7d
Live Science on MSNScientists discover giant blobs deep inside Earth are 'evolving by themselves' — and we may finally know where they come fromGiant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.
Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.
Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds. Known as large low-seismic-velocity provinces (LLSVPs), these blobs are both hotter and ...
It is unlikely that the Earth's mantle — the layer beneath ... Although such a 'plum-pudding' mantle — one consisting of blobs of one composition dispersed in a matrix of another — has ...
11d
Smithsonian Magazine on MSNOldest Known Impact Crater Discovered in AustraliaThe discovery bolsters the theory that meteorite impacts played an important role in Earth's early geological history ...
The oldest rocks on Earth formed more than 3 billion years ago ... As the impacts blasted up enormous volumes of material and ...
Massive mantle formations, called LLSVPs, have been found to be over a billion years old. These structures, sitting 3,000 km beneath the surface, slow seismic waves, indicating unique physical and ...
One theory suggests superplumes could be leftovers from Theia, the Mars-sized protoplanet that formed the Moon after colliding with Earth. 'James Webb killer is here': NASA’s SPHEREx will scan ...
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