Groppo, ChiaraRubatto, DanielaRolfo, FrancoLombardo, Bruno2015-12-070024-4937http://hdl.handle.net/1885/21097The Main Central Thrust Zone (MCTZ) is a key tectonic feature in the architecture of the Himalayan chain. In the Arun valley of the eastern Nepal Himalaya, the MCTZ is a strongly deformed package of amphibolite- to granulite-facies metapelitic schist andKeywords: amphibolite facies; anatexis; decompression; exhumation; geochronology; granulite facies; low grade metamorphism; migmatization; monazite; Oligocene; orthogneiss; P-T conditions; P-T-t path; partial melting; SHRIMP dating; tectonic evolution; tectonic set Himalaya; Main Central Thrust Zone; Monazite-zircon geochronology; Partial melting; Pseudosections201010.1016/j.lithos.2010.05.0032016-02-24