N. R., FOX, P. J. & MACDONALD, K. C. 1991. Second-order ridge axis discontinuities in the South Atlantic: Morphology, structure, and evolution. Marine Geophysical Researches, 13, 21-49.
40. _, _ & VOGT, P. R. 1992. Morphology and tectonics of the Mid-Atlantic Ridge (25°-27°30'S) from Sea Beam and magnetic data. Journal of Geophysical Research, 97, 6983-7010.
41. HARPER, G. D. 1985. Tectonics of slow spreading mid-ocean ridges and consequences of a variable depth to the brittle/ductile transition. Tectonics, 4, 395-109.
42. HEKINIAN, R. & THOMPSON, G. 1976. Comparative geochemistry of volcanics from rift valleys, transform faults and aseismic ridges. Contributions to Mineralogy and Petrology, 57, 145-162.
43. HUGGIETT, Q. J. & MILLARD, N. W. 1992. Towed Ocean Bottom Instrument TOBI: A new deeptowed platform for side-scan sonar and other geophysical surveys. 24th Annual Ocean Technology Conference, Houston, 349-354.
44. JOHNSON, G. L. & VOGT, P. R. 1973. Mid-Atlantic Ridge from 47° to 51°N. Geological Society of America Bulletin, 84, 3443-3462.
45. KARSON, J. A. & DICK, H. J. B. 1983. Tectonics of ridge-transform intersections at the Kane Fracture Zone. Marine Geophysical Researches, 6, 51-98.
46. KLEIN, E. M. & LANGMUIR, C. H. 1987. Lobal correlations of ocean ridge basalt chemistry with a axial depth & crustal thickness. Journal of Geophysical Research, 92, 8089-8115.
47. KONG, L. S., DETRICK, R. S., FOX, P. J., MAYER, L. A. & RYAN, W. B. F. 1988/89. The morphology and tectonics of the MARK area from Sea Beam and Sea MARC I observations (Mid-Atlantic Ridge 23°N). Marine Geophysical Researches, 10, 59-90.
48. KUO, B. Y. & FORSYTH, D. W. 1988. Gravity anomalies of ridge-transform system in South Atlantic. Marine Geophysical Researches, 10, 205-232.
49. KUO, L.-C. & KIRKPATRICK, R. J. 1982. Pre-eruption history of phyric basalts from DSDP legs 45 and 46: Evidence from morphology and zoning patterns in plagioclase. Contributions to Mineralogy and Petrology, 79, 13-27.
50. LANGMUIR, C. H. & BENDER, J. F. 1984. The geochemistry of ocean basalts in the vicinity of transform faults: observations and implications. Earth and Planetary Science Letters, 69, 107-127.
51. _, _ & BATIZA, R. 1986. Petrological and tectonic segmentation of the East Pacific Rise, 5°30'-14°30'N. Nature, 322, 422-429.
52. LAUGHTON, A. S. & SEARLE, R. C. 1979. Tectonic processes on slow spreading ridges. In: TALWANI, M., HARRISON, C. G. & HAYES, D. E. (eds) Deep drilling results in the Atlantic Ocean: Ocean crust. Maurice Ewing Series, American Geophysical Union, 2, 15-32.
53. LAWSON, N. K. 1996. Crustal accretion near ridgetransform intersections: Kane Fracture Zone, Mid-Atlantic Ridge. PhD thesis, University of Durham.
54. LE ROEX, A. P., DICK, H. J. B. & FISHER, R. L. 1989. Petrology and geochemistry of MORB from 25°E to 46°E along the Southwest Indian Ridge: Evidence for contrasting styles of mantle enrichment. Journal of Petrology, 30, 947-986.
55. LICHTMAN, G. S., NORMARK, W. R. & SPIESS, F. N. 1984. Photogeologic study of a segment of the East Pacific Rise axis near 21°N latitude. Geological Society of America Bulletin, 95, 743-752.
56. LIN, J. & PHIPPS MORGAN, J. 1990. A mechanical investigation of axial rifting and discrete faulting processes at slow-spreading mid-ocean ridges. EOS, Transactions of the American Geophysical Union, 71, 627.
