Browsing Fakultät für Geowissenschaften und Geographie (inkl. GAUSS) by Advisor "Webb, Sharon Prof. Dr."
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Influence of oxygen fugacity on the viscosity of CO2-, H2O-, and halogen-bearing basaltic melts
(2019-03-04)Abstract The aim of this study is to demonstrate the effect of chlorine (Cl-), fluorine (F-), water (H2O) and carbon dioxide (CO2) on the viscosity of basaltic melts and a comparison to literature models. The basaltic ... -
Physical and thermodynamic properties of aluminosilicate melts as a function of composition
(2008-04-25)Viscosity, heat capacity, density, compressibility, thermal conductivity, thermal expansion, diffusivity, surface tension of melts are all controlled by the melt structure. The structure of the melt is a function ... -
The Influence of Fluorine, Chlorine and Water on the Rheology and Structure of Na2O-CaO-Al2O3-SiO2 Melts
(2014-05-21)This study investigates the influence of 1.6 to 14.5 mol% water, 1.1 to 18.3 mol% fluorine (F) and 0.5 to 1.4 mol% chlorine (Cl), alone and combined, on the structure and viscosity of peralkaline and peraluminous Na2O CaO ... -
Unmixing of Phosphorus-bearing Melts on Earth and Mars
(2019-04-17)The aim of this study lies in the investigation on unmixing in aluminosilicate melts. Therefore, six glasses of peralkaline and peraluminous compositions were synthesized in the system CaO-Al2O3-SiO2, Na2O-Al2O3-SiO2 and ... -
Violence and volume: an experimental study of CO2 driven eruptions of Colli Albani
(2022-04-07)This thesis presents the first rheological investigations of melts from the Colli Albani Volcanic District (CAVD) near Rome (Italy). Despite their silica-poor (< 45 wt%) and ultrapotassic composition – indicating a low ...