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A study reveals that the oldest continental crust on Earth is slowly being broken up by shifting tectonic forces.
8 小时
Indy100 on MSNThe Earth’s crust is disappearing beneath our feet – and most people don’t even ...The Earth’s crust is disappearing right beneath our feet – and most people don’t even realise it. Now, if you’re a geologist, ...
Continental crust is also less dense than oceanic crust, though it is considerably thicker; mostly 35 to 40 km versus the average oceanic thickness of around 7-10 km.
4 小时
Study Finds on MSNAfrica’s Continental Split May Hold Clues To What’s Happening Deep Inside EarthIn a nutshell Scientists found that how fast continents pull apart affects how molten rock moves deep underground, ...
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1 天
Indian Defence Review on MSNScientists Stunned as Earth’s Mantle Pulses Beneath AfricaScientists have discovered a rhythmic pulse beneath Africa’s surface.
Open a middle‑school Earth‑science book and you’ll see a tidy story: the North Atlantic split apart, Greenland sailed west ...
Earth’s earliest crust may have looked a lot more like the continents we know today than scientists once believed. A recent study shakes up old ideas about how Earth's surface evolved, showing that ...
1 天
ScienceAlert on MSNEarth Is Pulsing Beneath Africa Where The Crust Is Being Torn ApartThe Afar junction is the point at which the Arabian, Nubian, and Somalian plates meet, each departing in their own directions to leave a widening gap under the Afar Triangle. Eventually, the crust ...
Researchers in Ethiopia’s Afar Rift report a deep, rhythmic mantle “pulse” that is slowly tearing Africa apart to form a new ...
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