Sea beam, SeaMARC II and ALVIN-based studies of faulting on the East Pacific Rise 9°20′ N-9°50′ N

Marine Geophysical Research

Volumn 18, Issue 5, 1996, Pages 557-587

  Alexander, Russ T ^a,b   Macdonald, Ken C ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b ALBERT EINSTEIN COLLEGE OF MEDICINE   (United States)

Author keywords

East Pacific Rise; Faulting; Sea Beam; SeaMARC II

Indexed keywords

ALVIN SUBMERSIBLE; BATHYMETRY; FAULTING; FAULTS; MID OCEAN RIDGE; MID-OCEAN RIDGES; SEA BEAM; SEABEAM; SEAMARC II;

PACIFIC, EAST PACIFIC RISE;

EID: 0030431966     PISSN: 00253235     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF00310069     Document Type: Article

References (105)

1. Alexander, R. T., 1995, The Tectonic and Volcanic Contributions to Abyssal Hill Topography: A Study on the East Pacific Rise 9°20′ N-9°50′ N, M.S. thesis, University of California, Santa Barbara, 83 pp.
2. Bergman, E. A. and Solomon, S. C., 1984, Source Mechanisms of Earthquakes Near Mid-Ocean Ridges from Body Waveform Inversion: Implications for the Early Evolution of Oceanic Lithosphere, J. Geophys. Res. 89, 11415-11441.
3. Bicknell, J D., Fox, P. J., Sempere, J.-C. and Macdonald, K. C., 1987, Tectonics of a Fast Spreading Center: A Deep-Tow and Sea Beam Survey of the East Pacific Rise at 19°30′ S, Mar. Geophys. Res. 9, 25-45.
4. Bjarnason, I. T., Cowie, P., Anders, M., Seeber, L. and Scholz, C. H., 1993, The 1912 Iceland Earthquake Rupture: Growth and Development of a Nascent Transform System, Bull. Seism. Soc. Am. 83, 416-435.
5. Blackinton, J. G., Hussong, D. M. and Kosalos, J., 1983, First Results from a Combination of Side-Scan Sonar and Seafloor Mapping System (SeaMARC II), in Proceedings of the 15th Annual Offshore Technology Conference, Rep. OTC 4478, Offshore Technology Conference, TX, pp. 307-311.
6. Cann, J. R., 1974, A Model for Oceanic Crustal Structure Developed, Geophys. J. Roy. Astr. Soc. 39, 169-187.
7. Carbotte, S. M. and Macdonald, K. C., 1990, Causes of Variation in Fault-Facing Direction on the Ocean Floor, Geology 18, 749-752.
8. Carbotte, S. and Macdonald, K. C., 1992, East Pacific Rise 8°-10°30′ N: Evolution of Ridge Segments and Discontinuities from SeaMARC II and Three-Dimensional Magnetic Studies, J. Geophys. Res. 97, 6959-6982.
9. Carbotte, S. M. and Macdonald, K. C., 1994a, The Axial Topographic High at Intermediate and Fast Spreading Ridges, Earth Planet. Sci. Lett. 128, 85-97.
10. Carbotte, S. M. and Macdonald, K. C., 1994b, Comparison of Seafloor Tectonic Fabric at Intermediate, Fast and Super Fast Spreading Ridges: Influence of Spreading Rate, Plate Motions, and Ridge Segmentation on Fault Patterns, J. Geophys. Res. 99, 13609-13631.
11. Caress, D. W., Burnett, M. S. and Orcutt, J. A., 1992, Tomographic Image of the Axial Low-Velocity Zone at 12°50′ N on the East Pacific Rise, J. Geophys. Res. 97, 9243-9264.
12. Chen, Y. and Morgan, W. J., 1990, Rift Valley/No Rift Valley Transition at Mid-Ocean Ridges, J. Geophys. Res. 95, 17571-17581.
13. Choukroune, P., Francheteau, J. and Hekinian, R., 1984, Tectonics of the East Pacific Rise near 12°50′ N: A Submersible Study, Earth Planet. Sci. Lett. 68, 115-127.
14. Christeson, G. L., Purdy, G. M. and Fryer, G. J., 1994, Seismic Constraints on Shallow Crustal Emplacement Processes at the Fast Spreading East Pacific Rise, J. Geophys. Res. 99, 17957-17973.
