More than 25,000 attendees from 100+ countries are expected in San Francisco for AGU23, the Fall Meeting of the American Geophysical Union.

The following sessions are co-convened by professor Hervé Rezeau of the University of Arizona, Department of Geosciences:

• V018 - Melts and Hydrothermal Fluids in Critical Mineral Systems
  Georgina Lukoczki, University of Kentucky, Lexington, Alexander Gysi, New Mexico Institute of Mining & Technology, Socorro, Herve Rezeau, University of Arizona, Department of Geosciences, and Bryan Maciag New Mexico Institute of Mining & Technology, Socorro
• V034 - Volatiles and Chalcophiles from Mantle to Surface – Sources, Transport and Magmatic-Hydrothermal Release
  Patrick Beaudry, Johns Hopkins University, Earth and Planetary Sciences, Baltimore, MD, Herve Rezeau, University of Arizona, Department of Geosciences, Penny Wieser, University of California Berkeley, and Shashank Prabha Mohan, Université Clermont Auvergne, CNRS, IRD, OPGC, Laboratoire Magmas et Volcans, Clermont-Ferrand, France