Rayleigh wave group velocity maps

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Rayleigh wave group velocity maps
At short periods, group velocities are slow
because of the thick, slow crust At long periods,
group velocities are neutral to fast because the
crust is compensated by fast material in the
upper mantle
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Mantle structure depth slices
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Mantle structureslice across Western Tibet
Subduction of Indian lithosphere
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Mantle structureslice across Central Tibet
Detached lithosphere
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Mantle structureslice across Eastern Tibet
Subduction of Asian lithosphere ???
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Interpretation of the tomographic model for
Tibetan region