Crustal anisotropy in southwest Ireland from analysis of controlled source shear-wave data

Tectonophysics

Volumn 474, Issue 3-4, 2009, Pages 571-583

  Readman, P W ^a   Hauser, F ^a   O'Reilly, B M ^a   Do, V C ^a  

^a DUBLIN INSTITUTE FOR ADVANCED STUDIES   (Ireland)

Author keywords

Crustal studies; Seismic anisotropy; Shear waves; Wide angle data

Indexed keywords

CONTROLLED SOURCE; CRUSTAL ANISOTROPY; CRUSTAL STUDIES; DEGREES OF ANISOTROPY; EARTH'S SURFACE; IN-LINE; IRELAND; LOWER CRUST; MANTLE LEVEL; S-WAVE VELOCITY; S-WAVES; SEISMIC ANISOTROPY; SEISMIC PHASIS; SYNTHETIC SEISMOGRAM; THREE-COMPONENT; TIME ANALYSIS; TIME-DIFFERENCES; VERTICAL COMPONENT; WAVE DATA; WIDE-ANGLE DATA;

SEISMOLOGY; SHEAR WAVES; UNCERTAINTY ANALYSIS;

ANISOTROPY;

BODY WAVE; CONTROL SYSTEM; CRUSTAL STRUCTURE; EXPERIMENTAL STUDY; LOWER CRUST; S-WAVE; SEISMIC ANISOTROPY; SEISMIC DATA; SEISMOGRAPH; TRAVEL TIME; UNCERTAINTY ANALYSIS; UPPER CRUST;

EURASIA; EUROPE; IRELAND; WESTERN EUROPE;

EID: 69249217721     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tecto.2009.04.029     Document Type: Article

References (46)

