Echoes of impact: A petrographic analysis and classification of impact breccias from Hummeln, Sweden.
The Hummeln structure is a relatively recently confirmed impact structure located in the northeastern part of the province of Småland in Sweden (57.37347°N 16.25084°Ö). Due to its relatively recent confirmation, detailed petrographic studies regarding shock metamorphism and shock metamorphic features in the Hummeln-1 drill core are lacking. The drill core is the only drill core from the structure