Scientists have discovered a new layer of partly molten rock under the Earth's crust that might help settle a long-standing debate about how tectonic plates move.
Earth Sciences
Feb 6, 2023
0
1077
The rapid development of fauna 540 million years ago has permanently changed the Earth—deep into its lower mantle. A team led by ETH researcher Andrea Giuliani found traces of this development in rocks from this zone.
Earth Sciences
Mar 7, 2022
0
1294
As you are reading this, more than 400 miles below you is a massive world of extreme temperatures and pressures that has been churning and evolving for longer than humans have been on the planet. Now, a detailed new model ...
Earth Sciences
Jan 12, 2023
3
602
Seismic wave-speeds have revealed part of an ancient volcanic "superplume" beneath New Zealand, highlighting connections between the Earth's deep interior and the surface we live on.
Earth Sciences
May 29, 2020
0
803
Ancient, distinct, continent-sized regions of rocks, isolated since before the collision that created the Moon 4.5 billion years ago, exist hundreds of miles below the Earth's crust, offering a window into the building blocks ...
Earth Sciences
Sep 19, 2019
7
250
Current understanding is that the chemical composition of the Earth's mantle is relatively homogeneous. But experiments conducted by ETH researchers now show that this view is too simplistic. Their results solve a key problem ...
Earth Sciences
Oct 21, 2020
0
1180
Scientists have long speculated about why there is a large change in the strength of rocks that lie at the boundary between two layers immediately under Earth's crust: the lithosphere and underlying asthenosphere. Understanding ...
Earth Sciences
Mar 22, 2012
0
0
Geophysicists at the Earth-Life Science Institute (ELSI) at the Tokyo Institute of Technology report in Nature Geoscience a new model for the existence of a deep mantle conveyor belt system that may have operated inside the ...
Earth Sciences
Feb 28, 2017
6
433
Volcanoes erupt when magma rises through cracks in the Earth's crust, but the exact processes that lead to the melting of rocks in the Earth's mantle below are difficult to study.
Earth Sciences
Jul 6, 2017
0
360
Bringing fresh insight into long-standing debates about how powerful geological forces shape the planet, from earthquake ruptures to mountain formations, scientists at Scripps Institution of Oceanography at UC San Diego have ...
Earth Sciences
Jul 6, 2011
11
1
