UHP eclogite outcrops in the Western Altun Mts.
Presence of the alpha-PbO2-type TiO2 phase, destabilized into rutile with ilmenite exsolution lamellae.
Ref.:
- Zhang, J.X. et al. (2001): Petrology and geochronology of eclogite from the western segment of the Altyn Tagh, northwestern China. Lithos 56, 187-206.
- Zhang, J.X. et al. (2002): The age of U-Pb and Sm-Nd for eclogite from the west Altun Mountains tectonic belt: the evidence for existence of Caledonian orogenic root. Chinese Science Bulletin 44, 2256-2260.
- Zhang Anda, Liu Liang, Sun Yong, Chen Danling, Wang Yan, and Luo Jinhai (2004): SHRIMP U-Pb zircon ages for the UHP metamorphosed granitoid gneiss in Altyn Tagh and their geological significance. Chinese Science Bulletin 49(23), 2527-2532.