Sub-slab mantle anisotropy beneath south-central Chile

Earth and Planetary Science Letters

Volumn 357-358, Issue , 2012, Pages 203-213

  Hicks, Stephen P ^a   Nippress, Stuart E J ^a   Rietbrock, Andreas ^a  

^a UNIVERSITY OF LIVERPOOL   (United Kingdom)

Author keywords

Asthenospheric entrainment; Mantle flow; Seismic anisotropy; Shear wave splitting; South central Chile; Subduction

Indexed keywords

MANTLE FLOW; SEISMIC ANISOTROPY; SHEAR WAVE SPLITTING; SOUTH-CENTRAL CHILE; SUBDUCTION;

GEODYNAMICS; OLIVINE; SHEAR WAVES; STRAIN RATE; TECTONICS;

ANISOTROPY;

ANISOTROPY; ASTHENOSPHERE; CONVERGENT MARGIN; FINITE ELEMENT METHOD; GEODYNAMICS; NAZCA PLATE; S-WAVE; SEISMIC ANISOTROPY; SLAB; SUBDUCTION ZONE; TELESEISMIC WAVE; UPPER CRUST;

CHILE;

EID: 84867612863     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2012.09.017     Document Type: Article

References (86)

1. Abt D., Fischer K. Resolving three-dimensional anisotropic structure with shear wave splitting tomography. Geophys. J. Int. 2008, 173(3):859-886.
2. Anderson M., Zandt G., Triep E., Fouch M., Beck S. Anisotropy and mantle flow in the Chile-Argentina subduction zone from shear wave splitting analysis. Geophys. Res. Lett. 2004, 31(23):L23608.
3. Angermann D., Klotz J., Reigber C. Space-geodetic estimation of the Nazca-South America Euler vector. Earth Planet. Sci. Lett. 1999, 171(3):329-334.
4. Asch G., Schurr B., Bohm M., Yuan X., Haberland C., Heit B., Kind R., Woelbern I., Bataille K., Comte D., et al. Seismological studies of the Central and Southern Andes. The Andes 2006, 443-457.
5. Bastow I., Thompson D., Wookey J., Kendall J., et al. Precambrian plate tectonics. seismic evidence from northern Hudson Bay, Canada. Geology 2011, 39(1):91.
6. Becker T., Boschi L. A comparison of tomographic and geodynamic mantle models. Geochem. Geophys. Geosyst. 2002, 3:1003.
7. Becker T., Chevrot S., Schulte-Pelkum V., Blackman D. Statistical properties of seismic anisotropy predicted by upper mantle geodynamic models. J. Geophys. Res. 2006, 111(B10):B08309.
8. Billen M., Hirth G. Newtonian versus non-newtonian upper mantle viscosity. implications for subduction initiation. Geophys. Res. Lett. 2005, 321:19304.
9. Billen M., Hirth G. Rheologic controls on slab dynamics. Geochem. Geophys. Geosyst. 2007, 8:Q08012.
10. Bock G., Kind R., Rudloff A., Asch G. Shear wave anisotropy in the upper mantle beneath the Nazca plate in northern Chile. J. Geophys. Res. 1998, 103(B10):24333.
11. Bohm M., Lüth S., Echtler H., Asch G., Bataille K., Bruhn C., Rietbrock A., Wigger P. The southern andes between 36 and 40 s latitude. seismicity and average seismic velocities. Tectonophysics 2002, 356(4):275-289.
12. Brechner S., Klinge K., Krüger F., Plenefisch T. Backazimuthal variations of splitting parameters of teleseismic SKS phases observed at the broadband stations in Germany. Pure Appl. Geophys. 1998, 151(2):305-332.
13. Browaeys J., Chevrot S. Decomposition of the elastic tensor and geophysical applications. Geophys. J. Int. 2004, 159(2):667-678.
14. Christensen D., Abers G. Seismic anisotropy under central Alaska from SKS splitting observations. J. Geophys. Res. 2010, 115(B4):B04315.
15. Conder J., Wiens D., Morris J. On the decompression melting structure at volcanic arcs and back-arc spreading centers. Geophys. Res. Lett. 2002, 29(15):1727.
16. Collings, R., Lange, D., Tilmann, F., Nippress, S., Natawidjaja, D. Seismic anisotropy in the Sumatra subduction zone. J. Geophys. Res., submitted for publication.
17. Contreras-Reyes E., Grevemeyer I., Flueh E., Scherwath M., Heesemann M. Alteration of the subducting oceanic lithosphere at the southern central Chile trench-outer rise. Geochem. Geophys. Geosyst. 2007, 8(7):Q07003.
18. Crampin S. The fracture criticality of crustal rocks. Geophys. J. Int. 1994, 118(2):428-438.
