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Tectonic activity along the inner margin of the South Tibetan Detachment constrained by syntectonic leucogranite emplacement in Western Bhutan

Montomoli, C; Carosi, Rodolfo; Rubatto, Daniela; Visona, Dario; Iaccarino, Salvatore


In Western Bhutan Himalayas leucogranite dykes emplaced in sub-vertical hybrid fractures that cut across the high-grade rocks of the upper Greater Himalayan Sequence just below to the South Tibetan Detachment. The granitic dykes dip to the North often showing a mylonitic deformation with a top-down to-the-N sense of shear. The high-angle fractures are interpreted to be related to the evolution of the South Tibetan Detachment toward a brittle regime of deformation. U-Pb monazite ages constrain...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Italian Journal of Geosciences
DOI: 10.3301/IJG.2015.26


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