Plate Tectonics are a theoretical model builds on the concept of continental drift developed during the first few decades of the 20th century. Learn more at BYJU'S
This conceptual connection between intraplate ocean island volcanism and mantle plumes becomes clearer by noting the geochemical distinction between mid-ocean ridge basalts (MORB) of shallow, plate-tectonics origin and intraplate ocean island basalts (OIB) of deep, mantle plume origin. The incompatible...