Seismic Anisotropy and Velocity Variations in the Mantle beneath the Saxothuringicum-Moldanubicum Contact in Central Europe

被引：0

作者：

J. Plomerová

V. Babuška

J. Šílený

J. Horálek

机构：

[1] Geophysical Institute,

[2] Czech Academy of Sciences,undefined

[3] 14131 Praha 4,undefined

[4] Czech Republic; jpl@ig.cas.cz,undefined

[5] UNESCO,undefined

[6] Division of Earth Sciences,undefined

[7] 1,undefined

[8] rue Miollis,undefined

[9] 75732 Paris,undefined

[10] France; v.babuska@unesco.org,undefined

来源：

pure and applied geophysics | 1998年 / 151卷

关键词：

Key words: Upper mantle anisotropy, inversion of shear-wave splitting parameters, P-residual spheres, joint interpretation of body wave observations.;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

—We report on results of a passive seismic experiment undertaken to study the 3-D velocity structure and anisotropy of the upper mantle around the contact zone of the Saxothuringicum and Moldanubicum in the western margin of the Bohemian Massif in central Europe. Spatial variations of P-wave velocities and lateral variations of the particle motion of split shear waves over the region monitor changes of structure and anisotropy within the deep lithosphere and the asthenosphere. A joint interpretation of P-residual spheres and shear-wave splitting results in an anisotropic model of the lithosphere with high velocities plunging divergently from the contact of both tectonic units. Lateral variations of the mean residuals are related to a southward thickening of the lithosphere beneath the Moldanubicum.

引用

页码：365 / 394

页数：29

共 50 条

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