Abstract Concentrations of fluorine and chlorine were measured in glasses (quenched melts) coexisting clinopyroxene, orthopyroxene, olivine, plagioclase run products experiments previously used to measure sulfur partitioning between these phases. The F clinopyroxene silicate melt was determined 13 at a variety pressures, temperatures, compositions ranging from basaltic dacitic (49 66 wt% SiO2) ...

The Euganean Hills (NE Italy) magmatic district represents the final volcanic activity of Veneto Volcanic Province. Alkaline to subalkaline suite dominated by intermediate felsic rocks characterises latest Hills. Magmatic (intrusive and volcanic) enclaves are common in trachytes. We used ability clinopyroxene record variations P, T, fO2 reconstruct geological history trachytic host. Despite sim...

An altered fluffy type A CaAl-rich inclusion in the CR2 Renazzo carbonaceous chondrite was examined by combined Raman, scanning electron microscopy with energy dispersion system (SEM-EDS) and cathodoluminescence (CL) mapping. Blue CL at 450 nm orange emission 600 were related to anorthite calcite, respectively. Raman spectra highly fluorescent, only stronger peaks of anorthite, clinopyroxene c...

[ 1] Volcan Ecuador, a young, active shield volcano at the northwest tip of Isabela Island, Galá pagos, experienced at least one sector collapse event that removed its western half. The compositions of lavas exposed in the old caldera wall and fault scarps dissecting the outer shield together with young postcollapse lavas provide insights into the history of this volcano. Ar/ Ar and cosmogenic ...