Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust above it to "drip" and suck down rocks from across the continent.

North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, ...

Researchers have discovered that the underside of the North American ... revealed new details about the geologic processes happening in the crust and mantle underlying North America. “Because of the ...

Nearly 20 million years ago, the plate cracked apart after sliding under North America. Rock is still being pulled into the mantle by one ... even with the stunning discovery.

One of these slabs currently straddles the boundary between the mantle ... The discovery was possible thanks to a wider project led by Hua to map what lies beneath North America using a high ...

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is ...

This computer model utilized seismic data collected by the EarthScope project and revealed fresh details about the geologic processes happening in the crust and mantle underlying North America.

Even the oldest and most stable of lithospheric structures can’t withstand geologic machinations deep within the Earth.

The slab of rock is applying a downward dragging force on the continent and is "both redirecting the flow of material in the mantle ... part of the North American craton discovery is that the ...

An ancient slab of Earth's crust buried deep beneath the Midwest is sucking huge swatches of present-day's North American crust down into the mantle, researchers say. The slab's pull has created giant ...