The Indian Ocean "gravity hole" is a region ... as these fragments landed in the lowermost regions of the mantle, they ...
The plateau effectively capped the plume for 30 million years, suppressing mantle melting, halting the creation of new volcanic structures, and resulting in the 30-million-year gap in the Samoan ...
This is a 3D view of the top 1,000 kilometers of the earth's mantle beneath ... between seismically-slow "plumes" and channels imaged in the study. Green cones on the ocean floor mark islands ...
These are common in the Pacific Ocean; Hawai'i is a famous example. They form from large blobs of rock that slowly rise from ...
Dynamic Earth presents the principles of convection in the earth's mantle in an accessible style. Mantle convection is the process underlying ... As a general rattle of plates and a dance of plumes, ...
If confirmed, this "recycled" ocean floor would act almost like a ... The core's temperature variations control "where we have mantle plumes," the pools of lava that create archipelagos like ...
Hot spots occur where columns of superheated magma, or mantle plumes, cause the Earths’ crust ... the size of the island as it flowed into the ocean.