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The crustal shortening /thickening within high Tibet and its tectonic ...

The crustal shortening /thickening within high Tibet and its tectonic ...

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Uplift mode in <strong>Tibet</strong> III<br />

Injection “ Lift” Model: India lower crust is injecting<br />

into middle layer of <strong>Tibet</strong> crust , proposed by Zhao &<br />

Morgan 1987<br />

1 <strong>The</strong> India upper mantle<br />

is detached from overlying<br />

crust <strong>and</strong> sinking into<br />

asthenosphere<br />

North<br />

South<br />

2 <strong>The</strong> Indian crust is<br />

injecting into weak layer<br />

of <strong>Tibet</strong> crust <strong>and</strong><br />

weakening with reheating<br />

Upper crust is lifted<br />

up step by step<br />

Injecting, then<br />

steadily heating<br />

3 <strong>Tibet</strong> on wholesale is<br />

lifted hydrostatically <strong>and</strong><br />

reach ultimately to the<br />

maximum elevation<br />

Himalayas<br />

the weakened crust is<br />

flowing horizontally in the<br />

channel

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