15. Cochran, J. R., Goff, J. A., Malinverno, A., Fornari, D. J., Keeley, C. and Wang, X., 1993, Morphology of a 'Superfast' Mid-Ocean Ridge Crest and Flanks: The East Pacific Rise, 7°-9° S, Mar. Geophys. Res. 15, 65-75.
16. Cowie, P. A. and Scholz, C. H., 1992a, Physical Explanation for the Displacement-Length Relationship of Faults Using a Post-Yield Fracture Mechanics Model, J. Struct. Geol. 14, 1133-1148.
17. Cowie, P. A. and Scholz, C. H., 1992b, Displacement-Length Scaling Relationship for Faults: Data Synthesis and Discussion, J. Struct. Geol. 14, 1149-1156.
18. Cowie, P. A., Scholz, C. H., Edwards, M. and Malinverno, A., 1993, Fault Strain and Seismic Coupling on Mid-Ocean Ridges, J. Geophys. Res. 98, 17911-17920.
19. Cowie, P. A., Malinverno, A., Ryan, W. B. F. and Edwards, M. H., 1994, Quantitative Fault Studies on the East Pacific Rise: A Comparison of Sonar Imaging Techniques, J. Geophys. Res. 99, 15205-15218.
20. Cox, S. J. D. and Scholz, C. H., 1988, On the Formation and Growth of Faults: An Experimental Study, J. Struct. Geol. 10, 413-430.
21. CYAMEX Scientific Team, 1981, First Manned Submersible Dives on the East Pacific Rise at 21° N (Project RITA): General Results, Mar. Geophys. Res. 4, 345-379.
22. Dawers, N. H., Anders, M. H. and Scholz, C. H., 1993, Growth of Normal Faults: Displacement-Length Scaling, Geology 21, 1107-1110.
23. DeMets, C., Gordon, R. G., Argus, D. F. and Stein, S., 1990, Current Plate Motions, Geophys. J. Intl. 101, 425-478.
24. Detrick, R. S., Buhl, P., Vera, E., Mutter, J., Orcutt, J., Madsen, J. and Brocher, T., 1987, Multi-Channel Seismic Imaging of a Crustal Magma Chamber Along the East Pacific Rise, Nature 326, 35-41.
25. Dewey, J. F. and Kidd, W. S. F., 1977, Geometry of Plate Accretion, Geol. Soc. Am. Bull. 88, 960-968.
26. Edwards, M. E., Fornari, D. J., Malinverno, A., Ryan, W. B. F. and Madsen, J., 1991, The Regional Tectonic Fabric of the East Pacific Rise from 12°50° N to 15°10′ N, J. Geophys. Res. 96, 7995-8017.
27. Edwards, M. H., 1991, The Morphotectonic Fabric of the East Pacific Rise: Implications for Fault Generation and Crustal Accretion, Ph.D. thesis, Columbia University, Palisades.
28. Edwards, M., Ryan, W. B. F. and Fornari, D. J., 1992, A Tectono-Volcanic Model for Abyssal Hill Formation on the Intermediate-Fast Spreading East Pacific Rise, EOS, Trans. Am. Geophys. Union 73, 502.
29. Efron, B. and Tibshirani, R., 1991, Statistical Data Analysis in the Computer Age, Science 253, 390-395.
30. Einarsson, P. and Eiriksson, J., 1982, Earthquake Fractures in the Districts Land and Rangarvellir in the South Iceland Seismic Zone, Jokull 32, 113-124.
31. Fornari, D. J., Perfit, M. R., Batiza, R. and Edwards, M. H., 1992, Submersible Transects Across the East Pacific Rise Crest and Upper Flanks at 9° 31′-32′ N: 1. Observations of Seafloor Morphology and Evidence for Young Volcanism Off Axis. EOS 73, 525.
32. Forslund, T. and Gudmundsson, A., 1992, Structure of Tertiary and Pleistocene Normal Faults in Iceland, Tectonics 11, 57-68.
33. Fox, P. J., Grindlay, N. R. and Macdonald, K. C., 1991, The Mid-Atlantic Ridge (31°-34°30′ S): Temporal and Spatial Variations of Accretionary Processes, Mar. Geophys. Res. 13, 1-20.
34. Goff, J. A., 1991, A Global and Regional Analysis of Near-Ridge Abyssal Hill Morphology, J. Geophys. Res. 96, 21713-21737.
