GNGTS 2022 - Atti del 40° Convegno Nazionale

142 GNGTS 2022 Sessione 1.3 Fig. 3 - Blind frontal ramp of the Eastern Sulaiman Fold Thrust (SFT). a) Extension of the Boundary Thrust south of the Zindapir anticlinorium and the Sakhi Sarwar anticline. The ramp is buried under recent sediments from the Indus River ood plain, 30km east of the Eastern SFT. The dashed line with chevron is the proposed extension of the Boundary Thrust (BT). b) Cross-section across the Dajal earthquake epicentral area with a fault-propagation fold extending from the southern extension of the BT buried under Miocene or younger sediments. younger sediments of the Indus River floodplain (Fig. 4). Our interpretation is substantiated by nearby seismic reflection profiles (Saif-Ur-Rehman et al., 2019) that suggest the presence of a shallow dipping decollement at a depth of 7 to 9 km. The basal decollement and forward- vergent blind ramp may constitute the eastern termination of the SFT, extending the BT farther south. The prolongation of the BT is compatible with the overall strike and longitude of the Dajal earthquake ramp. The buried BT may thrust the same sequence of Cretaceous-to-recent