A body of rock is said to exhibit opposite shear senses (OSS) when conflicting slip sense occurs at some portion of the rock. Terms such as contradictory/conflicting shear senses, reverse shear, kinematic reversal can also be found in the literature. Besides, shear sense reversal’, ‘slip reversal,’ ‘shear sense inversion,’ or ‘slip sense inversion’ also exist. In Dutta & Mukherjee (2019, JSG), we cataloged 59 reports of OSS in ductile and brittle regimes from 56 locations globally, from collisional, extensional, and strike-slip tectonic settings besides a few cratons, and provide a comprehensive review of the mechanisms that could lead to occurrences of OSS. We observed that multiply deformed terranes, which have undergone orthogonal switching of the principal stress axes (both local and/or regional), are more likely to exhibit OSS.

We also noticed OSS in mylonitic schist and granitic gneiss of the Lesser Himalayan Sequence (NW Indian Himalaya) and Tso Morari Crystallines (Ladakh Himalaya), respectively. In the case of the latter, OSS were confirmed from both thin-sections and quartz CPOs (Dutta & Mukherjee, 2021, Tectonophys).