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Related Experiment Video

Updated: Mar 1, 2026

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Published on: August 7, 2017

Lithospheric foundering and underthrusting imaged beneath Tibet.

Min Chen¹, Fenglin Niu^1,2, Jeroen Tromp^3,4

¹318 Keith-Wiess Geology Lab, Department of Earth Science, Rice University, MS 126, 6100 Main Street, Houston, Texas 77005, USA.

Nature Communications

|June 7, 2017

Summary

This summary is machine-generated.

The Tibetan Plateau

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Area of Science:

Geophysics
Tectonics
Geodynamics

Background:

The Tibetan Plateau's uplift timing and mechanisms are debated.
The link between lithospheric evolution and surface features like volcanism is unclear.

Purpose of the Study:

To investigate the connection between lithospheric structure and surface uplift/volcanism in Tibet.
To elucidate the mechanisms driving Tibetan Plateau evolution.

Main Methods:

Seismic tomography to image upper mantle structure.
Correlation analysis between seismic structures and magmatism.

Main Results:

A T-shaped high wave speed structure beneath South-Central Tibet suggests lithospheric foundering.
Spatial correlation of this structure with ultrapotassic and adakitic magmatism supports Oligocene uplift.
Asthenospheric upwelling and thermal erosion explain Northern Tibet's recent uplift and volcanism.

Conclusions:

Lithospheric foundering in the Oligocene caused Southern Tibet's uplift.
Subsequent asthenospheric processes drove Northern Tibet's uplift and volcanism.
This study links mantle dynamics to plateau surface evolution.