Permo-Triassic changes in bulk crustal shortening direction during deformation and metamorphism of the Taebaeksan Basin, South Korea using foliation intersection/inflection axes: Implications for tectonic movement at the eastern margin of Eurasia during t

► Foliation intersection axes preserved in porphyroblasts from the Taebaeksan Basin, South Korea ► Collisional events during the Permo-Triassic Songrim orogeny deduced from microstructures ► The E-W shortening is related to amalgamation between proto-Japan terrane and east Asia margin. ► The N-S shortening is associated with the collision of the North and South China blocks.