Dear Colleagues (apologies for cross-postings), Why not participate in IMA-2026 in Nanjing, August 20-24, 2026? We would like to draw your attention to the following two sessions (deadline April 15, 2026): 1. Metamorphism toward extreme conditions of UHP and UHT: Petrology, experiments, geodynamic consequences Corresponding Link for detailed information: https://ima2026.nju.edu.cn/52/d2/c65014a807634/page.psp Co-Conveners Hans-Peter Schertl, Ruhr-University Bochum, Germany Jingsui Yang, Nanjing University, China Junfeng Zhang, China University of Geosciences, China Chunjing Wei, Peking University, China Chun-Ming Wu, University of Chinese Academy of Sciences, China 2. Mineralogy and Archaeology: What can we learn from each other? Corresponding Link for detailed information: https://ima2026.nju.edu.cn/52/d6/c65014a807638/page.psp Hans-Peter Schertl, Ruhr-University Bochum, Germany Sabine Klein, Deutsches Bergbau-Museum Bochum, Germany