Metamorphosed mélange in the eastern Himalayan syntaxis: constraint for the India–Asia collision in the Eocene
Zhen Wei,
Xianghui Li,
Minjia Sun
et al.
Abstract:Tectonic mélanges are crucial for deciphering collision processes in orogenic belts. This study investigates the nature of metamorphosed mélange in the Milin area of the eastern Himalayan syntaxis to shed light on the India-Asia collision in the region. The mélange exhibits a “block-in-matrix” fabric in the lower and upper parts and a “lenticular-thrust-slices” fabric in the middle. Quartzite blocks in the lower part are proposed to be the Silurian or younger quartz arenites with a Tethyan affinity. Metacherts… Show more
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