) BackHKU Geologists Suggest Early Continents Formed through Mantle Plumes, Not PlateCollisions... An illustration depicting the formation of TTGs in a two-stage mantle plume-sagduction model.
Evidence has been found for a mantle plume beneath Oman, on the Arabian Peninsula. Unlike all the confirmed mantle plumes found before, however, this one is not associated with current or recent volcanic activity, earning the title “ghost” plume.