Sietze de Graaff obtained on April 26, 2022, the academic degree of DOCTOR OF SCIENCES. The title of his doctoral thesis is: "Making Sense of Destruction: A Geochemical and Petrological Investigation of the Impact Melt Rocks and Crystalline Basement of the Chicxulub Impact Structure.
Joint PhD between Vrije Universiteit Brussel & Université Libre de Bruxelles
Promotor: Prof. Dr. Philippe Claeys and Prof. Dr. Nadine Mattielli
Co-promotor: Prof. Dr. Steven Goderis
External jury members, Prof. Dr. John Spray (University of New Brunswick) and Prof. Dr. David Kring (Lunar & Planetary Institute, Houston)
Sietze is now Doctor in Science - Congratulation Sietze