1. Babuška V., and Cara M. Seismic Anisotropy of the Earth (1991), Kluwer Academic Publishers, Dordrecht 217 pp.
2. Barruol G., and Mainprice D. A quantitative evaluation of the contribution of crustal rocks to the shear-wave splitting of teleseismic SKS waves. Phys. Earth Planet. Inter. 78 (1993) 281-300
3. Barruol G., and Kern H. Seismic anisotropy and shear-wave splitting in lower-crustal and upper-mantle rocks from the Ivrea Zone - experimental and calculated data. Phys. Earth Planet. Inter. 95 (1996) 175-194
4. Bean C.J., and Jacob A.W.B. P-wave anisotropy in the lower lithosphere. Earth Planet. Sci. Lett. 99 (1990) 58-65
5. Bevington P.R. Data Reduction and Error Analysis for the Physical Sciences (1969), McGraw-Hill, New York
6. Booth D.C., and Crampin S. The anisotropy reflectivity technique: theory, Geophys. J. Int. 72 (1983) 755-766
7. Carbonell R., and Smithson S.B. Large-scale anisotropy within the crust in the basin and range province. Geology 19 (1991) 698-701
8. Carbonell R., Gallart J., Perez-Estaun A., Diaz J., Kashubin S., Mechie J., Wenzel F., and Knapp J. Seismic wide-angle constraints on the crust of the southern Urals. J. Geophys. Res. 105 (2000) 13755-13777
9. Cholach P.Y., Molyneux J.B., and Schmitt D.R. Flin flon Belt seismic anisotropy: elastic symmetry, heterogeneity, and shear-wave splitting. Can. J. Earth Sci. 42 (2005) 533-554
10. Christensen N.I., and Mooney W.D. Seismic velocity structure and composition of the continental crust: a global view. J. Geophys. Res. 100 (1995) 9761-9788
11. Dewey J.F., and Strachan R.A. Changing Silurian-Devonian relative plate motion in the Caledonides: sinistral transpression to sinistral transtension. J. Geol. Soc. Lond. 160 (2003) 219-229
12. Do V.C., Readman P.W., O'Reilly B.M., and Landes M. Geophys. Res. Lett. 33 (2006) L03309 10.1029/2005GL024496
13. Fuchs K., and Müller G. Computation of synthetic seismograms with the reflectivity method and comparison with observations. Geophys. J. R. Astr. Soc. 23 (1971) 417-433
14. Godfrey N.J., Christensen N.I., and Okaya D.A. Anisotropy of schists: contribution of crustal anisotropy to active source seismic experiments and shear wave splitting observations. J. Geophys. Res. 105 (2000) 27991-28007
15. Hauser F., O'Reilly B.M., Readman P.W., Daly J.S., and Van den Berg R. Constraints on crustal structure and composition within a continental suture zone in the Irish Caledonides from shear-wave wide-angle reflection data and lower crustal zenoliths. Geophys. J. Int. 175 (2008) 1254-1272
16. Holbrook W.S., Mooney W.D., and Christensen N.I. The seismic velocity structure of the deep continental crust. In: Fountain D.M., Arculus R., and Kay R.W. (Eds). The continental lower crust - developments in Geotectonics series (1992), Elsevier, Amsterdam 1-34
17. Jacob A.W.B. Dispersed shots at optimum depth - an efficient seismic source for Lithospheric Studies. J. Geophys. 41 (1975) 63-70
18. Jacob A.W.B., Kaminski W., Murphy T., Philips W.E.A., and Prodehl C. A crustal model for a northeast-southwest profile through Ireland. Tectonophysics 113 (1985) 75-103
19. Jones K.A., Warner M.R., Morgan R.P.Ll., Morgan J.V., Barton P.J., and Price C.E. Coincident normal-incident and wide-angle reflections from the Moho: evidence for crustal seismic anisotropy. Tectonophysics 264 (1996) 205-217
20. Jones K., Warner M., and Brittan J. Anisotropy in multi-offset deep-crustal seismic experiments. Geophys. J. Int. 138 (1999) 300-318
21. Landes, M., 2001. A wide-angle seismic study of SW Ireland, Ph.D. thesis, The National University of Ireland, Ireland, 192pp.
22. Landes M., Prodehl C., Hauser F., Jacob A.W.B., and Vermeulen N.J. VARNET-96: Influence of Variscan and Caledonian orogenies on crustal structure in SW Ireland. Geophys. J. Int. 140 (2000) 660-676
23. Lowe C., and Jacob A.W.B. A north-south seismic refraction profile across the Caledonian Suture Zone in Ireland. Tectonophysics 186 (1989) 297-318
24. Masson F., Jacob A.W.B., Prodehl C., Readman P.W., Shannon P.M., Schulze A., and Enderle U. A wide-angle seismic traverse through the Variscan of SW Ireland. Geophys. J. Int. 134 (1998) 689-705
25. Mechie J., Abu-Ayyash K., Ben-Avraham Z., El-Kelani R., Mohsen A., Rümpker G., Saul J., and Weber M. Crustal shear velocity structure across the Dead Sea Transform from two-dimensional modelling of DESERT project explosion seismic data. Geophys. J. Int. 160 (2005) 910-924
26. Meissner R., Rabbel W., and Kern H. Seismic lamination and anisotropy of the lower continental crust. Tectonophysics 416 (2006) 81-99
27. Nolte, B., 1988. Erweiterung und Anwendung des Reflektivitätsprogammes für anisotrope Medien (in German). Diploma thesis, Karlsruhe University.
28. Okaya D.A., and McEvilly T.V. Elastic wave propagation in anisotropic crustal material possessing arbitrary internal tilt. Geophys. J. Int. 153 (2003) 344-358
29. Okaya D., Christensen N., Stanley D., and Stern T. Crustal anisotropy in the vicinity of the Alpine Fault Zone, South Island. N.Z. J. Geol. Geophys. 38 (1995) 579-583
30. Park J., and Levin V. Seismic anisotropy: tracing plate dynamics in the mantle. Science 296 (2002) 485-489
31. Pohl M., Wenzel F., Weiss T., Siegesmund S., Bohlen T., and Rabbel W. Realistic models of anisotropic laminated lower crust. Pure Appl. Geophys. 156 (1999) 139-155
32. Rabbel W., and Mooney W.D. Seismic anisotropy of the crystalline crust: what does it tell us?. Terra Nova 8 (1996) 16-21
33. Readman P.W., O'Reilly B.M., and Murphy T. Gravity gradients and upper-crustal tectonic fabrics, Ireland. J. Geol. Soc. Lond. 154 (1997) 817-828
34. Rümpker G., and Kendall J.-M. A Maslov-propagator seismogram for weakly anisotropic media. Geophys. J. Int. 150 (2002) 23-36
35. Satarugsa P., and Johnson R.A. Constraints on crustal composition beneath a metamorphic core complex: results from 3-component wide-angle seismic data along the eastern flank of the Ruby Mountains, Nevada. Tectonophysics 329 (2000) 223-250
36. Savage M. Seismic anisotropy and mantle deformation:what have we learned from shear-wave splitting?. Rev. Geophys. 37 (1999) 65-106
37. Silver P.G., and Chan W.W. Shear wave splitting and subcontinental mantle deformatiom. J. Geophys. Res. 96 (1991) 16429-16454
38. Soper N.J., Strachan R.A., Holdsworth R.E., Gayer R.A., and Greiling R.O. Sinistral transpression and the Silurian closure of the Iapetus. J. Geol. Soc. Lond. 149 (1992) 871-880
39. Stammler K. Seismic Handler - programmable multichannel data handler for interactive and automatic processing of seismological analyses. Comput. Geosci. 2 (1993) 135-140
40. Van den Berg R., Daly J.S., and Salisbury M.H. Seismic velocities of granulite-facies xenoliths from Central Ireland; Implications for lower crustal composition and anisotropy. Tectonophysics 407 (2005) 81-99
41. Weiss T., Siegesmund S., Rabbel W., Bohlen T., and Pohl M. Seismic Velocities and anisotropy of the lower continental crust: a review. Pure Appl. Geophys. 156 (1999) 97-122
42. Wessel P., and Smith W.H.F. New, improved version of Generic Mapping Tools released. EOS Trans. Amer. Geophys. U. 79 (1998) 579
43. Williams E.A., Bamford M.L.F., Cooper M.A., Edwards H.E., Ford M., Grant G.G., MacCarthy I.A.J., McAffee A.M., and O'Sullivan M.J. Tectonic controls and sedimentary response in the Devonian-Carboniferous Munster and South Munster basins, south-west Ireland. In: Arthurton R.S., Cutteridge P., and Nolan S.C. (Eds). The role of tectonics in Devonian and Carboniferous sedimentation in the British Isles. Occasional Publ. 6 (1989), Yorkshire Geol. Soc. 123-141
44. Zelt C.A. Modelling strategies and model assessment for wide-angle seismic travel-time data. Geophys. J. Int. 139 (1999) 183-204
45. Zelt C.A., and Smith R.B. Seismic traveltime inversion for 2-D crustal velocity structure, Geophys. J. Int. 108 (1992) 16-34
46. Zelt C.A., and Forsyth D.A. Modelling wide-angle seismic data for crustal structure: southeastern Grenville province. J. Geophys. Res. 99 (1994) 11687-11704