35. Goff, J. A., Jordan, T. H., Edwards, M. H. and Fornari, D. J., 1991, Comparison of a Stochastic Seafloor Model with SeaMARC II Bathymetry and Sea Beam Data Near the East Pacific Rise 13°-15° N, J. Geophys. Res. 96, 3867-3886.
36. Goff, J. A., Malinverno, A., Fornari, D. J. and Cochran, J. R., 1993, Abyssal Hill Segmentation: Quantitative Analysis of the East Pacific Rise Flanks 7° S-9° S, J. Geophys. Res. 98, 13851-13862.
37. Goldstein, S. J., Perfit, M. R., Batiza, R., Fornari, D. J. and Murrell, M. T., 1994, Off-Axis Volcanism at the East Pacific Rise Detected by Uranium-Series Dating of Basalts, Nature 367, 157-159.
38. Granier, T., 1985, Origin, Damping, and Pattern of Development of Faults in Granite, Tectonics 4, 721-737.
39. Gudmundsson, A., 1987a, Geometry, Formation and Development of Tectonic Fractures on the Reykjanes Peninsula, Southwest Iceland, Tectonophysics 139, 295-308.
40. Gudmundsson, A., 1987b, Tectonics of the Thingvellir Fissure Swarm, SW Iceland, J. Struct. Geol. 9, 61-69.
41. Gudmundsson, A. and Backstrom, K., 1991, Structure and Development of the Sveinagja Graben, Northeast Iceland, Tectonophysics 200, 111-125.
42. Gudmundsson, A., 1992, Formation and Growth of Normal Faults at the Divergent Plate Boundary in Iceland, Terra Nova 4, 464-471.
43. Harding, A. J., Orcutt, J. A., Kappus, M. E., Vera, E. E., Mutter, J. C., Buhl, P., Detrick, R. S. and Brocher, T. M., 1989, Structure of Young Oceanic Crust at 13° N on the East Pacific Rise from Expanding Spread Profiles, J. Geophys. Res. 94, 12163-12196.
44. Harding, A. J., Kent, G. M. and Orcutt, J. A., 1993, A Multichannel Seismic Investigation of Upper Crustal Structure at 9° N on the East Pacific Rise: Implications for Crustal Accretion, J. Geophys. Res. 98, 13925-13944.
45. Harper, G. D., 1985, Tectonics of a Slow-Spreading Mid-Ocean Ridges and Consequences of a Variable Depth to the Brittle/ Ductile Transition, Tectonics 4, 395-410.
46. Haymon, R. M., Fornari, D. J., Edwards, M. H., Carbotte, S., Wright, D. and Macdonald, K. C., 1991, Hydrothermal Vent Distribution Along the East Pacific Rise Crest (9°09′-54′ N) and its Relationship to Magmatic and Tectonic Processes on Fast-Spreading Mid-Ocean Ridges, Earth Planet. Sci. Lett. 104, 513-534.
47. Haymon, R. M. and others, 1993, Volcanic Eruption of the Mid-Ocean Ridge Along the East Pacific Rise Crest at 9°45′-52′ N: Direct Submersible Observations of Seafloor Phenomena Associated with an Eruption Event in April, 1991, Earth Planet. Sci. Lett. 119, 85-101.
48. Huang, P. Y., Solomon, S. C., Bergman, E. A. and Nabelek, J. L., 1986, Focal Depths and Mechanisms of Mid-Atlantic Ridge Earthquakes from Body Waveform Inversion, J. Geophys. Res. 91, 579-598.
49. Karson, J. A., Thompson, G., Humphris, S. E., Edmond, J. M., Bryan, W. B., Brown, J. R., Winters, A. T., Pockalny, R. A., Casey, J. F., Campbell, A. C., Klinkhammer, G., Palmer, M. R., Kinzler, R. J. and Sulanowska, M. M., 1987, Along-Axis Variation in Seafloor Spreading in the MARK Area, Nature 328, 681-685.
50. Karson, J. A. and Rona, P. A., 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.
51. Kent, G., Harding, A. J. and Orcutt, J. A., 1993, Distribution of Magma Beneath the East Pacific Rise Between the Clipperton Transform and the 9°17′ N Deval from Forward Modeling of Common Depth Point Data, J. Geophys. Res. 13945-13969.
