Chlorine isotope ratios record magmatic brine assimilation during rhyolite genesis
Magmatic volatile phases within crustal silicic magma domains influence key volcanic
processes such as the build up to eruptions and formation of magmatic-hydrothermal ore
deposits. However, the extent and nature of fluid-melt interaction in such environments is
poorly understood, as geochemical signals in volcanic rocks originating from pre-eruptive
volatile processes are commonly overprinted by syn-eruptive degassing. Here, we use
δ37Cl as a conservative tracer of brine-melt interaction on a broad suite of silicic volcanic …
processes such as the build up to eruptions and formation of magmatic-hydrothermal ore
deposits. However, the extent and nature of fluid-melt interaction in such environments is
poorly understood, as geochemical signals in volcanic rocks originating from pre-eruptive
volatile processes are commonly overprinted by syn-eruptive degassing. Here, we use
δ37Cl as a conservative tracer of brine-melt interaction on a broad suite of silicic volcanic …
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