I use high-pressure, high-temperature experimental techniques to study the evolution of rocky planets and planetesimals. By subjecting rocks, metals and fluids to extreme pressures and temperatures I determine their chemical and physical properties. This generally involves the use of hydraulic presses, furnaces, autoclaves, rheometers and in situ measurement techniques (e.g. X-ray absorption) and thermogravimetric analyses. 

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I am Edgar Steenstra, an assistant professor at TU Delft. My research is focused on but not limited to geochemistry of terrestrial and planetary samples, which includes the evolution of volatile elements, core/mantle differentiation, sulfide ore petrogenesis, as well as material science and metallurgy. I use both experimental (piston cylinder, multi-anvil, diamond anvil cell) and empirical approaches (geochemical modelling) to study these topics.