How did eastern North America form?

How did eastern North America form?

Collisions hold lessons for how the edges of continents are built and change over time.

North America is "dripping" blobs of rock down into Earth's mantle

Beneath the crust of North America, scientists have found that the deep roots of the continent are slowly dripping away in blobs of rock.

North America is 'dripping' down into Earth's mantle, scientists...

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. 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 "drips" that hang from the underside of the continent down…

Scientists Discover That North America Is “Dripping” Down Into Earth’s Mantle

Researchers have discovered cratonic thinning occurring beneath North America, driven by the remnants of the Farallon Plate. Researchers have discovered that the underside of the North American continent is slowly dripping away in blobs of rock. The remnants of a tectonic plate sinking into the Earth’s mantle may be the cause of this phenomenon. A [...]

North America Is Dripping Into Earth's Mantle And An Ancient Victim Is Probably To Blame

Far be it from us to suggest there’s a parallel between the continental plate’s behavior and what is happening on top, but what once seemed solid and permanent is wearing thin.

Earth's Crust Is Dripping Under Midwest US, Scientists Discover

Beneath the American Midwest, on the continent of North America, the underside of Earth's crust is dripping into the planetary interior.