57. _ & _ 1972. The spreading rate dependence of three-dimensional mid-ocean ridge gravity structure. Geophysical Research Letters, 19, 13-16.
58. LOUDEN, K. E., WHITE, R. S., POTTS, C. G. & FORSYTH, D. W. 1986. Structure and seismotectonics of the Vema Fracturd Zone, Atlantic Ocean. Journal of the Geological Society, London, 143, 795-805.
59. MACDONALD, G. A. & ABBOTT, A. T. 1970. Volcanoes In The Sea. University of Hawaii Press, Honolulu.
60. MACDONALD, K. C. & LUYENDYK, B. P. 1977. Deep-tow studies of the structure of the Mid-Atlantic ridge crest near 37°N (FAMOUS). Geological Society of America Bulletin, 88, 621-636.
61. MACHADO, N., LUDDEN, J. N. & BROOKS, C. 1982. Fine scale isotopic heterogeneity in the sub-Atlantic mantle. Nature, 295, 226-228.
62. MAGDE, L. S. & SMITH, D. K. 1995. Seamount volcanism at the Reykjanes Ridge: Relationship to the Iceland hot spot. Journal of Geophysical Research, 100, 8449-8468.
63. MARKS, S. N. 1981. Sedimentation on new ocean crust: The Mid-Atlantic Ridge at 37°N. Marine Geology, 43, 65-82.
64. MARSH, B. D. 1989. Magama chambers. Annual Review of Earth and Planetary Sciences, 17, 439-474.
65. MCALLISTER, E. & CANN, J. R. 1996. Initiation and evolution of boundary-wall faults along the Mid-Atlantic Ridge, 25-29°N. This volume.
66. _, SPENCER, S. & DOUGHERTY, M. 1993. Observations of mass-wasting in the crestal mountains of the MAR: implications for the seismic life of a crestal mountain fault. BRIDGE Newsletter, 7-8.
67. MCBIRNEY, A. R. & MURASE, T. 1984. Rheological properties of magmas. Annual Review of Earth and Planetary Sciences, 12, 337-357.
68. MELSON, W. G. & THOMPSON, G. 1971. Petrology of a transform fault zone and adjacent ridge segments. Philosophical Transactions of the Royal Society, London, A, 268, 423-441.
69. MITCHELL, N. C. 1993. A model for attenuation of backscatter due to sediment accumulations and its application to determine sediment thickness with GLORIA sidescan sonar. Journal of Geophysical Research, 98, 22477-22493.
70. MURTON, B. J. & PARSON, L. M. 1993. Segmentation, volcanism and deformation of oblique spreading centres: a quatitative study of the Reykjanes Ridge. Tectonophysics, 222, 237-257.
71. MUTTER, J. C. & KARSON, J. A. 1992. Structural processes at slow-spreading ridges. Science, 257, 627-634.
72. NIU, Y. & BATIZA, R. 1991. An empirical method for calculating melt compositions produced beneath mid-ocean ridges: Application for axis and off-axis (seamounts) melting. Journal of Geophysical Research, 96, 21753-21777.
73. PARMENTIER, E. M. & PHIPPS MORGAN, J. 1990. Spreading rate dependence of three-dimensional structure in oceanic spreading centres. Nature, 348, 325-328.
74. PARSON, L. M., MURTON, B. J., SEARLE, R. C., BOOTH, D., EVANS, J., FIELD, P., KEETON, J., LAUGHTON, A., MCALLISTER, E., MILLARD, N., REDBOURNE, L., ROUSE, I., SHOR, A., SMITH, D., SPENCER, S., SUMMERHAYES, C. & WALKER, C. 1993. En echelon volcanic ridges at the Reykjanes Ridge: a life cycle of volcanism and tectonics. Earth and Planetary Science Letters, 117, 73-87.
75. PERFIT, M. R., FORNARI, D. J., MALAHOFF, A. & EMBLEY, R. W. 1983. Geochemical studies of abyssal lavas recovered by DSRV Alvin from Eastern Galapagos Rift, Inca Tranform, and Ecuador Rift 3. Trace element abundances and petrogenesis. Journal of Geophysical Research, 88, 10551-10572.
