The Pleistocene basalt and clastics are distributed in northern Korea and its vicinity.The lower Pleistocene basalt is referred to platform basalt formed on broad and flat erosion surface of Plioeene. The topography in the area is formed by the neotectonic movements after the lower Pleistocene sedi...
Potential sources to produce such rocks lie in the deep crust, possibly including melts from the mantle. Consequently, the Red River shear zone must be a deep-rooted structure, along which melts migrated to the surface. Moreover, the contemporaneity of shear motion and magma generation suggests ...