Underneath the Tibetan Plateau a "double thickness" of the earth's crust occurs where two continental plates moved and collided to form the Himalayan Mountains.
(Underneath the Tibetan Plateau; occurs; L:where two continental plates moved and collided) (two continental plates; moved; ) (two continental plates; collided; )
Underneath the Tibetan Plateau two continental plates two continental plates
occurs moved collided
L:where two continental plates moved and collided