The LLSVPs are found in what scientists refer to as "slab graveyards," where tectonic plates sink through a process called ...
At around 620 miles high, these subsurface “islands of rock” stand more than 100 times higher than Mount Everest’s summit of around 5.5 miles, ...
Alan Arnette, an Everest summiteer and a well-respected chronicler of the mountain, suggests that from his research the ...