Recent drilling into the peak ring of the Chicxulub impact crater under the umbrella of IODP and ICDP (Expedition 364) has led to significant progress in understanding processes of large meteorite impact cratering. The session aims at comparing first results of the Chicxulub drilling project with recent advances in understanding impact cratering obtained from other terrestrial craters and impact structures on rocky planets. We solicit chiefly contributions addressing the mechanics of impact cratering, including processes of long-term crater modification, the generation and emplacement of impact melt bodies, the structural and thermal transformation of target rock including its redistribution during cratering, and all aspects of environmental effects. Moreover, the session aims at elucidating these processes by comparing data sets based on field studies, examination of drill core, geophysical imaging, geochemical and geochronological analyses, remote sensing, experimental techniques and numerical modelling.

Solicited persons: Gareth S. Collins (Imperial College, London, UK) and Thomas Kenkmann (Freiburg University, Germany)