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Unravelling the tectonic processes responsible for the uplift of the Himalaya requires in-depth investigation of individual terranes caught up along the Indus Suture Zone that separates the continents of India and Eurasia. The Himalayan Orogen represent the complex amalgamation of, not only the two colliding continents with one plate subducting underneath the other, but also fragments of oceanic crust (ophiolites) and intraoceanic arcs that developed within the vast expanse of the now extinct Neotethyan Ocean. The aim of this thesis was to resolve the tectonic evolution of the Dras-Nindam terrane in the Ladakh Himalaya using standard geological mapping, geochemistry and sophisticated zircon U-Pb geochronology. The Dras-Nindam terrane is sandwiched between Indian and Eurasian continental crust along the Indus Suture Zone in the Ladakh Himalaya, NW India. This tectonostratigraphic unit includes basaltic to andesitic rocks of the Dras Volcanics and associated deep marine, volcaniclastic r ....