Seismic anisotropy in the north-eastern US as a source of significant teleseismic P traveltime anomalies

Geophysical Journal International

Volumn 126, Issue 2, 1996, Pages 593-603

  Levin, Vadim ^a,b   Menke, William ^a   Lerner Lam, Arthur ^a  

^a Lamont Doherty Earth Observatory of Columbia University   (United States)

^b YALE UNIVERSITY   (United States)

Author keywords

Anisotropy; Body waves; Lithosphere; Seismic tomography

Indexed keywords

ANISOTROPY; LITHOSPHERE; P WAVE; SEISMIC TOMOGRAPHY; SHEAR WAVE SPLITTING;

CANADA; USA;

EID: 0030454980     PISSN: 0956540X     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1365-246X.1996.tb05312.x     Document Type: Article

References (24)

1. Aki, K. & Richards, P.G., 1980. Quantitative Seimology. Theory and Methods, W. H. Freeman and Company, San Francisco, CA.
2. Babuska, V., Plomerova, J. & Sileny, J., 1993. Models of seismic anisotropy in the deep continental lithosphere, Phys. Earth planet. Inter., 78, 167-191.
3. Barruol, G., Silver, P. & Vauchez, A., 1995. Shear wave splitting of teleseismic shear waves in eastern US, IUGG XXI General Assembly, abstract volume A, 167.
4. Bowman, J.R. & Ando, M.A., 1987. Shear-wave splittng in the upper mantle wedge above the Tonga subduction zone, Geophys. J. R. astr. Soc., 88, 25-41.
5. Christensen, N.I., 1984. The magnitude, symmetry and origin of upper mantle anisotropy based on fabric analyses of ultramafic tectonites, Geophys. J. R. astr. Soc., 76, 89-111.
6. Crampin, S., 1981. A review of wave motion in anisotropic and cracked elastic media, Wave Motion, 3, 343-391.
7. Crampin, S., Chesnokov, E.M. & Hipkin, R.G., 1984. Seismic anisotropy - the state of the art: II, Geophys. J. R. astr. Soc., 76, 1-16.
8. Dziewonski, A. & Anderson, D.L., 1981. Preliminary reference earth model, Phys. Earth planet. Inter., 25, 297-356.
9. Fisher, R.A., 1953. Dispersion on a sphere, Phil. Trans. R. Soc. Lond., A, 217, 295-305.
10. Fuchs, K., 1983. Recently formed elastic anisotropy and petrological models for the continental subcrustal lithosphere in southern Germany, Phys. Earth planet. Inter., 31, 93-118.
11. Hellfrich, G., Silver, P. & Given, H., 1994. Shear-wave splitting variation over short spatial scales on continents, Geophys. J. Int., 119, 561-573.
12. Kind, R., Kosarev, G.L., Makeyeava, L.I. & Vinnik, L.P., 1985. Observations of laterally inhomogeneous anisotropy in the continental lithosphere, Nature, 318, 358-361.
13. Levin, V., Lerner-Lam, A. & Menke, W., 1995. Anomalous mantle structure at the Proterozoic-Paleozoic boundary in northeastern US, Geophys. Res. Lett., 22, 121-124 (LLM).
14. Mainprice, D. & Silver, P.G., 1993. Interpretation of SKS-waves using samples from subcontinental lithosphere, Phys. Earth planet. Inter., 78, 257-280.
15. Nicolas A., Boudier, F. & Boulier, A.M., 1973. Mechanisms of flow in naturally and experimentally deformed peridotites, Am. J. Sci., 10, 853-876.
16. Raitt, R.W., Shor Jr, G.G., Francis, T.J.G. & Morris, G.B., 1969. Anisotropy of the Pacific Upper Mantle, J. geophys. Res., 74, 3095-3109.
17. Ribe, N.M., 1992. On the relation between seismic anisotropy and finite strain, J. geophys. Res., 97, 8737-8747.
18. Sandvol, E.A., Ni, J.N. & Hearn, T.M., 1994. Seismic azimuthal anisotropy beneath the Pakistan Himalayas, Geophys. Res. Lett., 21, 1635-1638.
19. Savage, M.K. & Silver, P.G., 1993. Mantle deformation and tectonics: constraints from seismic anisotropy in western United States, Phys. Earth planet. Inter., 78, 207-227.
20. Silver, P. & Chan, W.W., 1988. Implications for continental structure and evolution from seismic anisotropy, Nature, 335, 34-39.
21. Silver, P. & Chan, W.W., 1991. Shear wave splitting and subcontinental mantle deformation, J. geophys. Res., 96, 16429-16453.
22. Taylor, S.R., 1989. Geophysical framework of the Appalachians and adjacent Grenville Province, in Geophysical Framework of the Continental United States, eds Pakiser, L.C. & Mooney, W.D., Geol. Soc. Am. Memoir 79, 317-348.
23. Vinnik, L.P., Kosarev, G.L. & Makeyeva, L.I., 1984. Anizotrpiya litosfery po nablyudeniyam voln SKS i SKKS, Docl. Akad. Nauk SSSR, 278, 1335-1339 (in Russian).
24. Zhang, S. & Karato, S. 1995. Lattice preferred orientation of olivine aggragetes deformed in simple shear, Nature, 375, 774-777.