Faults and fractures in the upper crust record histories of crustal deformation and basin evolution, they provide important pathways for natural resources and environmental contaminants, and can present natural hazards to society. The timing of fault-slip, fluid-flow and fracture-filling is key to our further understanding of these processes in a wide range of settings and applications. Until recently, absolute or high-resolution constraints have been scarce. New techniques in vein mineral characterisation, such as clumped isotope and in-situ stable isotope measurements, are enhancing our ability to place brittle structures in their tectonic context, and to understand how these structures influence crustal fluid-flow. Furthermore, the progression of dating techniques, such as K-Ar illite, U-Pb calcite, (U-Th)/He hematite and goethite, and cosmogenic isotopes, are greatly increasing our ability to place direct chronological constraints on fault movement and fluid migration, which is key to our understanding of how faults and fractures evolve through time and in space. We aim to bring together research across this multi-disciplinary field, covering a breadth of new insights into the timing of faulting, fracturing and fluid migration in the upper crust.

Invited talk: Perach Nuriel (Geological Survey of Israel)