plate tectonics

Have geologists just discovered a new layer of Earth's interior? A new study suggests that a previously unknown rocky layer
"We need to answer now the basic questions: what areas and under what conditions are the most dangerous?" he told the Siberian
“Understanding this boundary between the base of cold, rigid tectonic plates and the underlying hot, convecting mantle underneath
But what causes all that drifting in the first place? "Some of Earth's plates, it turns out, are pulling themselves," series
Perhaps not surprisingly, people have been quick to snicker about the Napa earthquake, downplaying its severity. To some extent, this makes sense -- the area was lucky. But while it's easy to cast judgment from afar and say, it's important to remember that these buildings meant something to their inhabitants.
As if Africa didn’t have enough to worry about with the massive Ebola outbreak, scientists say the continent is literally splitting apart.
David Hilton and his team of researchers from Scripps visited volcanoes on both sides of the Great Rift Valley and collected
Starting roughly 4 billion years ago, cooler parts of Earth's crust were pulled downwards into the warmer upper mantle, damaging
But here's the hitch: the reason these fragments smash into the continent instead of sinking into the mantle is that they
In such conditions, the material that solidified on the underside of that crust would have been rich in dense minerals (dark