19th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (EMPG-XIX)

8:30 - 9:00 (30min)

Keynote

Auditorium

› Permeability at the Brittle-Ductile Transition: Implications for Deep Geothermal Energy Extraction - 08:30-09:00 (30min)

9:00 - 10:15 (1h15)

Mantle

Auditorium

› Comparative phase relations of garnet lherzolite derived from partial melting experiments and thermodynamic modelling at 5 GPa - Rodrigo Rodrigues, Australian National University 09:00-09:15 (15min)

› Trace elements mantle refertilization through melt-harzburgite interaction: insights from experiments at 1-2 GPa - Chiara Francesca Crotti, Dipartimento di Scienze della Terra “Ardito Desio”, University of Milan 09:15-09:30 (15min)

› A novel high-precision protocol for quantifying sulfur volatiles in high-pressure high-temperature experimental fluids - Arianna Secchiari, Università degli Studi di Milano = University of Milan 09:30-09:45 (15min)

› High-pressure, high-temperature molecular hydrogen absorption in crystalline silica: Implications for the deep hydrogen cycle - Luca Toffolo, University of Milan 09:45-10:00 (15min)

› Carbonate reduction in solid organic compounds at high pressure and temperature - Baptiste Debret, Université de Paris - Institut de physique du globe de Paris 10:00-10:15 (15min)

9:00 - 10:00 (1h)

Rock Deformation

Salle A

› Heterogeneous stress distribution during quasi-static loading of sandstone revealed by in-situ scanning three-dimensional X-ray diffraction - Jean-Baptiste Jacob, University of Oslo 09:00-09:15 (15min)

› Investigating Deep Earthquakes and Tremors Through the Scaling Laws of Acoustic Emissions Collected During High Pressure Experiments - Julien Gasc, Laboratoire de géologie de l'ENS 09:15-09:30 (15min)

› Rock-buffered deformation behavior of ultramafic faults during carbonation reactions - Lisa Eberhard, utrecht university 09:30-09:45 (15min)

› Constraining the full energy budget of laboratory earthquakes - Matej Pec, Massachusetts Institute of Technology 09:45-10:00 (15min)

10:00 - 10:15 (15min)

Diffusion and Kinetics in Magmas

Salle A

› Experimental determination of the rates and mechanisms of Lu, Ce and Eu diffusion in orthopyroxene - Maria Dias, Ruhr-Universität Bochum, Institut für Geowissenschaften 10:00-10:15 (15min)

10:15 - 10:45 (30min)

Coffee break

Exhibition Hall

10:45 - 11:15 (30min)

Keynote

Auditorium

› H-D fractionation betwen nominally anhydrous minerals at high pressure - Nathalie Bolfan, Laboratoire Magmas et Volcans 10:45-11:15 (30min)

11:15 - 12:30 (1h15)

Diffusion and Kinetics in Magmas

Salle A

› The coupling of trace element diffusion with major components in plagioclase - Ralf Dohmen, Ruhr-Universität Bochum, Institut für Geologie, Mineralogie & Geophysik 11:15-11:30 (15min)

› Diffusion rates and kinetic isotope fractionation of Li in alkali feldspar - Martin Oeser, Leibniz University Hannover, Institute of Earth System Sciences 11:30-11:45 (15min)

› Journey to the center of the crystal: investigating the impact of the proton-polaron mecanism - Guillaume Georgeais, Lamont-Doherty Earth Observatory 11:45-12:00 (15min)

› Contribution of OH to water diffusion in rhyolitic melt - Huaiwei Ni, University of Science and Technology of China [Hefei] 12:00-12:15 (15min)

› Unravelling water diffusion mechanism in silicate melts via dynamic bonding analysis - Yunguo Li, University of Science and Technology of China [Hefei] 12:15-12:30 (15min)

11:15 - 12:30 (1h15)

