Anomalously rotated abyssal hills along active transforms: Distributed deformation of oceanic lithosphere

Geology

Volumn 27, Issue 11, 1999, Pages 1003-1006

  Sonder, Leslie J ^a   Pockalny, Robert A ^b  

^a Dartmouth College   (United States)

^b UNIVERSITY OF RHODE ISLAND   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CLAY ALTERATION; ELASTICITY;

DISTRIBUTED DEFORMATION; HYDROTHERMAL ALTERATIONS; LITHOSPHERIC RHEOLOGY; OCEANIC LITHOSPHERE; PHYSICAL CONDITIONS; PORE FLUID PRESSURE; POWER-LAW RHEOLOGY; THIN VISCOUS SHEET;

CREEP;

ABYSSAL HILL; OCEANIC LITHOSPHERE; PLATE MOTION; TRANSFORM FAULT;

EID: 0033368898     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(1999)027<1003:ARAHAA>2.3.CO;2     Document Type: Article

References (41)

1. Barth, G., Kastens, K. A., and Klein, E. M., 1994, The origin of bathymetric highs at ridge-transform intersections: A multi-disciplinary case study at the Clipperton Fracture Zone: Marine Geophysical Researches, v. 16, p. 1-50.
2. Buck, R., 1997, Bending thin lithosphere causes localized "snapping" and not distributed "crunching": Implications fro abyssal hill formation: Geophysical Research Letters, v. 24, p. 2531-2534.
3. Cande, S. C. Raymond, C. A., Stock, J., and Haxby, W. F., 1995, Geophysics of the Pitman Fracture Zone and Pacific. Antarctic plate motions during the Cenozoic: Science, v. 270, p. 947-953.
4. Carbotte, S. M., and Macdonald, K. C., 1992, East Pacific Rise 8°-10°30′: Evolution of ridge segments and discontinuities from SeaMARC II and three-dimensional magnetic studies: Journal of Geophysical Research, v. 97, p. 6959-6982.
5. Carrigan, K., Pockalny, R. A., and Tighe, S. A., 1997, Evidence of a recent change in plate motion (-0.5 Ma) Involving the Pacific, Cocos, Nazca and Antarctic plates: Eos (Transactions, American Geophysical Union), v. 78, p. F727.
6. Carslaw, H. S., and Jaeger, J. C., 1959, Conduction of heat in solids: New York, Oxford University Press, 510 p.
7. Crane, K., 1976, The intersection of the Siqueiros transfrom fault and the East Pacific rise: Marine Geology, v. 21, p. 25-46.
8. Dietz, R. S., Menard, H. W., and Hamilton, E. L., 1954. Echograms of the mid-Pacific expedition: Deep Sea Research, v. 1, p. 258-272.
9. England, P. C., and McKenzie, D. P., 1982, A thin viscous shell model for continental deformation: Royal Astronomical Society Geophysical Journal, v. 70, p. 295-321.
10. England, P., Houseman, G., and Sonder, L., 1985, Length scales for continental deformation in convergent, divergent, and strike-slip environments: Analytical and approximate solutions for thin viscous sheet model: Journal of Geophysical Research, v. 90, p. 3551-3557.
11. Fornari, D. J., Gallo, D. G., Edwards, M. H., Madsen, J. A., Perfit, M. R., and Shor, A. N., 1989, Structure and topography of the Siqueiros transform fault system: Evidence for the development of intra-transform spreading centers: Marine Geophysical Researches, v. 11, p. 263-299.
12. Fox, P. J., and Gallo, D. G., 1984, A tectonic model for ridge-transform-ridge plate boundaries: Implications for the structure of oceanic lithosphere: Tectonophysics, v. 104, p. 205-242.
13. Fox, P. J., and Gallo, D. G., 1986. The geology of the north Atlantic transform plate boundaries and their aseismic extensions, in Tucholke B. E., and Vogt, P. R., eds., The western North Atlantic region: Boulder, Colorado, Geological Society of America, Geology of North America, v. M, p. 157-172.
14. Fujita, K., and Sleep, N. H., 1978. Membrane stresses near mid-ocean ridge-transform intersections: Tectonophysics, v. 50, p. 207-221.
15. Gallo, D. G., Fox. P. J., and Macdonald, K. C., 1986, A Sea Beam investigation of the Clipperton transform fault: The morphotectonic expression of a fast slipping transform boundary: Journal of Geophysical Research, v. 91. p. 3455-3467.
16. Goff, J. A., 1992. Quantitative characterization of abyssal hill morphology along flow lines in the Atlantic Ocean: Journal of Geophysical Research, v. 97. p. 9183-9202.
17. Grindlay, N. R., and Fox, P. J., 1993, Lithospheric stresses associated with noontsform offsets of the Mid-Atlantic ridge: Implications from a finite element analysis: Tectonics, v. 12, p. 982-1003.
18. Grindlay, N. R., Fox, P. J. and Macdonald, K. C. 1991, Second-order ridge axis discontinuites in the South Atlantic: Morphology, structure, and evolution: Marine Geophysical Researches, v. 13, p. 21-49.