76. PHILIPS, J. D. & FLEMING, H. S. 1978. Multi-beam sonar study of the Mid-Atlantic rift valley 36°-37°N FAMOUS. Geological Society of America, MC-19.
77. PHIPPS MORGAN, J., PARMENTIER, E. M. & LIN, J. 1987. Mechanisms for the origin of Mid-Ocean Ridge axial topography: implication for the thermal and mechanical structure of accreting plate boundaries. Journal of Geophsical Research, 92, 12823-12836.
78. PLANK, T. & LANGMUIR, C. H. 1992. Effect of the melting regime on the composition of the oceanic crust. Journal of Geophysical Research, 97, 19770-19794.
79. POCKALNY, R. A., DETRICK, R. S. & FOX, P. J. 1988. The morphology and tectonics of the Kane Transform from Sea Beam bathymetry data. Journal of Geophysical Research, 93, 3179-3193.
80. PURDY, G. M., SEMPÉRÉ, J.-C., SCHOUTEN, H., DUBOIS, D. L. & GOLDSMITH, R. 1990. Bathymetry of the Mid-Atlantic Ridge, 24°-31°N: A map series. Marine Geophysical Researches, 12, 247-252.
81. RABINOWICZ, M., ROUZO, S., SEMPÉRÉ, J.-C. & ROSEMBERG, C. 1993. Three-dimensional mantle flow beneath mid-ocean ridges. Journal of Geophysical Research, 98, 7851-7869.
82. RICHTER, D. H., EATON, J. P., MURATA, K. J., AULT, W. A. & KRIVOY, H. L. 1970. Chronological narrative of the 1955-60 eruption of the Kilauea volcano, Hawaii. United States Geological Survey Professional Paper, 537-E.
83. RICKWOOD, P. C. 1990. The anatomy of a dyke and the determination of proportion and magma flow directions. In: PARKER, A. J., RICKWOOD, P. C. & TUCKER, D. H. (eds) Mafic dykes and emplacement mechanisms. Balkema, Rotterdam, 81-100.
84. ROEST, W. R., SEARLE, R. C. & COLLETTE, B. J. 1984. Fanning of fracture zones and a three-dimensional model of the Mid-Atlantic Ridge. Nature, 308, 527-531.
85. ROUZO, S., RABINOWICZ, M. & BRIAIS, A. 1995. Segmentation of mid-ocean ridges with an axial valley induced by small-scale mantle convection. Nature, 374, 795-798.
86. SCHOUTEN, H., KLITGORD, K. D. & WHITEHEAD, J. A. 1985. Segmentation of mid-ocean ridges. Nature, 317, 225-229.
87. SEARLE, R. C. 1983. Submarine central volcanoes on the Nazca Plate - high-resolution sonar observations. Marine Geology, 53, 77-102.
88. _, FIELD, P. R. & OWENS, R. B. 1994. Segmentation and a nontransform ridge offset on the Reykyanes Ridge near 58°N. Journal of Geophysical Research, 99, 24159-24172.
89. SEMPÉRÉ, J. C., LIN, J., BROWN, H. S., SCHOUTEN, H. & PURDY, G. M. 1993. Segmentation and morphotectonic variations along a slow spreading center: The Mid-Atlantic Ridge (24°00'N-30°40'N). Marine Geophysical Researches, 15, 153-200.
90. _, PURDY, G. M. & SCHOUTEN, H. 1990. Segmentation of the Mid-Atlantic Ridge between 24°N and 30°40'N. Nature, 344, 427-431.
91. SHEN, Y. & FORSYTH, D. W. The effects of temperature- and pressure-dependant viscosity on three-dimensional passive flow of the mantle beneath a ridge-transform system Journal of Geophysical Research, 97, 19717-19778.
92. SINTON, J. M. & DETRISCK, R. S. 1992. Mid-ocean ridge magma chambers. Journal of Geophysical Research, 97, 197-216.
93. _, WILSON, D. S., CHRISTIE, D. M., HEY, R. N. & DELANEY, J. R. 1983. Petrologic consequences of rift propagation on oceanic spreading ridges. Earth and Planetary Science Letters, 62, 193-207.
