资讯
12 天
Space.com on MSNNorth America is 'dripping' down into Earth's mantle, scientists discoverSeismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...
The North American continent is "dripping" rock into the lower layers of the Earth, new research says, and in the process ...
Beneath the crust of North America, scientists have found that the deep roots of the continent are slowly dripping away in ...
Researchers have discovered that the underside of the North American continent is dripping away in blobs of rock—and that the remnants of a tectonic plate sinking in Earth's mantle may be the reason ...
A map showing seismic speed in Earth’s crust at 125 miles depth across the continental U.S. and portions of Central America and Canada. The North American craton (outlined in black dashes) has a ...
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 ...
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 ...
11 天
The Daily Galaxy on MSNGeoscientists Discover North America’s Crust Is Slowly Being “Sucked” Into Earth’s ...A fascinating new study reveals that a massive chunk of Earth’s crust, buried deep beneath the Midwest, is slowly pulling ...
A new study details how the North American plate is “dripping” into the mantle due to the continued influence of the Farallon Plate, which has been subducting under the continent for 200 ...
Scientists have discovered that a portion of the North American craton is slowly dripping into Earth's mantle, challenging ...
The oldest parts of Earth's continents are called cratons, and underneath, they are rooted to the mantle... | Earth And The ...
When Maureen Long talks to the public about her work, she likes to ask her audience to close their eyes and think of a landscape with incredible geology. She hears a lot of the same suggestions: ...
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