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Dear all, Do you think that microstructures hold the key to unravel natural processes? Do you feel the need to understand why an intriguing microstructures is exactly the way it is? Or simply the microscope is your favorite tool to work on natural and/or synthetic materials? After a very successful session last year, with great talks and a very eager audience, we would like to invite you to submit your contribution to another wonderful session which focusses on the power of microstructures to unravel metamorphic/magmatic processes at the EGU 2019, in Vienna! ______________________________________________________________________ GMPV1.2 “Peering into the past: the power of microstructures to unravel metamorphic and igneous processes” Conveners: Silvio Ferrero (Universität Potsdam), Gautier Nicoli (University of Cambridge), Brendan Dyck (Simon Fraser University) and Marian Holness (University of Cambridge) The microstructure of igneous and metamorphic rocks are archives preserving abundant information about rock history, such as heating and cooling rates, metasomatism and fluid infiltration, timing and location of nucleation and crystal growth, crystallisation regime, and the extent, mechanisms and timing of deformation. Microstructural features achieve even greater importance when combined with geochemical data, but their potential is commonly under-recognised. We welcome contributions covering the entire range of igneous and metamorphic petrology, which either showcase development of new microstructural analysis techniques or new applications of well-established techniques, or illustrate how microstructural interpretation adds to our understanding of rock history. We anticipate that this broadly-conceived session will trigger exciting new synergies across a wide range of microstructural studies. Invited speakers: Bruna B. Carvalho (University of Padova, Italy), with the talk "Melt and fluid inclusions in migmatites: unravelling anatexis and fluid regime of the deep crust" David Dolejs (University of Freiburg, Germany) with the talk "Simulating and interpreting igneous textures: from crystallization kinetics to pluton dynamics" Nicolas Garibaldi (University of Wisconsin-Madison, US) with the tallk "Rhyolite segregation, accumulation and escape assisted by tectonic shortening: the magnetic and mineral fabric record of the Huemul pluton, Chile" __________________________________________________________ We are very much looking forward to seeing you in Vienna. With best wishes Silvio, Gautier, Brendan and Marian -- Silvio Ferrero tel. 0049(0)3319775705 Universität Potsdam Institut für Erd- und Umweltwissenschaften - Dept. of Earth and Environmental Sciences - Haus 27, Karl-Liebknecht-Straße 24-25 14476 Potsdam "In those early days people laughed at me. They quoted Saussure who had said that it was not a proper thing to examine mountains with microscopes, and ridiculed my action in every way. Most luckily I took no notice of them" (Henry Clifton Sorby) To many petrologists a volatile component is exactly like a Maxwell daemon; it does just what one may wish it to do. (The evolution of the igneous rocks, N.L. Bowen, 1928) ######################################################################## To unsubscribe from the GEO-METAMORPHISM list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=GEO-METAMORPHISM&A=1