Geochemistry of Volcanic fluids
Description including Unit Aims
The water cycle: Surface water and groundwater. Water-rock interaction: acid-base equilibria and the carbonate system. Redox equilibria Eh-pH diagrams. Activity diagrams. Stable isotopes geochemistry. Geochemical processes governing chemical and isotopic composition of fluid in volcanic and geothermal areas. Geothermal gas equilibria. Geothermal solute equilibria. Volcanic gas equilibria. Fluid geochemistry monitoring techniques of volcanic and hydrothermal systems. Sampling of volcanic-hydrothermal fluid. Laboratory experiences. Chemical and isotopic analytical techniques. Mathematical and statistical methods for data processing. Methods for numerical physical modelling of geochemical processes.
Geochemical monitoring: Monitoring fumaroles features through geochemical instruments, CO2 monitoring, SO2 monitoring, monitoring gas flux and concentrations.
Intended Learning Outcomes
The goal of this course is to introduce the students to the methods of the fluid geochemistry. To develop the students’ skills to plain and define the strategies to investigate volcanic areas. Students should be able to carry out fluid sampling and measurements in the field, they should also learn laboratory instruments and analysis techniques.
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