Tommaso Tacchetto

I received my MSc degree from the University of Padova (Italy) in 2017, where I also went on to hold a one-year research fellowship in 2018. I am currently a Ph.D. candidate at Curtin University supervised by Prof. Steve Reddy, Prof. Chris Clark and Dr. David Saxey. In 2019, I joined the advanced Microscopy and Microanalysis Facility at Curtin University as Research Assistant in charge of the TIMA laboratory for mineral analysis.

My research interests include metamorphic and micro-structural geology, with a particular curiosity to those processes occurring during high-T & P metamorphism in the presence of fluids at depth. My main field area of investigation is the island of Holsnøy in SW Norway. Here, spectacular exposed portions of lower continental crust allow us to directly observe processes, mechanisms and deformation microstructures associated with deep-continental metasomatism. I also extend my research to the study of crustal anatexis mechanisms. Specifically, I am interested in what fluid and melt inclusions in migmatitic terranes can tell us about the redistribution of elements during partial melting and the geochemical evolution of the lower crust.

In my research, I utilize Atom Probe Tomography (APT), together with a wide range of correlative analytical techniques (EBSD, FIB-SEM and TEM) to characterize the nanoscale manifestation of fluid-rock interactions at mineral interfaces and determine elemental transport during deformation. The overarching Ph.D. project goal is to provide, across different scales, a better understanding of the metasomatic processes taking place during fluid-assisted metamorphism within Earth’s lower crust.

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