Influence of volatiles (H$_{2}$O and CO$_{2}$) on shoshonite phase equilibria

• Published in: Comptes Rendus. Géoscience
• Main Authors: Vetere, Francesco, Namur, Olivier, Holtz, Francois, Almeev, Renat, Donato, Paola, Frondini, Francesco, Cassetta, Michele, Pisello, Alessandro, Perugini, Diego
• Format: Article in Journal/Newspaper
• Language: English; French
• Published: Académie des sciences 2023
• Subjects: Vulcanello; Shoshonite; Phase equilibria; Mineral assemblage; H$_{2}$O–CO$_{2}$; Geophysics. Cosmic physics; QC801-809; Chemistry; QD1-999; Geology; QE1-996.5; Monti; Tonga; Kamchatka
• Online Access: https://doi.org/10.5802/crgeos.226; https://doaj.org/article/ba266c3eeea84a18bb235d2397b18b49

Experiments were performed at 500 MPa, 1080 °C and water activities (aH$_{2}$O) from 0.0 to 1.0, in fluid-present and fluid-absent conditions, with the aim of constraining the effect of volatiles on phase equilibrium assemblages of a shoshonite from Vulcanello (Aeolian Islands, Italy). Experiments w...