19. Crampin S., Peacock S., Gao Y., Chastin S. The scatter of time-delays in shear-wave splitting above small earthquakes. Geophys. J. Int. 2004, 156(1):39-44.
20. Crotwell H., Owens T., Ritsema J. The TauP Toolkit. flexible seismic travel-time and ray-path utilities. Seismol. Res. Lett. 1999, 70:154-160.
21. Currie C., Cassidy J., Hyndman R., Bostock M. Shear wave anisotropy beneath the Cascadia subduction zone and western North American craton. Geophys. J. Int. 2004, 157(1):341-353.
22. Dabrowski M., Krotkiewski M., Schmid D. MILAMIN. MATLAB-based finite element method solver for large problems. Geochem. Geophys. Geosyst. 2008, 9(4):Q04030.
23. Evans M., Kendall J., Willemann R. Automated SKS splitting and upper-mantle anisotropy beneath canadian seismic stations. Geophys. J. Int. 2006, 165(3):931-942.
24. Faccenda M., Burlini L., Gerya T., Mainprice D. Fault-induced seismic anisotropy by hydration in subducting oceanic plates. Nature 2008, 455(7216):1097-1100.
25. Fischer K., Parmentier E., Stine A., Wolf E. Modeling anisotropy and plate-driven flow in the Tonga subduction zone back arc. J. Geophys. Res. 2000, 105(B7):16181.
26. Foley B., Long M. Upper and mid-mantle anisotropy beneath the tonga slab. Geophys. Res. Lett. 2011, 38(2):L02303.
27. Fry, A., Kusznir, N., Rietbrock, A., Dabrowski, M., Podladchikov, Y., 2009. Modelling stress accumulation and dissipation in subducting lithosphere and the origins of double and triple seismic zones, In: AGU Fall Meeting Abstracts, vol. 1. p. 1917.
28. Gripp A., Gordon R. Young tracks of hotspots and current plate velocities. Geophys. J. Int. 2002, 150(2):321-361.
29. Groß K., Micksch U. The reflection seismic survey of project TIPTEQ-the inventory of the Chilean subduction zone at 38.2°S. Geophys. J. Int. 2008, 172(2):565-571.
30. Haberland C., Rietbrock A., Lange D., Bataille K., Dahm T. Structure of the seismogenic zone of the southcentral Chilean margin revealed by local earthquake traveltime tomography. J. Geophys. Res. 2009, 114(B1):B01317.
31. Haberland C., Rietbrock A., Lange D., Bataille K., Hofmann S. Interaction between forearc and oceanic plate at the south-central Chilean margin as seen in local seismic data. Geophys. Res. Lett. 2006, 33(23):L23302.
32. Hammond J., Wookey J., Kaneshima S., Inoue H., Yamashina T., Harjadi P. Systematic variation in anisotropy beneath the mantle wedge in the Java-Sumatra subduction system from shear-wave splitting. Phys. Earth Planet. In. 2010, 178(3-4):189-201.
33. Hartog R., Schwartz S. Subduction-induced strain in the upper mantle east of the Mendocino triple junction, California. J. Geophys. Res. 2000, 105(B4):7909-7930.
34. Hayes G., Wald D. Developing framework to constrain the geometry of the seismic rupture plane on subduction interfaces a priori-a probabilistic approach. Geophys. J. Int. 2009, 176(3):951-964.
35. Healy D., Reddy S., Timms N., Gray E., Brovarone A. Trench-parallel fast axes of seismic anisotropy due to fluid-filled cracks in subducting slabs. Earth Planet. Sci. Lett. 2009, 283(1-4):75-86.
36. Heidbach, O., Tingay, M., Barth, A., Reinecker, J., Kurfeß, D., Müller, B., 2008. The World Stress Map database release 2008 WSM. Rel2008. doi:10.1594/GFZ.
37. Helffrich G., Wiens D., Vera E., Barrientos S., Shore P., Robertson S., Adaros R. A teleseismic shear-wave splitting study to investigate mantle flow around South America and implications for plate-driving forces. Geophys. J. Int. 2002, 149(1):F1-F7.
38. Huang Z., Zhao D., Wang L. Shear wave anisotropy in the crust, mantle wedge, and subducting Pacific slab under northeast Japan. Geochem. Geophys. Geosyst. 2011, 12(1):Q01002.
39. Ismail W., Mainprice D. An olivine fabric database. an overview of upper mantle fabrics and seismic anisotropy. Tectonophysics 1998, 296(1-2):145-157.