19. Isacks, B., Oliver, J., and Sykes, L., 1968, Seismology and the new global tectonics: Journal of Geophysical Research, v. 73, p. 5855-5899.
20. Kappel, E. S., and Ryan, W. B. F., 1986, Volcanic episodicity and a non-steady-state rift valley along northeast Pacific spreading centers: Evidence from Sea MARC I: Journal of Geophysical Research, v.91, p. 13,925-13,940.
21. Kleinrock, M. C., and Bird, R. T., 1994, Southeastern boundary of the Juan Fernandez microplate: Braking microplate rotation and deforming the Antarctic plate: Journal of Geophysical Research, v. 99, p. 9237-9261.
22. Lonsdale, P., 1977, Structural geomorphology of a fastspreading rise crest: The East Pacific Rise near 3°25′S: Marine Geophysical Researches, v. 3, p. 251-293.
23. Lonsdale, P.,1978, Near-bottom reconnaissance of a fast-slipping transform fault zone at the Pacific-Nazca plate boundary: Journal of Geology, v.86 p.451-472.
24. 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: Journal of Geophysical Research, v. 99, p. 17,921-17,934.
25. Macdonald, K. C., 1986, The crest of the Mid-Atlantic Ridge: Models for curstal generation processes and tectonics, in Vogt, P. R., and Tucholke, B. E., eds., The western North Atlantic region: Boulder, Colorado, Geological Society of America, Geology of North America, v. M, p. 51-68.
26. Macdonald, K. C., Fox P. J., Miller, S. P., Carbotte, S. M., Edwards, M. H., Eisen, M., Fornari, D., Perram, L. J., Pockalny, R. A., Scheirer, D. S., Tighe, S., Weiland, C., and Wilson, D., 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: Marine Geophysical Researches, V. 14, p. 299-344.
27. Macdonald, K. C., Fox, P.J., Alexander, R. T., Pockalny, R. A., and Gente, P., 1996, Seafloor topography: A faulted or volcanic origin?: Nature, v. 380, p. 125-129.
28. McKenzie, D., and Jackson, J., 1983, The relationship between strain rates, crustal thinning, paleomagnetism, finite strain and fault movements within a deforming zone: Earth and Planetary Science Letters, v. 65, p. 182-202.
29. Menard, H. W., 1960, The (East Pacific Rise: Science, v. 132. p. 1737-1746
30. Morgan, W. J., 1968, Rises, trenches, great faults, and crustal blocks: Journal of Geophysical Research, v. 73, p. 1959-1982.
31. Nelson, M. R., and Jones, C. H., 1987. Paleomagnetism and crustal rotations along a shear zone, Las Vegas Range, southern Nevada: Tectonics, v. 6, p. 13-33.
32. Parmentier, E. M., 1991, The width of strike-slip fault zones in a brittle-viscous lithosphere: Application to oceanic transform faults: Eos (Transactions, American Geophysical Union), v. 72. p. 472.
33. Phipps Morgan, J., and Forsyth, D. W., 1988, Threedimensional flow and temperature perturbations due to a transform offset: Effects on oceanic crustal and upper mantle structure: Journal of Geophysical Research, v. 93, p. 2955-2966.
34. Phipps Morgan, J., and Parmentier, E. M., 1984, Lithospheric stress near a ridge-transform intersection: Geophysical Research Letters, v. 11, p. 113-116.
35. Pockalny, R. A., 1997, Evidence of transpression along the Clipperton transform: Implications for processes of plate boundary reorganization: Earth and Planetary Science Letters, v. 146, p. 449-464.
36. Pockalny, R. A., Fox. P. J., Macdonald, K. C., Fornari, D. J., and Perfit, M. R., 1997, Tectonic reconstruction of the Clipperton and Siqueiros fracture zones: Evidence and consequences of plate motion change for the last 3 Myrs: Journal of Geophysical Research, v. 102, p. 3167-3181.
37. Sclater, J. G., Jaupart, C., and Galson, D., 1980, The heat flow through oceanic and continental crust and the heat loss of the earth: Reviews in Geophysics and Space Physics, v. 18, p. 269-311.
38. Searle, R., 1984, GLORIA survey of the East Pacific Rise Near 3.5°S: Tectonic and volcanic characteristics of a fast spreading mid-ocean rise: Tectonophysics, v. 101, p. 319-344.
39. Sonder, L. J., and England, P. C., 1986, Vertical averages of rheology of the continental lithosphere: Relation to thin sheet parameters: Earth and Planetary Science Letters, v. 77, p. 81-90.
40. Sonder, L. J., England, P. C., and Houseman, G. A., 1986, Continuum calculations of continental deformation in transcurrent environments: Journal of Geophysical Research, v. 91, p. 4797-4810.
41. Wilson, J. T., 1965, A new class of faults and their bearing on continental drift: Nature, v. 207, p. 343-347.