Dear colleagues (apologies for multiple postings), We would like to invite you to contribute to our session at the EGU2026 General Assembly, taking place in Vienna from May 3rd to 8th, 2026: GMPV10.4: Understanding magmatic plumbing systems via experimental, petrological, (isotopic) geochemical and computational approaches Our session aims to explore the variety of exciting processes occurring in magmatic systems. We welcome all contributions that improve our understanding of magmatic plumbing systems by integrating multiple approaches including – but not limited to – high-T experiments, field studies, computational methods, and analytical advances. A detailed description of our session can be found here: https://meetingorganizer.copernicus.org/EGU26/session/57809 The abstract submission deadline is January 15th, 2026, 13:00 CET. We look forward to receiving your inspiring contributions and to meeting you in Vienna. Best regards, Martin, Ségolène, Felix, and Ben -------------------------------------------------- Dr. Felix Marxer Section of Mineralogy Institute of Earth System Sciences (IESW) Leibniz University Hannover