They used a thick, gooey polymer to represent the middle mantle, and a mix of clay and the polymer for the more rigid upper mantle, topping it off with a silica-and-ceramic "crust." When left to ...

Scientists have dug the deepest hole ever in rock from Earth's mantle, drilling more than 4,160 feet in the North Atlantic ocean. The team of researchers used an ocean drilling vessel to dig into ...

Get Instant Summarized Text (Gist) Two continent-sized regions in Earth's deep mantle, known as Large-Low-Velocity-Provinces (LLVPs), have distinct evolutionary histories and chemical compositions ...