40. Kaminski E., Ribe N., Browaeys J. D-Rex, a program for calculation of seismic anisotropy due to crystal lattice preferred orientation in the convective upper mantle. Geophys. J. Int. 2004, 158(2):744-752.
41. Karato S., Jung H., Katayama I., Skemer P. Geodynamic significance of seismic anisotropy of the upper mantle. new insights from laboratory studies. Annu. Rev. Earth Planet. Sci. 2008, 36(1):59.
42. Kawakatsu H., Kumar P., Takei Y., Shinohara M., Kanazawa T., Araki E., Suyehiro K. Seismic evidence for sharp lithosphere-asthenosphere boundaries of oceanic plates. Science 2009, 324(5926):499.
43. Kennett B., Engdahl E., Buland R. Constraints on seismic velocities in the Earth from traveltimes. Geophys. J. Int. 1995, 122(1):108-124.
44. Kneller E., Long M., van Keken P. Olivine fabric transitions and shear wave anisotropy in the ryukyu subduction system. Earth Planet. Sci. Lett. 2008, 268(3):268-282.
45. Kneller E., Van Keken P. Nature 2007, 450(7173):1222-1225.
46. Kneller E., van Keken P. Effect of three-dimensional slab geometry on deformation in the mantle wedge. implications for shear wave anisotropy. Geochem. Geophys. Geosyst. 2008, 9(1):Q01003.
47. Kumazawa M., Anderson O. Elastic moduli, pressure derivatives and temperature derivatives, of single-crystal olivine and single-crystal forsterite. J. Geophys. Res. 1969, 74(25):5961-5972.
48. Lallemand S., Heuret A., Faccenna C., Funiciello F. Subduction dynamics as revealed by trench migration. Tectonics 2008, 27(3):TC3014.
49. Lassak T., Fouch M., Hall C., Kaminski É. Seismic characterization of mantle flow in subduction systems. can we resolve a hydrated mantle wedge?. Earth Planet. Sci. Lett. 2006, 243(3-4):632-649.
50. Long M., Gao H., Klaus A., Wagner L., Fouch M., James D., Humphreys E. Shear wave splitting and the pattern of mantle flow beneath eastern Oregon. Earth Planet. Sci. Lett. 2009, 288(3-4):359-369.
51. Long M., Silver P. The subduction zone flow field from seismic anisotropy. a global view. Science 2008, 319(5861):315.
52. Long M., Silver P. Mantle flow in subduction systems. the subslab flow field and implications for mantle dynamics. J. Geophys. Res. 2009, 114(B10):B10312.
53. Long M., van der Hilst R. Shear wave splitting from local events beneath the Ryukyu arc. trench-parallel anisotropy in the mantle wedge. Phys. Earth Planet. In. 2006, 155(3-4):300-312.
54. MacDougall, J., Fischer, K., Anderson, M., 2010. Shear-wave splitting and mantle anisotropy in the southern South American subduction zone. In: AGU Fall Meeting Abstracts, vol. 1. p. 2046.
55. Mainprice D., Tommasi A., Couvy H., Cordier P., Frost D. Pressure sensitivity of olivine slip systems and seismic anisotropy of earth's upper mantle. Nature 2005, 433(7027):731-733.
56. McNamara D., Owens T., Silver P., Wu F. Shear wave anisotropy beneath the Tibetan Plateau. J. Geophys. Res. 1994, 99(B7). 13655-13.
57. Melnick D., Bookhagen B., Strecker M., Echtler H. Segmentation of megathrust rupture zones from fore-arc deformation patterns over hundreds to millions of years, Arauco peninsula, Chile. J. Geophys. Res. 2009, 114(B1):B01407.
58. Melnick D., Echtler H. Morphotectonic and geologic digital map compilations of the south-central Andes (36-42 S). The Andes 2006, 565-568.
59. Müller R., Sdrolias M., Gaina C., Roest W. Age, spreading rates, and spreading asymmetry of the world's ocean crust. Geochem. Geophys. Geosyst. 2008, 9(4):Q04006.
60. Nippress S., Kusznir N., Kendall J. Modeling of lower mantle seismic anisotropy beneath subduction zones. Geophys. Res. Lett. 2004, 31(19):L19612.
61. Nippress S., Kusznir N., Kendall J. LPO predicted seismic anisotropy beneath a simple model of a mid-ocean ridge. Geophys. Res. Lett. 2007, 34(14):L14309.
62. Niu F., Perez A. Seismic anisotropy in the lower mantle. a comparison of waveform splitting of SKS and SKKS. Geophys. Res. Lett. 2004, 31(24):L24612.
