The continuous formation and destruction of ocean crust is a characteristic of global plate tectonics and the dynamic Earth. Our research group studies various aspects of this cycle, which has a decisive influence on the chemical evolution of the main reservoirs of our planet.
Our rock samples come from the seafloor and from land and underwater volcanoes. They are taken using research vessels and unmanned or manned submersibles, as well as during land-based work. We analyze the samples geochemically and mineralogically to better understand how ocean crust and ocean islands form and develop.
Furthermore, we study hydrothermal systems such as black smokers, where seawater reacts with hot ocean crust. Massive sulfide deposits as well as unique chemosynthetic ecosystems develop at these hot springs. The mass and energy fluxes of these systems are studied using analytical and theoretical geochemistry.
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