The speakers of our November webinar were
Rémi Coltat (IACT): Petro-geochemical and isotopic constraints on the magmato-hydrothermal history during mantle exhumation at mid-ocean ridges (MARK area, 23°N, ODP Leg 153)
Clifford Patten (University of Innsbruck): Ultramafic-hosted volcanogenic massive sulfide deposits: an overlooked sub-class of VMS deposit forming in complex tectonic environments