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
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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...