63. Obayashi M., Yoshimitsu J., Fukao Y. Tearing of stagnant slab. Science 2009, 324(5931):1173.
64. Ozalaybey S., Savage M. Shear-wave splitting beneath western United States in relation to plate tectonics. J. Geophys. Res. 1995, 100(B9). 18135-18.
65. Peyton V., Levin V., Park J., Brandon M., Lees J., Gordeev E., Ozerov A. Mantle flow at a slab edge. seismic anisotropy in the Kamchatka region. Geophys. Res. Lett. 2001, 28(2):379-382.
66. Phipps Morgan J., Hasenclever J., Hort M., Rüpke L., Parmentier E. On subducting slab entrainment of buoyant asthenosphere. Terra Nova 2007, 19(3):167-173.
67. Polet J., Silver P., Beck S., Wallace T., Zandt G., Ruppert S., Kind R., Rudloff A. Shear wave anisotropy beneath the Andes from the BANJO, SEDA, and PISCO experiments. J. Geophys. Res. 2000, 105(B3):6287-6304.
68. Restivo A., Helffrich G. Teleseismic shear wave splitting measurements in noisy environments. Geophys. J. Int. 1999, 137:821-830.
69. Richardson R., Coblentz D. Stress modeling in the andes. constraints on the south american intraplate stress magnitudes. J. Geophys. Res. 1994, 99(B11):22015-22022.
70. Rieger D., Park J. USArray observations of quasi-Love surface wave scattering. orienting anisotropy in the Cascadia plate boundary. J. Geophys. Res. 2010, 115(B5):B05306.
71. Rietbrock A., Haberland C., Bataille K., Dahm T., Oncken O. Studying the seismogenic coupling zone with a passive seismic array. Eos Trans. AGU 2005, 86(32):293.
72. Rokosky J., Lay T., Garnero E. Small-scale lateral variations in azimuthally anisotropic D"structure beneath the Cocos Plate. Earth Planet. Sci. Lett. 2006, 248(1-2):411-425.
73. Russo R. Subducted oceanic asthenosphere and upper mantle flow beneath the Juan de Fuca slab. Lithosphere 2009, 1(4):195.
74. Russo R., Gallego A., Comte D., Mocanu V., Murdie R., VanDecar J. Source-side shear wave splitting and upper mantle flow in the Chile Ridge subduction region. Geology 2010, 38(8):707.
75. Russo R., Silver P. Trench-Parallel flow beneath the Nazca plate from seismic anisotropy. Science 1994, 263(5150):1105.
76. Savage M. Seismic anostropy and mantle deformation. what have we learned from shear wave splitting?. Rev. Geophys. 1999, 37(1):65-106.
77. Savage M., Silver P. Mantle deformation and tectonics. constraints from seismic anisotropy in the western United States. Phys. Earth Planet. In. 1993, 78(3-4):207-227.
78. Silver P., Chan W. Shear wave splitting and subcontinental mantle deformation. J. Geophys. Res. 1991, 96(B10):16429.
79. Soto G., Ni J., Grand S., Sandvol E., Valenzuela R., Speziale M., González J., Reyes T. Mantle flow in the Rivera-Cocos subduction zone. Geophys. J. Int. 2009, 179(2):1004-1012.
80. Stein C., Stein S. A model for the global variation in oceanic depth and heat flow with lithospheric age. Nature 1992, 359(6391):123-129.
81. Steinberger B., Sutherland R., O'connell R. Prediction of emperor-hawaii seamount locations from a revised model of global plate motion and mantle flow. Nature 2004, 430(6996):167-173.
82. Teanby N., Kendall J., Van der Baan M. Automation of shear-wave splitting measurements using cluster analysis. Bull. Seismol. Soc. Am. 2004, 94(2):453.
83. Tebbens S., Cande S. Southeast Pacific tectonic evolution from early Oligocene to present. J. Geophys. Res. 1997, 102(B6). 12061-12.
84. Wessel P., Smith W. New improved version of generic mapping tools released. Eos. Trans. AGU 1998, 79:579.
85. Wirth E., Long M.D. Frequency-dependent shear wave splitting beneath the Japan and Izu-Bonin subduction zones. Phys. Earth Planet. Inter. 2010, 181:141-154.
86. Wolfe C., Silver P. Seismic anisotropy of oceanic upper mantle. shear wave splitting methodologies and observations. J. Geophys. Res. 1998, 103(B1):749-771.