Qiangtang terrane

During the Triassic, a southward-directed subduction along its northern margin resulted in the Jin-Shajing suture, the limit between it and the Songpan-Ganzi terrane.

During the Late Jurassic and Early Cretaceous, the Lhasa terrane merged with its southern margin along the Bangong suture.

[1] This suture, the closure of part of the Tethys Ocean, transformed the Qiantang terrane into a large-scale anticline.

[4] The Qiantang terrane is now located at c. 5,000 m (16,000 ft) above sea level, but the timing of this uplift remains debated, with estimates ranging from the Pliocene-Pleistocene (3–5 Mya) to the Eocene (35 Mya) when the plateau was first denudated.

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Location of Qiangtang Terranes. Bangong-Nujiang Suture Zone separates it from the Lhasa Terrane , which in turn is separated by the Indus-Yarlung suture zone from the Himalayas in the south.
Tectonic map of the Himalaya, modified after Le Fort & Cronin (1988) . Red is Transhimalaya. Green is Indus-Yarlung suture zone, north of which lies Lhasa terrane, follow by Bangong-Nujiang Suture Zone and then Qiangtang terrane.