94. SMITH, D. K. & CANN, J. R. 1990. Hundreds of small volcanoes on the median valley floor of the Mid-Atlantic Ridge at 24-30°N. Nature, 348, 152-155.
95. _ & _ 1992. The role of seamount volcanism in crustal construction at the Mid-Atlantic Ridge (24°-30°N). Journal of Geophysical Research, 97, 1645-1658.
96. _ & _ 1993. Building the crust at the Mid-Atlantic Ridge. Nature, 365, 707-715.
97. _, _, DOUGHERTY, M. E., LIN, J., SPENCER, S., MACLEOD, C., KEETON, J., MCALLISTER, E., BORROKS, B., PASCOE, R. & ROBERTSON, W. 1995a. Mid-Atlantic Ridge volcanism from deep-towed side-scan sonar images, 25°-29°N. Journal of Volcanology and Geothermal Research, 67, 233-262.
98. _, HUMPHRIS, S. E. & BRYAN, W. B. 1995b. A comparison of volcanic edifices at the Reykjanes Ridge and the Mid-Atlantic Ridge at 24°-30°N. Journal of Geophysical Research, 100, 22485-22498.
99. SPARKS, D. W. & PARMENTIER, E. M. 1991. Melt extraction from the mantle beneath spreading centers. Earth and Planetary Science Letters, 105, 368-377.
100. STAKES, D. S., SHERVAIS, J. W. & HOPSON, C. A. 1984. The volcano-tectonic cycle of the FAMOUS and AMAR valleys, Mid-Atlantic Ridge (36°47'N): Evidence from basalt glass and phenocryst compositional variations for a steady state magma chamber beneath the valley midsections, AMAR 3. Journal of Geophysical Research, 89, 6995-7028.
101. THORARINSSON, S. 1969. The Lakagigar eruption of 1783. Bulletin of Volcanology, 33, 910-929.
102. _, STEINTHORSSON, S., EINARSSON, T. H., KRISTMANNSDOTTIR, H. & OSKARSSON, N. 1973. The eruption on Heimay, Iceland. Nature, 241, 372-75.
103. TOLSTOY, M., HARDING, A. J. & ORCUTT, J. A. 1993. Crustal thickness on the Mid-Atlantic Ridge - Bull's-eye gravity-anomalies and focused accretion Science, 262, 726-729.
104. TORMEY, D. R., GROVE, T. L. & BRYAN, W. B. 1987. Experimental petrology of normal MORB near the Kane Fracture Zone: 22°-25°N Mid-Atlantic Ridge. Contributions to Mineralogy and Petrology, 96, 121-139.
105. TUCHOLKE, B. E. 1992. Massive submarine rockslide in the rift-valley wall of the mid-Atlantic Ridge. Geology, 20, 129-132.
106. UPTON, B. G. J. & THOMAS, J. E. 1980. The Tugtutoq Younger Giant Dyke Complex, South Greenland: fractional crystallization of transitional olivine basalt magma. Journal of Petrology, 21, 167-198.
107. WHITE, R. S., DETRICK, R. S., SINHA, M. C. & CORMIER, M. H. 1984. Anomalous seismic crustal structure of oceanic fracture zones. Geophysical Journal of the Royal Astronomical Society, 79, 779-798.
108. WHITEHEAD, J. A., DICK, H. J. B. & SCHOUTEN, H. 1984. A mechanism for magmatic accretion under spreading centres. Nature, 312, 146-148.
109. WILSON, J. T. 1965. A new class of faults and their bearing on continental drift. Nature, 207, 343-347.
110. ZONENSHAIN, L. P., KUZMIN, M. I., LISITSIN, A. P., BOGDANOV, Y. A. & BARANOV, B. V. 1989. Tectonics of the Mid-Atlantic rift valley between the TAG and MARK areas (26-24°N): evidence for vertical tectonism. Tectonophysics, 159, 1-23.