English Cobb hotspot Cited by user Ailobao on 04 Jun 2017 Derives from plumes of molten mantle that upwell to the crust of Earth, whether that be oceanic crust or continental.
English Cobb hotspot Cited by user Ailobao on 04 Jun 2017 Derives from plumes of molten mantle that upwell to the crust of Earth, whether that be oceanic crust or continental.