Crustal magnetization of the Reykjanes Ridge and implications for its along-axis variability and the formation of axial volcanic ridges

Journal of Geophysical Research: Solid Earth

Volumn 105, Issue B3, 2000, Pages 5907-5930

  Lee, Sang Mook ^a,b   Searle, Roger C ^a  

^a DURHAM UNIVERSITY   (United Kingdom)

^b Korea Research Institute of Ships and Ocean Engineering   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

GEOMAGNETIC FIELD; MID-OCEAN RIDGE; PALEOMAGNETISM; VOLCANISM;

ATLANTIC OCEAN; REYKJANES RIDGE;

EID: 0034629350     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/1999jb900376     Document Type: Article

References (79)

1. Appelgate, B., and A. N. Shor, The northern Mid-Atlantic and Reykjanes Ridges: Spreading center morphology between 55°50′N and 63°00′N, J. Geophys. Res., 99, 17,935-17,956, 1994.
2. Baker, E. T., C. R. German, and H. Elderfield, Hydrothermal plumes over spreading-center axes: Global distribution and geological inferences, in Seafloor Hydrothermal Systems: Physical, Chemical, Biological, and Geological Interactions, Geophys. Monogr. Ser., vol. 91, edited by S. E. Humphris et al., pp. 47-71, AGU, Washington, D.C., 1995.
3. Bunch, A. W. H. and B. L. N. Kennett, The crustal structure of the Reykjanes Ridge at 59°30′N, Geophys. J. R. Astron. Soc., 61, 141-166, 1980.
4. Cande, S. C., and D. V. Kent, Revised calibration of the geomagnetic polarity timescale for the Late Cretaceous and Cenozoic, J. Geophys. Res., 100, 6093-6095, 1995.
5. Chadwick, W. W., Jr., and R. W. Embley, Graben formation associated with recent dike intrusions and volcanic eruptions on the mid-ocean ridge, J. Geophys. Res., 103, 9807-9825, 1998.
6. Christeson, G. L., G. M. Kent, G. M. Purdy, and R. S. Detrick, Extrusive thickness variability at the East Pacific Rise, 9°-10°N: Constraints from seismic techniques, J. Geophys. Res., 101, 2859-2873, 1996.
7. Crane, K., L. Johnson, B. Appelgate, C. Nishimura, R. Buck, C. Jones, P. Vogt, and R. Kos'yan, Volcanic and seismic swarm events of the Reykjanes Ridge and their similarities to events on Iceland: Results of a rapid response mission, Mar. Geophys. Res., 19, 319-338, 1997.
8. de Boer, J., Variations of the magnetic properties of post-glacial pillow lava along the Reykjanes Ridge, J. Geophys. Res., 80, 3769-3776, 1975.
9. DeMets, C., R. G. Gordon, D. F. Argus, and S. Stein, Current plate motions, Geophys. J. Int., 101, 425-478, 1990.
10. Dunlop, D. J., and M., Prevot, Magnetic properties and opaque mineralogy of drilled submarine intrusive rocks, Geophys. J. R. Astron. Soc., 69, 763-802, 1982.
11. Dyment, J., J. Arkani-Hamed, and A. Ghods, Contribution of serpentinized ultramafics to marine magnetic anomalies and intermediate spreading centres: Insights from the shape of the anomalies, Geophys. J. Int., 129, 691-701, 1997.
12. Fleischer, U., The Reykjanes Ridge: A summary of geophysical data, in Geodynamics of Iceland and the North Atlantic Area, edited by Kristjansson, pp. 17-31, D. Reidel, Norwell, Mass., 1974.
13. Flewellen, L., N. Millard, and I. Rouse, TOBI: A vehicle for deep ocean survey, Elec. Comm. Engin. J., 5, 85-93, 1993.
14. Fornari, D. J., R. M. Haymon, M. R. Perfit, T. K. P. Gregg, and M. H. Edwards, Axial summit trough of the East Pacific Rise 9°-10°N: Geological characteristics and evolution of the axial zone on fast spreading mid-ocean ridges, J. Geophys. Res., 103, 9827-9855, 1998.
15. Gee, J., and D. V. Kent, Magnetization of axial lavas from the southern East Pacific Rise (14°-23° S): Geochemical controls on magnetic properties, J. Geophys. Res., 102, 24,873-24,886, 1997.
16. German, C. R. et al., Hydrothermal activity on the Reykjanes Ridge: The Steinahóll vent-field at 63°06′N, Earth Planet. Sci. Lett., 121, 647-654, 1994.
