نتایج جستجو برای: lithosphere

تعداد نتایج: 3547  

Journal: :فیزیک زمین و فضا 0
فتانه تقی زاده فرهمند دانشکده علوم دانشگاه آزاد اسلامی واحد قم- استادیار فروغ صدودی مؤسسه تحقیقاتی علوم زمین هلمهولتز، پتسدام- پژوهشگر محمدرضا قیطانچی مؤسسه ژئوفیزیک دانشگاه تهران، استاد نرگس افسری دانشگاه آزاد اسلامی واحد اسلام شهر- دانشجوی دکتری

recently, the s receiver function method has been successfully developed to identify upper mantle interfaces. s receiver functions have the advantage of being free of s-wave multiple reflections and can be more suitable than p receiver function for studying mantle lithosphere. however, because of specific ray geometry of the s-to-p converted waves, the s receiver function method has some techni...

2008
T. W. Becker

[1] Net rotation (NR) of the lithosphere is found in hot spot reference frames, important for tectonics and plume models, but difficult to constrain. Using mantle flow and crystallographic texture modeling, I show that NRs lead to mantle shearing which is recorded in azimuthal seismic anisotropy. The NR amplitude in some hot spot models is so large that it degrades the model fit to anisotropy s...

2003
S. V. Ershov

Most of geothermal areas are located in seismically active regions. Because of an intensive tectonic regime, discontinuities of their lithosphere play the role of channels for powerful metallogenic heat and mass transfer processes, especially for intrusion of ultra-basic magmas with Fe, Mn etc. into the crust. Proceeding from the presence of substantial low resistivity structures in seismic lit...

Journal: :Eos, Transactions American Geophysical Union 2003

Journal: :Acta Geologica Sinica - English Edition 2019

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