Valerian Schuster and lab folks (including me) published a paper on frictional behavior and strain partitioning of Opalinus clay during fault reactivation. The paper have been published recently as Open Access article in the Journal of Rock Mechanics and Rock Engineering.
Schuster, V., E. Rybacki, A. Bonnelye, G. Kwiatek, A. M. Schleicher, and G. Dresen (2022). Strain Partitioning and Frictional Behavior of Opalinus Clay During Fault Reactivation, Rock Mechanics and Rock Engineering, DOI 10.1007/s00603-022-03129-7. [ Article Page ] [ Direct Link – Open Access ].