The effect of iron and alkali on the nanocrystal-free viscosity of volcanic melts: A combined Raman spectroscopy and DSC study

P Stabile, S Sicola, G Giuli, E Paris, MR Carroll… - Chemical …, 2021 - Elsevier
The iron coordination, its oxidation state (Fe 2+/Fe tot.), and alkali ratio [Na/(Na+ K)] greatly
influence the structure and thus the viscosity of volcanic melts, which is known to play a key …

[PDF][PDF] Water solubility in trachytic and pantelleritic melts: an experimental study

P Romano, I Di Carlo, J Andújar… - Comptes …, 2021 - comptes-rendus.academie-sciences …
Résumé Solubility experiments were performed on a trachyte and a pantellerite from
Pantelleria. The trachyte has SiO 2= 65. 2 wt%, Al 2 O 3= 15. 2 wt% and a peralkaline index …

A new application of Elasticnet regression based near-infrared spectroscopy model: Prediction and analysis of 2, 3, 5, 4′-tetrahydroxy stilbene-2-O-β-D-glucoside …

J Liu, T Geng, W Jiang, S Fan, J Chen, C Jia, S Ji - Microchemical Journal, 2024 - Elsevier
This study constructed a near-infrared spectroscopy (NIRS) quantitative analysis model of 2,
3, 5, 4′-tetrahydroxy stilbene-2-O-β-D-glucoside (TSG) and Polygonum multiflorum's water …

Crystal structure of nyerereite: A possible messenger from the deep Earth

A Zucchini, PN Gavryushkin, AV Golovin… - American …, 2022 - degruyter.com
Carbonates in the system Na2CO3-CaCO3 are nowadays suggested as having a wide
stability field at conditions of the mantle transition zone. Our structural analysis of nyerereite …

[PDF][PDF] Crystallization of peralkaline rhyolitic magmas: pre-and syn-eruptive conditions of the Pantelleria system

P Stabile, F Arzilli, MR Carroll - Comptes …, 2021 - comptes-rendus.academie-sciences …
Résumé Pantelleritic magmas are low-viscosity peralkaline rhyolites which exhibit large
differences in eruptive style (explosive to effusive). The processes that promote …

PyIRoGlass: An open-source, Bayesian MCMC algorithm for fitting baselines to FTIR spectra of basaltic-andesitic glasses

S Shi, WH Towbin, T Plank, A Barth, D Rasmussen… - Volcanica, 2024 - escholarship.org
Quantifying volatile concentrations in magmas is critical for understanding magma storage,
phase equilibria, and eruption processes. We present PyIRoGlass, an open-source Python …