52. Kent, G. M., Swift, S. A., Detrick, R. S., Collins, J. A. and Stephen, R. A., 1996, Evidence for Active Normal Faulting on 5.9 Ma Old Crust Near Hole 504B on the Southern Flank of the Costa Rica Rift, Geology 24, 83-86.
53. Kleinrock, M. C., Hey, R. N. and Theberge Jr., A. E., 1992, Practical Geological Comparison of Some Seafloor Survey Instruments, Geophys. Res. Lett. 19, 1407-1410.
54. Kong, L., Detrick, R. S., Fox, P. J., Mayer, L. A. and Ryan, W. B. F., 1988, The Morphology and Tectonics of the MARK Area from Sea Beam and SeaMARC I Observations, Mar. Geophys. Res. 10, 59-90.
55. Kong, L. S., Solomon, S. C. and Purdy, G. M., 1992, Microearthquake Characteristics of a Mid-Ocean Ridge Along-Axis High, J. Geophys. Res. 97, 1659-1685.
56. Kuo, B. Y. and Forsyth, D. W., 1988, Gravity Anomalies of the Ridge Transform Intersection System in the South Atlantic between 31 and 34.5° S: Upwelling Centers and Variations in Crustal Thickness, Mar. Geophys. Res. 10, 205-232.
57. Laughton, A. S. and Searle, R. C., 1979, Tectonic Processes on Slow Spreading Ridges, in Talwani, M., Harrison, C. G., and Hayes, D. E. (eds.), Deep Drilling Results in the Atlantic Ocean: Ocean Crust, Maurice Ewing Series 3, American Geophysical Union, Washington, D.C., pp. 15-32.
58. Lin, J., Purdy, G. M., Schouten, H., Sempere, J.-C. and Zervas, C., 1990, Evidence from Gravity Data for Focused Magmatic Accretion Along the Mid-Atlantic Ridge, Nature 344, 62-632.
59. Lonsdale, P., 1977, Structural Geomorphology of a Fast-Spreading Rise Crest: The East Pacific Rise Near 3°25′ S, Mar. Geophys. Res. 3, 251-293.
60. Lonsdale, P. and Spiess, F. N., 1980, Deep-Tow Observations at the East Pacific Rise, 8°45′ N, and Some Interpretations, in Rosendahl, B. R. and Hekinian, R. (eds.), Init. Repts. DSDP, Washington, D.C.: US Government Printing Office, vol. 54, pp. 43-62.
61. Macario, A., Haxby, W. F., Goff, J. A., Ryan, W. B. F., Cande, S. C. and Raymond, C. A., 1994, Flow Line Variations in Abyssal Hill Morphology for the Pacific-Antarctic Ridge at 65° S, J. Geophys. Res. 99, 17921-17934.
62. Macdonald, K. C. and Luyendyk, B. P., 1977, Deep-Tow Studies of the Structure of the Mid-Atlantic Ridge Crest Near Lat 37° N, Geol. Soc. America Bull. 88, 621-636.
63. Macdonald, K. C., 1982, Mid-Ocean Ridges: Fine Scale Tectonic, Volcanic and Hydrothermal Processes within the Plate Boundary Zone, Ann. Rev. Earth Planet. Sci. 10, 155-190.
64. Macdonald, K. C., Miller, S. P, Luyendyk, B .P., Atwater, T. M. and Shure, L., 1983, Investigation of a Vine-Matthews Magnetic Lineation from a Submersible: The Source and Character of Marine Magnetic Anomalies, J. Geophys. Res. 88, 3403-3418.
65. Macdonald, K., Sempere, J.-C. and Fox, P. J., 1984, East Pacific Rise from Siqueiros to Orozco Fracture Zones: Along-Strike Continuity of Axial Nenvolcanic Zone and Structure and Evolution of Overlapping Spreading Centers, J. Geophys. Res. 89, 6049-6069.
66. Macdonald, K. C. and Luyendyk, B. P., 1985, Investigation of Faulting and Abyssal Hill Formation on the Flanks of the East Pacific Rise (21° N) using ALVIN, Mar. Geophys. Res. 7, 515-535.
67. Macdonald, K. C., Fox, P. J., Perram, L. J., Eisen, M. F., Haymon, R. M., Miller, S. P., Carbotte, S. M., Cormier, M.-H. and Shor, A. N., 1988, A New View of the Mid-Ocean Ridge from the Behaviour of Ridge-Axis Discontinuities, Nature 335, 6187, 217-225.