Deep Carbon

Auditorium

› CO2 Solubility in Calcite-Saturated Slab Melts: Implications for Carbon Transfer in Subduction Zones - Bo Wang, University of Science and Technology of China [Hefei] 11:15-11:30 (15min)

› Monitoring carbonatite magma degassing by combining acoustic emission detection and x-ray tomography - Tahar HAMMOUDA, Laboratoire Magmas et Volcans 11:30-11:45 (15min)

› Graphite/carbonate ratios in subducted sediments: Experimental insights and a revised model for carbon isotopic composition of arc emissions - Simone Tumiati, University of Milan 11:45-12:00 (15min)

› Variable mantle redox states driven by deeply subducted carbon - Yu Wang, State Key Laboratory of Deep Earth Processes and Resources, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China. 12:00-12:15 (15min)

› Experimental investigations of a deep organic carbon cycle promoted by carbonate reduction in subduction zones - Laurie Besognet, Institut de Physique du Globe de Paris 12:15-12:30 (15min)

12:30 - 14:00 (1h30)

Lunch

Exhibition Hall

14:00 - 14:30 (30min)

Keynote

Auditorium

› Partitioning of Hydrogen during core formation on the Earth and Mars - Mohamed Ali Bouhifd, Laboratoire Magmas et Volcans 14:00-14:30 (30min)

14:30 - 15:30 (1h)

Diffusion and Kinetics in Magmas

Auditorium

› Diffusive hydrogen isotope fractionation in silica glass and silicate melts: The role of speciation - Youxue Zhang, Dept. Earth & Environ. Sci., The University of Michigan 14:30-14:45 (15min)

› Deciphering Vesicle Formation in Hydrous Silicate Melts: A Step Toward Understanding Explosive Volcanism - Marcus Nowak, Eberhard Karls University Tübingen 14:45-15:00 (15min)

› Impact of superheating and cooling path on plagioclase nucleation-growth kinetics - Melvyn BILLON, University of Liege 15:00-15:15 (15min)

› Kinetics of clinopyroxene crystallization in a basaltic melt from Stromboli volcano - Fabio Colle, Dipartimento di Scienze Chimiche,della Vita e della Sostenibilità Ambientale, Università di Parma 15:15-15:30 (15min)

14:30 - 15:30 (1h)

Earth's Mantle and Core

Salle A

› Phosphorus in the Mantle: Redox-Driven Behavior and Its Geochemical Significance - Stamatis Flemetakis, Department of Earth and Planetary Sciences [Swiss Federal Institute of Technology - ETH Zürich] 14:30-14:45 (15min)

› Accretion of volatile elements on Earth without late veneer - Julien Siebert, Institut de Physique du Globe de Paris 14:45-15:00 (15min)

› Experimental Tracing of the Origin of Volatile Elements on Earth Through Sulfur Isotopes - Lucas Calvo, Institut de Physique du Globe de Paris 15:00-15:15 (15min)

› Experimental constraints on germanium diffusivity in metal and silicate phases during planetary core - Baptiste Le Bellego, Centre de Recherches Pétrographiques et Géochimiques 15:15-15:30 (15min)

15:30 - 16:00 (30min)

Break

Exhibition Hall

16:00 - 16:30 (30min)

Keynote

Auditorium

› Some experimental observations of an unexpected behavior of crystals in magmas - Michel Pichavant, CNRS-ISTO 16:00-16:30 (30min)

16:30 - 16:50 (20min)

Break

Exhibition Hall

16:50 - 17:00 (10min)

Who's next

Auditorium

17:00 - 17:05 (05min)

Chinese's EMPG

Auditorium

17:05 - 17:10 (05min)

US EMPG

Auditorium

17:10 - 17:25 (15min)

General Discussion

Auditorium

17:25 - 17:40 (15min)

Award's

Auditorium

17:40 - 17:40 ()

Official End of EMPG 2025 (but a lab tour at ISTO is planed on Friday morning...)

Auditorium

Planning