Upper Mantle Heterogeneities from Active and Passive Seismology

Abstract

Papers from the NATO Advanced Research Workshop on Upper Mantle Heterogeneities From Active and Passive Seismology, held Apr. 13-16, 1997, in Moscow. 1. The GEON Centre: 25 Years of Implementation of PNE in Studies of Earth's Deep Structure / L.N. Solodilov -- 2. Conservation of Lithospheric DSS-Data / K.J. Fuchs and F. Wenzel -- 3. Major Features of the Mantle Velocity Structure Beneath Northern Eurasia from Long-Range Seismic Recordings of Peaceful Nuclear Explosions / J. Mechie, A.V. Egorkin and L. Solodilov -- 4. Evidence for 520-km Discontinuity / A.V. Egorkin -- 5. Observation of Teleseismic P[subscript n]/S[subscript n] on Super Long-Range Profiles in Northern Eurasia and Their Implications for the Structure of the Lithosphere / M. Tittgemeyer, T. Ryberg and K. Fuchs -- 6. Central Siberia Upper Mantle Cross-Section from Deep Seismic Sounding Explosions / J. Cipar and K. Priestley -- 7. Eurasian Mantle Structure Derived from the Records of Nuclear Explosions / M. Grad -- 8. Two Reflectors in the 400 km Depth Range Revealed from Peaceful Nuclear Explosion Seismic Sections / H. Thybo, E. Perchuc and N. Pavlenkova. 9. Underground Explosion Seismic Source Function in Various Rock Media as Obtained from PNE Local Data / I.O. Kitov -- 10. Rock Fracturing Processes Due to Nonlinear Shock Waves in Hot Fluid-Pressurized Domains / E. Salusti and A. Troisi -- 11. Problems of Active Seismology / A.S. Alekseev, B.M. Glinsky and V.V. Kovalevsky -- 12. The Transition from Cold to Hot Areas of North America Interpreted from Early Seismic Rise Record Sections / E. Perchuc and H. Thybo -- 13. Heterogeneity of the Uppermost Eurasian Mantle Along the DSS Profile 'Quartz', Russia / E.A. Morozova, I.B. Morozov and S.B. Smithson -- 14. Observation of L[subscript g] and S Wave Propagation Along the Ultra-Long Range Profile 'Quartz', Russia / I.B. Morozov, E.A. Morozova and S.B. Smithson -- 15. Joint Inversion of Teleseismic Delay Times and Gravity Anomaly Data for Regional Structures. Theory and Synthetic Examples / H. Zeyen and U. Achauer. 16. Teleseismic Tomography in Sweden-Denmark-Germany, Project TOR / The TOR Working Group / S. Gregersen -- 17. The 1995 U.S. Deep Probe Project / A. Levander, T.J. Henstock and G.R. Keller -- 18. The Anelasticity of the Earth: How Much Do We Know about Q? / A.L. Hales -- 19. Three-Dimensional Velocity Structure of the Earth's Upper Mantle / G. Ekstrom and A.M. Dziewonski -- 20. From IASP-91 Global Model to a 3-D Model for CTBT Monitoring. Description of the First Steps towards the Calibration of the Global CTBT Network / P. Firbas, A.B. Peshkov and V. Ryaboy -- 21. Small-Scale Heterogeneities of the Upper Mantle / F. Wenzel, K. Fuchs and M. Tittgemeyer -- 22. General Features of the Upper Mantle Structure from Seismic Data / N.I. Pavlenkova -- 23. Lateral Heterogeneity Implications from 2-D Nuclear-Seismic Travel-Time Inversion / F. Lorenz, F. Wenzel and J. Mechie. 24. Density Heterogeneities of the European Upper Mantle Inferred from 3-D Large-Scale Gravity Modelling / T.P. Yegorova, V.G. Kozlenko and V.I. Starostenko -- 25. Surface Wave Tomographic Study of Central Asia Tectonic Regimes / A.L. Levshin, M.H. Ritzwoller and L.I. Ratnikova -- 26. Temperature and Dynamics of the Upper Mantle beneath the French Massif Central / S. Sobolev, A. Yu. Babeyko and U. Christensen -- 27. The Lithospheric Velocity Structure of Southern Africa / X. Qiu, K. Priestley and D. McKenzie -- 28. Constraints on Crustal and Upper Mantle Structure from Intermediate Period Surface Waves / G. Ekstrom -- 29. Shallow Continental Lithospheric Mantle Heterogeneity -- Petrological Constraints / H. Downes -- 30. Seismic Anisotropy and Flow in the Mantle / L.P. Vinnik -- 31. Seismic Anisotropy of the Upper Mantle of the Urals / S. Kashubin -- 32. Rheological Weakening of Subducted Slabs Due to the Persistence of Metastable Olivine Down to 600 km Depth / M.R. Riedel and S. Karato. 33. The Effects of Subduction Zones in Teleseismic SH Waves: A Numerical Study / H. Igel and J. Ita -- 34. A Partially Molten Zone beneath the Global [actual symbol not reproducible] Discontinuity at [actual symbol not reproducible] 100 km Depth -- with a New Interpretation of the Lehmann Discontinuity / H. Thybo and E. Perchuc.