17. Harding, A. J., G. M. Kent, and J. A. Orcutt, A multichannel seismic investigation of upper crustal structure at 9°N on the East Pacific Rise: Implications for crustal accretion, J. Geophys. Res., 98 13,925-13,944, 1993.
18. Harrison, C. G. A., Marine magnetic anomalies: The origin of the stripes, Ann. Rev. Earth Planet. Sci., 15, 505-543, 1987.
19. Head, J. W., L. Wilson, and D. K. Smith, Mid-ocean ridge eruptive vents: Evidence for dike widths, eruption rates, and evolution of eruptions from morphology and structure, J. Geophys. Res., 101, 28,265-28,280, 1996.
20. Hey, R. N., M. C. Kleinrock, S. P. Miller, T. M. Atwater, and R. C. Searle, Sea Beam/Deep-Tow investigation of an active oceanic propagating rift system, Galapagos 95.5° W, J. Geophys. Res., 91, 3369-3393, 1986.
21. Johnson, G. L., and S. P. Jakobsson, Structure and petrology of the Reykjanes Ridge between 62°55′N and 63°48′N, J. Geophys. Res., 90, 10,073-10,083, 1985.
22. Johnson, G. L., P. R. Vogt, and E. D. Schneider, Morphology of the northeastern Atlantic and Labrador Sea, Dtsch. Hydrogr. Z., 24, 49-73, 1971.
23. Johnson, H. P., and J. M. Hall, A detailed rock magnetic and opaque mineralogy study of the basalts from the Nazca plate, Geophys. J. R. Astron. Soc., 52, 45-64, 1978.
24. Johnson, H. P., D. V. Patten, and W. S. Sager, Age-dependent variation in the magnetization of seamounts, J. Geophys. Res., 101, 13,701-13,714, 1996.
25. Keeton, J. A., R. C. Searle, B. Parsons, R. S. White, B. J. Murton, L. M. Parson, C. Peirce, and M. C. Sinha, Bathymetry of the Reykjanes Ridge, Mar. Geophys. Res., 19, 55-64, 1997.
26. Kent, G. M., A. J. Harding, and J. A. Orcutt, Evidence for a smaller magma chamber beneath the East Pacific Rise at 9°30′N, Nature, 344, 650-653, 1990.
27. Kent, G. M., A. J. Harding, J. A. Orcutt, R. S. Detrick, J. C. Mutter, and P. Buhl, Uniform accretion of oceanic crust south of the Garrett transform at 14°15′S on the East Pacific Rise, J. Geophys. Res., 99, 9097-9116, 1994.
28. Klitgord, K. D., Sea-floor spreading: The central anomaly magnetization high, Earth Planet. Sci. Lett., 29, 201-209, 1976.
29. Lagabrielle, Y., and M.-H. Cormier, Formation of large summit troughs along the East Pacific Rise as collapse calderas: An evolutionary model, J. Geophys. Res., 104, 12,971-12,988, 1999.
30. Langmuir, C. H., J. F. Bender, and R. Batiza, Petrological and tectonic segmentation of the East Pacific Rise, 5°30′-14°30′N, Nature, 322, 422-429, 1986.
31. Langmuir, C. H., E. M. Klein, and T. Plank, Petrological systematics of mid-ocean ridge basalts: Constraints on melt generation beneath ocean ridges, in Mantle Flow and Melt Generation at Mid-Ocean Ridges, Geophys. Monogr. Ser., vol. 71, edited by J. Phipps Morgan, D. K. Blackman, and J. M. Sinton, pp. 183-280, AGU, Washington, D.C., 1992.
32. Laughton, A. S., R. C. Searle, and D. G. Roberts, The Reykjanes Ridge crest and the transition between its rifted and non-rifted regions, Tectonophysics, 55, 173-177, 1979.
33. Lee, S.-M., S. C. Solomon, and M. A. Tivey, Fine-scale crustal magnetization variations and segmentation of the East Pacific Rise, 9°10′-9°50′N, J. Geophys. Res., 101, 22,033-22,050, 1996.
34. Macdonald, K. C., Linkages between faulting, volcanism, hydrothermal activity and segmentation on fast spreading centers, in Faulting and Magmatism at Mid-Ocean Ridges, Geophys. Monogr. Ser., vol. 106, edited by W. R. Buck et al., pp. 27-58, AGU, Washington, D.C., 1998.
35. Macdonald, K. C., S. P. Miller, S. P. Huestis, and F. N. Spiess, Three-dimensional modeling of a magnetic reversal boundary from inversion of deep-tow measurements, J. Geophys. Res., 85, 3670-3680, 1980.
36. Macdonald, K. C., P. J. Fox, L. J. Perram, M. F. Eisen, R. M. Haymon, S. P. Miller, S. M. Carbotte, M.-H. Cormier, and A. N. Shor, A new view of the mid-ocean ridge from the behavior of ridge-axis discontinuities, Nature, 335, 217-225, 1988.