68. 2 Recently Erupted Lava Field on the East Pacific Rise Near Lat 8° S, Geology 17, 212-216.
69. Macdonald, K. C., Scheirer, D. S. and Carbotte, S. M., 1991, Mid-Ocean Ridges: Discontinuities, Segments and Giant Cracks, Science 253, 986-994.
70. Macdonald, K. C., Fox, P. J., Carbotte, S., Eisen, M., Miller, S., Perram, L., Scheirer, D., Tighe, S. and Weiland, C., 1992, The East Pacific Rise and its Flanks, 8°-18°N: History of Segmentation, Propagation and Spreading Direction Based on SeaMARC II and Sea Beam Studies, Mar. Geophys. Res. 14, 299-344.
71. Macdonald, K. C., Fox, P. J., Alexander, R. T., Pockalny, R. and Gente, P., 1996, Volcanic Growth Faults and the Origin of Pacific Abyssal Hills, Nature 380, 125-129.
72. Marrett, R. and Allmendinger, R. W., 1991, Estimates of Strain Due to Brittle Faulting: Sampling of Fault Populations, J. Struct. Geol. 13, 735-737.
73. Muraoka, H. and Kamata, H., 1983, Displacement Distribution Along Minor Fault Traces, J. Struct. Geol. 5, 483-495.
74. Parmentier, E. M. and Phipps Morgan, J., 1990, Spreading Rate Dependence of Three-Dimensional Structure in Oceanic Spreading Centers, Nature 348, 325-328.
75. Peacock, D. C. P. and Sanderson, D. J., 1991, Displacements, Segment Linkage and Relay Ramps in Normal Fault Zones, J. Struct. Geol. 13, 721-733.
76. Perfit, M. R., Smith, M. C., Fornari, D. J., Batiza, R. and Edwards, M. H., 1992, Submersible Transects Across the East Pacific Rise Crest and Upper Flanks at 9°31′-32′N: 2. Small-Scale Spatial Variations in Lava Geochemistry and Implications for Temporal Variability, EOS, Trans. Am. Geophys. Union 73, 525.
77. Perfit, M. R., Fornari, D. J., Smith, M. C., Bender, J. F., Langmuir, C. H. and Haymon, R. M., 1994, Small-Scale Spatial and Temporal Variations in Mid-Ocean Ridge Crest Magmatic Processes, Geology 22, 375-379.
78. Perram, L. J. and Macdonald, K. C., 1990, A One-Million-Year History of the 11°45′ N East Pacific Rise Discontinuity, J. Geophys. Res. 95, 21363-21381.
79. Phipps Morgan, J. and Chen, Y. J., 1993, The Genesis of Oceanic Crust: Magma Injection, Hydrothermal Circulation and Crustal Flow, J. Geophys. Res. 98, 6283-6297.
80. Pollard, D. D., Segall, P. and Delaney, P. T., 1982, Formation and Interpretation of Dilatant Echelon Cracks, Geol. Soc. Am. Bull. 93, 1291-1303.
81. Pollard, D. D. and Aydin, A., 1984, Propagation and Linkage of Oceanic Ridge segments, J. Geophys. Res. 89, 10,017-10,028.
82. Renard, V. and Allenou, J. P., 1979, Sea Beam Multibeam Echo Sounding on "Jean Charcot", Description, Evaluation and First Results, Int. Hydrogr. Rev. LV(1), 35-67.
83. Scheirer, D. S. and Macdonald, K. C., 1993, Variation in Cross-Sectional Area of the Axial Ridge Along the East Pacific Rise: Evidence for the Magmatic Budget of a Fast-Spreading Center, J. Geophys. Res. 98, 7871-7885.
84. Scholz, C. H., 1989, Mechanics of Faulting, Ann. Rev. Earth Planet. Sci. 17, 309-334.
85. Scholz, C. H., Dawers, N. H., Yu, J. and Anders, M. H., 1993, Fault Growth and Fault Scaling Laws: Preliminary Results, J. Geophys. Res. 98, 21951-21961.
86. Schouten, H., Klitgord, K. D. and Whitehead, J. A., 1985, Segmentation of Mid-Ocean Ridges, Nature 317, 225-229.
87. Searle, R., 1984, GLORIA Survey of the East Pacific Rise Near 3.5° S: Tectonic and Volcanic Characteristics of a Fast Spreading Mid-Ocean Ridge, Tectonophysics 101, 319-344.
