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Volcanoes, ore deposits, and the 3d slab geometry along the Andaman-Sumatran subduction system

Muston, Jack

Description

This thesis addresses several topics related to the tectonic history of the Sumatran-Andaman region. Firstly, I investigated the Martabe epithermal gold deposits using high-resolution 40Ar/39Ar geochronology in order to unravel the complex overprinting alteration system. The results indicate that there were five peak periods of alunite growth around the Martabe deposits at 1.40 to 1.70 Ma, 1.90 to 2.08 Ma, 2.12 to 2.51 Ma and 3.22 and 3.48 Ma. Analysis of the Arrhenius plots put the closure...[Show more]

CollectionsOpen Access Theses
Date published: 2020
Type: Thesis (MPhil)
URI: http://hdl.handle.net/1885/203566
DOI: 10.25911/5ec2647c48289

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