37. Macnab, R., J. Verhoef, W. Roest, and J. Arkani-Hamed, New database documents the magnetic character of the Arctic and North Atlantic, Eos Trans. AGU, 76, 449,458, 1995.
38. Merrill, R. T., and M. W. McElhinny, The Earth's Magnetic Field: Its History, Origin and Planetary Perspective, 401 pp., Academic, San Diego, Calif., 1983.
39. Miller, S. P., The validity of the geological interpretations of marine magnetic anomalies, Geophys. J. R. Astron. Soc., 50, 1-21, 1977.
40. Minster, J. B., and T. H. Jordan, Present-day plate motions, J. Geophys. Res., 83, 5331-5354, 1978.
41. National Geophysical Data Center, GEODAS CD-ROM Worldwide Marine Geophysical Data, 2nd ed., data announcement 93-MGG-04, Nat. Oceanic and Atmos. Admin., U.S. Dep. of Commer., Boulder, Colo., 1993.
42. Nishimura, C. E., P. R. Vogt, L. Smith, and J. D. Boyd, Investigation of a possible underwater volcanic eruption on the Reykjanes Ridge by airborne sonobuoys and AXBTs (abstract), Eos Trans. AGU, 70, 1301, 1989.
43. Parker, R. L., and S. P. Huestis, The inversion of magnetic anomalies in the presence of topography, J. Geophys. Res., 79, 1587-1593, 1974.
44. Pariso, J. E., and H. P. Johnson, Do lower crustal rocks record reversals of the Earth's magnetic field? Magnetic petrology of oceanic gabbros from Ocean Drilling Program Hole 735B, J. Geophys. Res., 98, 16,013-16,032, 1993a.
45. Pariso, J. E., and H. P. Johnson, Do layer 3 rocks make a significant contribution to marine magnetic anomalies? In situ magnetization of gabbros at Ocean Drilling Program Hole 735B, J. Geophys. Res., 98, 16,033-16,052, 1993b.
46. Parson, L. M. et al., En echelon axial volcanic ridges at the Reykjanes Ridge: A life cycle of volcanism and tectonics, Earth Planet. Sci. Lett., 117, 73-87, 1993.
47. Sandwell, D. T., and W. H. F. Smith, Global marine gravity from ERS-1, Geosat and Seasat reveals new tectonic fabrics, Eos Trans. AGU, 73, (43), Fall Meet. Suppl., 133, 1992.
48. Sauter, D., L, Parson, V. Mendel, and FUJI Scientific Party, TOBI Sidescan imagery of the Southwest Indian Ridge I: Volcanic and bathymetric segmentation west of Melville fracture zone (FUJI Box 1), Eos Trans. AGU, 79, (17), Fall Meet. Suppl., F854-F855, 1998.
49. Schilling, J.-G., Iceland mantle plume: Geochemical study of Reykjanes Ridge, Nature, 242, 565-571, 1973.
50. Schilling, J.-G., Geochemical and isotopic variation along the Mid-Atlantic Ridge axis from 79°N to 0°N, in The Geology of North America, Vol. M, The Western North Atlantic Region, edited by P. R. Vogt and B. E. Tucholke, pp. 137-156, Geol. Soc. of Am., Boulder, Colo., 1986.
51. Schouten, H., and K. McCamy, Filtering marine magnetic anomalies, J. Geophys. Res., 77, 7089-7099, 1972.
52. Schouten, H., K.D. Klitgord, and J.A. Whitehead, Segmentation of mid-ocean ridges, Nature, 317, 225-229, 1985.
53. Searle, R. C., and A. S. Laughton, Fine-scale sonar study of tectonics and volcanism on the Reykjanes Ridge, Oceanol. Acta, 4, 5-13, 1981.
54. Searle, R. C., P. R. Field, and R. B. Owens, Segmentation and a nontransform ridge offset on the Reykjanes Ridge near 58°N, J. Geophys. Res., 99, 24,159-24,172, 1994.
55. Searle, R. C., J. A. Keeton, R. B. Owens, R. S. White, R. Mecklenburgh, B. Parsons, and S.-M. Lee, The Reykjanes Ridge: Structure and tectonics of a hot-spot-influenced, slow-spreading ridge, from multibeam bathymetry, gravity and magnetics investigations, Earth Planet. Sci. Lett., 160, 463-478, 1998.
56. Sémperé, J., K. C. Macdonald, and S. P. Miller, Overlapping spreading centres: 3-D inversion of magnetic field at 9°03′N on the East Pacific Rise, Geophys. J. R. Astron. Soc., 79, 799-811, 1984.
57. Sémperé, J.-C., L. Kristjansson, H. Schouten, J. Heirtzler, and G. L. Johnson, A detailed magnetic study of the Reykjanes Ridge between 63°00′N and 63°40′N, Mar. Geophys. Res., 12, 215-234, 1990.