88. Sempere, J.-C., Macdonald, K. C., Miller, S. P. and Shure, L., 1987, Detailed Study of the Bruhnes/Matuyama Reversal Boundary on the East Pacific Rise at 19°30′ S: Implications for Crustal Emplacement Processes at an Ultra Fast Spreading Center, Mar. Geophys. Res. 9, 1-23.
89. Sempere, J.-C. and Macdonald, K. C., 1986a, Overlapping Spreading Centers: Implications from Crack Growth Simulation by the Displacement Discontinuity Method, Tectonics 5, 151-163.
90. Sempere, J.-C. and Macdonald, K. C., 1986b, Deep-Tow Studies of the Overlapping Spreading Centers at 9°03′ N on the East Pacific Rise, Tectonics 5, 881-900.
91. Shaw, P. R., 1992, Ridge Segmentation, Faulting and Crustal Thickness in the Atlantic Ocean, Nature 358, 490-493.
92. Shaw, P. R. and Lin, J., 1993, Causes and Consequences of Variations in Faulting Style at the Mid-Atlantic Ridge, J. Geophys. Res. 98, 21839-21851.
93. Shaw, P. R. and Smith, D. K., 1990, Robust Description of Statistically Heterogeneous Seafloor Topography Through its Slope Distribution, J. Geophys. Res. 95, 8705-8722.
94. Sinton, J. M. and Detrick, R. S., 1992, Mid-Ocean Ridge Magma Chambers, J. Geophys. Res. 97, 197-216.
95. Toomey, D. R., Purdy, G. M., Solomon, S. C. and Wilcock, W. S. D., 1990, The Three-Dimensional Velocity Structure of the East Pacific Rise Near Latitude 9°30′ N, Nature 347, 639-645.
96. Toomey, D. R., Solomon, S. C. and Purdy, G. M., 1994, Tomographic Imaging of the Shallow Crustal Structure of the East Pacific Rise at 9°30′ N, J. Geophys. Res. 99, 24135-24157.
97. Vera, E. E., Mutter, J. C., Buhl, P., Orcutt, J. A., Harding, A. J., Kappus, M. E., Detrick, R. S. and Brocher, T. M., 1990, The Structure of 0- to 0.2-m.y.-old Oceanic Crust at 9° N on the East Pacific Rise from Expanded Spread Profiles, J. Geophys. Res. 95, 15529-15556.
98. Vera, E. E. and Diebold, J. B., 1994, Seismic Imaging of Oceanic Layer 2A between 9°30′ N and 10° N on the East Pacific Rise from Two-Ship Wide-Aperture Profiles, J. Geophys. Res. 99, 3031-3041.
99. Walsh, J. J. and Watterson, J., 1988, Analysis of the Relationship between Displacements and Dimensions of Faults, J. Struct. Geol. 10, 239-247.
100. Walsh, J. J. and Watterson, J., 1991, Geometric and Kinematic Coherence and Scale Effects in Normal Fault Systems, The Geometry of Normal Faults, Geological Society Special Publications 56, 193-203.
101. Wiens, D. A. and Stein, S., 1984, Intraplate Seismicity and Stresses in Young Oceanic Lithosphere, J. Geophys. Res. 89, 11442-11464.
102. Wilcock, W. S. D., Purdy, G. M., Solomon, S. C., DuBois. D. L. and Toomey, D. R., 1992, Microearthquakes On and Near the East Pacific Rise, 9°-10° N, Geophys. Res. Lett. 19, 2131-2134.
103. Wilcock, W. S. D., Toomey, D. R., Purdy, G. M. and Solomon, S. C., 1993, The Renavigation of Sea Beam Bathymetric Data between 9° N and 10° N on the East Pacific Rise, Mar. Geophys. Res. 15, 1-12.
104. Wilson, D. S., Clague, D. A., Sleep, N. H. and Morton, J. L., 1988, Implications of Magma convection for the Size and Temperature of Magma Chambers at Fast Spreading Ridges, J. Geophys. Res. 93, 11974-11984.
105. Wright, D. J., Haymon, R. M. and Macdonald, K. C., 1995, Breaking New Ground: Estimates of Crack Depth Along the Axial Zone of the East Pacific Rise (9° 12′-54′ N), Earth Planet. Sci. Lett. 134, 441-457.