Spatial and temporal constraints on sources of seismic anisotropy: Evidence from the Scottish highlands

Geophysical Research Letters

Volumn 34, Issue 5, 2007, Pages

  Bastow, I D ^a   Owens, T J ^a   Helffrich, George ^b   Knapp, J H ^a  

^a UNIVERSITY OF SOUTH CAROLINA   (United States)

^b UNIVERSITY OF BRISTOL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; SEISMOLOGY; TECTONICS;

ANISOTROPIC FABRICS; ASTHENOSPHERIC FABRICS; EMPLACEMENT; LITHOSPHERE; TERTIARY RIFTING;

SEISMIC WAVES;

BODY WAVE; CALEDONIAN OROGENY; PLATE MOTION; RIFTING; SEISMIC ANISOTROPY; SEISMIC DATA; SEISMIC SOURCE;

EURASIA; EUROPE; SCOTLAND; UNITED KINGDOM; WESTERN EUROPE;

EID: 34249902474     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2006GL028911     Document Type: Article

References (28)

1. Alsina, D., and R. Snieder (1995), Small-scale sublithospheric mantle deformation: Constraints from SKS splitting observations, Geophys. J. Int., 123, 431-448.
2. Arrowsmith, S., J.-M. Kendall, N. White, and J. VanDecar (2005), Seismic imaging of a hot upwelling beneath the British Isles, Geology, 33(5), 345-348.
3. Asencio, E. (2003), Imaging lithospheric structure in northern Scotland and the South Caspian basin, Ph.D. thesis, Univ. of South Carolina, Columbia.
4. Barr, D., R. Holdsworth, and A. Roberts (1986), Caledonian ductile thrusting in a Precambrian metamorhic complex: The Moine of NW Scotland, Bull. Seismol. Soc. Am., 97, 754-764.
5. Barruol, G., and D. Mainprice (1993), A quantitative evaluation of the contribution of crustal rocks to the shear-wave splitting of teleseismic SKS waves, Phys. Earth Planet. Inter., 78, 281-300.
6. Butler, R. (1986), Structural evolution of the Moine of NW Scotland: A Caledonian linked thrust system?, Geol. Mag., 123, 1-11.
7. Butler, R. (2004), The nature of 'roof thrusts' in the Moine thrust belt, NW Scotland: Implications for the structural evolution of thrust belts, J. Geol. Soc. London, 161, 1-11.
8. Butler, R., and M. Coward (1984), Geological constraints, structural evolution and deep geology of the northeast Scottish Caledonides, Tectonics, 3(3), 347-365.
9. Canning, J. C., P. J. Henney, M. A. Morrison, P. W. C. Van Calsteren, J. W. Gaskarth, and A. Swarbrick (1998), The Great Glen Fault; a major vertical lithospheric boundary, J. Geol. Soc. London, 155, 425-428.
10. Coward, M. (1985), The thrust structures of southern Assynt, Moine thrust zone, Geol. Mag., 122, 595-607.
11. Craig, G. Y., (Ed.) (1991), Geology of Scotland, 3rd ed., Geol. Soc., London.
12. Dickinson, B., and J. Watson (1976), Variations in crustal level and geothermal gradient during the evolution of the Lewisian complex of northwest Scotland, Precambrian Res., 3, 363-374.
13. Fouch, M., P. Silver, D. Bell, and J. Lee (2004), Small-scale variations in seismic anisotropy near Kimberley, South Africa, Geophys. J. Int., 157, 764-774, doi:10.1111/j.1365-246X.2004.02234.x.
14. Godfrey, N. J., N. I. Christensen, and D. A. Okaya (2000), Anisotropy of schists: Contribution of crustal anisotropy to active source seismic experiments and shear wave splitting observations, J. Geophys. Res., 105, 27,991-28,008.
15. Gripp, A., and R. Gordon (1990), Current plate motions relative to the hotspots incorporating the NUVEL-1 global plate motion model, Geophys. Res. Lett., 17, 1109-1112.
16. Helffrich, G. (1995), Lithospheric deformation inferred from teleseismic shear wave splitting observations in the United Kingdom, J. Geophys. Res., 100, 18,195-18,204.
17. Kendall, J.-M., G. W. Stuart, C. J. Ebinger, I. D. Bastow, and D. Keir (2005), Magma assisted rifting in Ethiopia, Nature, 433, 146-148.
18. Klemperer, S., and C. Peddy (1992), Seismic profiling of the continental lithosphere, in Understanding the Earth, edited by C. Brown, C. Hawkesworth, and R. Wilson, pp. 249-274, Cambridge Univ. Press, New York.
19. Park, R. (199 1), The Lewisian complex, in The Geology of Scotland, 3rd ed., edited by G. Y. Craig, pp. 25-64, Geol. Soc., London.
20. Restivo, A., and G. Helffrich (1999), Teleseismic shear wave splitting measurements in noisy environments, Geophys. J. Int., 137, 821-830.
21. Savage, M. (1999), Seismic anisotropy and mantle deformation: What have we learned from shear wave splitting?, Rev. Geophys., 37, 65-106.
22. Silver, P. (1996), Seismic anisotropy beneath the continents, Annu. Rev. Earth Planet. Sci., 24, 385-432.
23. Silver, P., and G. Chan (1991), Shear wave splitting and subcontinental mantle deformation, J. Geophys. Res., 96, 16,429-16,454.
24. Silver, P., and M. Savage (1994), The interpretation of shear wave splitting parameters in the presence of two anisotropic layers, Geophys. J. Int., 119, 949-963.
25. Soper, N., and A. Barber (1982), A model for the deep structure of the Moine thrust zone, J. Geol. Soc. London, 139, 127-138.
26. Ucisik, N., Ó. Gudmunsson, K. Priestly, and T. B. Larsen (2005), Seismic anisotropy beneath east Greenland revealed by shear wave splitting, Geophys. Res. Lett., 32, L08315, doi:10.1029/ 2004GL021875.
27. VanDecar, J., and R. Crosson (1990), Determination of teleseismic relative phase arrival times using multi-channel cross-correlation and least squares, Bull. Seismol. Soc. Am., 80, 150-169.
28. Walker, K. T., G. H. R. Bokelmann, S. L. Klemperer, and G. Bock (2005), Shear-wave splitting around the Eifel hotspot: Evidence for a mantle upwelling, Geophys. J. Int., 163, 962-980, doi:10.1111/ j.1365-246X.2005.02636.x.