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Upper Mantle Heterogeneities from Active and Passive Seismology : Nato Science Partnership Subseries: 1 - K. Fuchs

Upper Mantle Heterogeneities from Active and Passive Seismology

Nato Science Partnership Subseries: 1

By: K. Fuchs (Editor)

Hardcover Published: November 1997
ISBN: 9780792348771
Number Of Pages: 366

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Approximately 20 long-range seismic profiles have been recorded since 1971 in the former USSR, using PNE as sources. The long observational range (>3000 km) provided full penetration of the earth's upper mantle to depths of >600 km giving insight into the 3D structure of the upper mantle. These data are confronted with the requirements of the CTBT for 3D regional seismic models of the lithosphere-asthenosphere system. The two primary purposes of the present work are, first, to present these seismic observations on super long-range profiles in digitised format, using peaceful nuclear explosions (PNE) in the former USSR, and, second, to present the joint thoughts of experts from the deep seismic sounding (DSS) and the comprehensive test ban treaty (CTBT) communities. Implications for petrological and other earth science disciplines are presented. Audience: The CTBT community and earth scientists interested in the 3D structure of the lithosphere-asthenosphere system.

Prefacep. ix
Acknowledgementsp. xiii
Potential of Russian Peaceful Nuclear Explosion Data
The GEON Centre: 25 Years of Implementation of PNE in Studies of Earth's Deep Structurep. 1
Conservation of Lithospheric DSS-Datap. 11
Major Features of the Mantle Velocity Structure Beneath Northern Eurasia from Long-Range Seismic Recordings of Peaceful Nuclear Explosionsp. 33
Evidence for 520-km Discontinuityp. 51
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 Lithospherep. 63
Central Siberia Upper Mantle Cross-Section from Deep Seismic Sounding Explosionsp. 75
Eurasian Mantle Structure Derived from the Records of Nuclear Explosionsp. 89
Two Reflectors in the 400 km Depth Range Revealed from Peaceful Nuclear Explosion Seismic Sectionsp. 97
Underground Explosion Seismic Source Function in Various Rock Media as Obtained from PNE Local Datap. 105
Rock Fracturing Processes Due to Nonlinear Shock Waves in Hot Fluid-Pressurized Domainsp. 113
Novel Techniques in Upper Mantle Exploration
Problems of Active Seismologyp. 123
The Transition from Cold to Hot Areas of North America Interpreted from Early Seismic Rise Record Sectionsp. 131
Heterogeneity of the Uppermost Eurasian Mantle Along the DSS Profile 'Quartz', Russiap. 139
Observation of L[subscript g] and S Wave Propagation Along the Ultra-Long Range Profile 'Quartz', Russiap. 147
Joint Inversion of Teleseismic Delay Times and Gravity Anomaly Data for Regional Structures. Theory and Synthetic Examplesp. 155
Teleseismic Tomography in Sweden-Denmark-Germany, Project TORp. 169
The 1995 U.S. Deep Probe Projectp. 171
From One-To Three-Dimensional Upper Mantle Models
The Anelasticity of the Earth: How Much Do We Know about Q?p. 173
Three-Dimensional Velocity Structure of the Earth's Upper Mantlep. 187
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 Networkp. 199
Small-Scale Heterogeneities of the Upper Mantlep. 215
General Features of the Upper Mantle Structure from Seismic Datap. 225
Lateral Heterogeneity Implications from 2-D Nuclear-Seismic Travel-Time Inversionp. 237
Density Heterogeneities of the European Upper Mantle Inferred from 3-D Large-Scale Gravity Modellingp. 249
Surface Wave Tomographic Study of Central Asia Tectonic Regimesp. 257
Temperature and Dynamics of the Upper Mantle beneath the French Massif Centralp. 269
Upper Mantle Structure, Composition and Dynamics
The Lithospheric Velocity Structure of Southern Africap. 277
Constraints on Crustal and Upper Mantle Structure from Intermediate Period Surface Wavesp. 287
Shallow Continental Lithospheric Mantle Heterogeneity - Petrological Constraintsp. 295
Seismic Anisotropy and Flow in the Mantlep. 309
Seismic Anisotropy of the Upper Mantle of the Uralsp. 317
Rheological Weakening of Subducted Slabs Due to the Persistence of Metastable Olivine Down to 600 km Depthp. 325
The Effects of Subduction Zones on Teleseismic SH Waves: A Numerical Studyp. 333
A Partially Molten Zone beneath the Global 8[degree] Discontinuity at [similar] 100 km Depth - with a New Interpretation of the Lehmann Discontinuityp. 343
Indexp. 351
List of Participantsp. 359
List of Contributorsp. 363
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780792348771
ISBN-10: 079234877X
Series: Nato Science Partnership Subseries: 1
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 366
Published: November 1997
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.3 x 15.5  x 3.18
Weight (kg): 0.81