58. 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, Philos. Trans. R. Soc. Lond. Ser. A, 355, 233-253, 1997.
59. Sinha, M. C., S. C. Constable, C. Peirce, A. White, G. Heinson, L. M. MacGregor, and D. A. Navin, Magmatic processes at slow spreading ridges: Implications of the RAMESSES experiment at 57°45′N on the Mid-Atlantic Ridge, Geophys. J. Int., 135, 731-745, 1998.
60. Sinton, J. M., and R. S. Detrick, Mid-ocean ridge magma chamber, J. Geophys. Res., 97, 197-216, 1992.
61. Sinton, J. M., D. S. Wilson, D. M. Christie, R. N. Hey, and J. R. Delaney, Petrologic consequences of rift propagation on oceanic spreading ridges, Earth Planet. Sci. Lett., 62, 193-207, 1983.
62. Sinton, J. M., S. M. Smaglik, J. J. Mahoney, and K. C. Macdonald, Magmatic processes at superfast spreading mid-ocean ridges: Glass compositional variations along the East Pacific Rise 13°-23°S, J. Geophys. Res., 96, 6133-6155, 1991.
63. Smallwood, J. R., and R. S. White, Crustal accretion at the Reykjanes Ridge, 61°-62°N, J. Geophys. Res., 103, 5185-5201, 1998.
64. Smith, D. K., and J. R. Cann, Building the crust at the Mid-Atlantic Ridge, Nature, 365, 707-715, 1993.
65. Smith, D. K. et al., Mid-Atlantic Ridge volcanism from deep-towed side-scan sonar images, 25°-29°N, J. Volcanol. Geotherm. Res., 67, 233-262, 1995a.
66. Smith, D. K., S. E. Humphris, and W. B. Bryan, A comparison of volcanic edifices at the Reykjanes Ridge and the Mid-Atlantic Ridge at 24°-30°N, J. Geophys. Res., 100, 22,485-22,498, 1995b.
67. Smith, W. H. F., and P. Wessel, Gridding with continuous curvature splines in tension, Geophysics, 55, 293-305, 1990.
68. Taiwani, M., C. C. Windisch, J. Marcus, and G. Langseth, Reykjanes Ridge crest: A detailed geophysical study, J. Geophys. Res., 76, 473-517, 1971.
69. Taylor, R. N., B. J. Murton, and M. F. Thirwall, Petrographic and geochemical variation along the Reykjanes Ridge, 57°N-59°N, J. Geol. Soc. Lond., 152, 1031-1037, 1995.
70. Taylor, R. N., M. F. Thirwall, B. J. Murton, D. R. Hilton, and M. A. M. Gee, Isotopic constraints on the influence of the Icelandic plume, Earth Planet. Sci. Lett., 148, E1-E8, 1997.
71. Tivey, M. A., and H. P. Johnson, The central anomaly magnetic high: Implications for ocean crust construction and evolution, J. Geophys. Res., 92, 12,685-12,694, 1987.
72. Tivey, M. A., and H. P. Johnson, Variations in oceanic crustal structure and implications for the fine-scale magnetic anomaly signal, Geophys. Res. Lett., 20, 1879-1882, 1993.
73. Vogt, P. R., Asthenosphere motion recorded by the ocean floor south of Iceland, Earth Planet. Sci. Lett., 13, 153-160, 1971.
74. Vogt, P. R., The Icelandic phenomenon: Imprints of a hot spot on the ocean crust and implications for flow below the plates, in Geodynamics of Iceland and the North Atlantic Area, edited by L. Kristjansson, pp. 105-126, D. Reidel, Norwell, Mass., 1974.
75. Vogt, P. R., Magnetic anomalies and crustal magnetization, in The Geology of North America, Vol. M, The Western North Atlantic Region, edited by P. R. Vogt and B. E. Tucholke, pp 229-256, Geol. Soc. of Am., Boulder, Colo., 1986.
76. Vogt, P. R., and O. E. Avery, Detailed magnetic surveys in the northeast Atlantic and Labrador Sea, J. Geophys. Res., 79, 363-389, 1974.
77. Walker, G. P. L., Basaltic-volcano systems, in Magmatic Processes and Plate Tectonics, edited by H. M. Prichard et al., Geol. Soc. Spec. Pub., 76, 3-38, 1993.
78. White, R. S., Rift-plume interaction in the North Atlantic, Philos. Trans. R. Soc. Lond. Ser. A, 355, 319-339, 1997.
79. White, R. S., J. W. Bown, and J. R. Smallwood, The temperature of the Iceland plume and origin of outward-propagating V-shaped ridges, J. Geol. Soc. Lond., 152, 1039-1045, 1995.