Age resetting of hanging wall rocks above a low-angle detachment fault: Tinos Island (Aegean Sea)

The results of one-dimensional thermal modeling suggest that warm footwall rocks, emerging from great depth subsequently to HP/LT metamorphism, may have supplied the heat required for the metamorphism and ductile deformation at the base of the hanging wall. The model also indicates that only minor cooling of the footwall during decompression is allowed if the footwall is to warm up the hanging wall. This is a priori consistent with the isothermal decompression path of footwall blueschists and eclogites deduced from previous petrological studies on Tinos.