Under the Pacific Ocean, hidden material was discovered in Earth’s mantle. So we have sunken, ancient worlds down there, and […] The post Underneath The Pacific Ocean, There Are Sunken Worlds In The ...

are where tectonic plates pull apart due to convection currents in the mantle. Most constructive plate boundaries are found on ocean floors. Some of these undersea volcanoes become so large that ...

Over billions of years, convective currents driving plate tectonics should remix and homogenize the entire mantle. However, these findings suggest that convection is limited to the upper part of ...