资讯

Earth's crust today has a surprisingly similar composition to the planet's first outer shell, or "protocrust," new research ...
Deep beneath the surface of our planet, from the Himalayas to East Africa and from the Atlantic seafloor to the Indian Ocean, ...
Geologists have made certain assumptions about how the crust making up our planet's earliest surface formed, but a new study ...
New research suggests that Earth's first crust, formed over 4.5 billion years ago, already carried the chemical traits we ...
With a computer rendering, he helped scientists understand that the earth, with its shifting tectonic plates, is “an ...
Scientists discovered Earth's first crust had continental chemical signatures. This challenges beliefs about when these ...
"It's wild to think that in some ways tectonic plates have a 'memory' and that affects the way the plates drive mantle convection and mix material back into Earth," said Dr. Nick Harmon ...
Researchers have made a new discovery that changes our understanding of Earth's early geological history, challenging beliefs ...
Scientists have long thought that tectonic plates needed to dive beneath each other to create the chemical fingerprint we see ...
Earth’s earliest crust, formed over 4.5 billion years ago, has long been thought to have lacked the complex chemical features ...
Even the oldest and most stable of lithospheric structures can’t withstand geologic machinations deep within the Earth.