Can mantle convection by distant rifting induce intraplate volcanism?

Rifting is a large-scale planetary evolution process that forms a new oceanic crust with mid-ocean ridges in an extensional environment. In this process, mantle convection occurred and material circulates, forming a volcano in the surrounding area. It is well known that mantle flow of rifting causes volcanism, but most of the volcanic processes are concentrated in the mid-ocean ridge and rift center axis. Recently, many of theory (lithosphere delamination, edge-driven convection, slab tearing, etc.) have been discussed to explain intra-plate volcanic mechanisms at non-plume and non-extension conditions. However, has been rarely studying the correlation between intra-plate volcanism and distant rifting. To identify the origin of occurring volcanoes in the continental margin and intra-plate is necessary studying to evolution mechanism and lower mantle. The formation of rifting and continental margin is closely related, and it is assumed that mantle convection significantly affects intra-plate volcanism. Well known through previous studies that mantle convection Along the rifting axis affects various evolution such as rift propagation, ridge jump, rift fail or end tip with transform fault. In this study, we estimate the possibility mantle convection can induce intra-plate volcanism at rifting end tip and continental beyond the margin. We adopt the open-source finite element geodynamics software, ASPECT, which makes a 3-D rifting model for observing the evolution process and mantle convection below the continental margin.