A wrench in Earth's engine
Researchers at CU Boulder report that they may have solved a geophysical mystery, pinning down the likely cause of a phenomenon that resembles a wrench in the engine of the planet.
Researchers at CU Boulder report that they may have solved a geophysical mystery, pinning down the likely cause of a phenomenon that resembles a wrench in the engine of the planet.
Earth Sciences
Oct 1, 2018
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408
There may be more than a quadrillion tons of diamond hidden in the Earth's interior, according to a new study from MIT and other universities. But the new results are unlikely to set off a diamond rush. The scientists estimate ...
Earth Sciences
Jul 16, 2018
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1367
A new study suggests that rapid cooling within the Earth's mantle through plate tectonics played a major role in the development of the first life forms, which in turn led to the oxygenation of the Earth's atmosphere. The ...
Earth Sciences
Jun 7, 2018
1
138
A mountain range with a total length of 65,000 kilometers runs through all the oceans. It marks the boundaries of tectonic plates. Through the gap between the plates, material from the Earth's interior emerges, forming new ...
Earth Sciences
May 25, 2018
0
22
When an earthquake strikes, nearby seismometers pick up its vibrations in the form of seismic waves. In addition to revealing the epicenter of a quake, seismic waves can give scientists a way to map the interior structures ...
Earth Sciences
Mar 14, 2018
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138
New research by Brown University geochemists provides new insights on the scale at which Earth's mantle varies in chemical composition. The findings could help scientists better understand the mixing process of mantle convection, ...
Earth Sciences
Nov 23, 2017
1
134
Hawaii sits at the end of a chain of volcanoes running across the Pacific Ocean floor, but in the middle of this chain lies a bend of 60 degrees. For many decades geoscientists have struggled to explain exactly how and why ...
Earth Sciences
Nov 10, 2017
0
11
Research from the University of Texas at Arlington and the Wadia Institute of Himalayan Geology suggests that hydrogen, oxygen, water and carbon dioxide are being generated in the earth's mantle hundreds of kilometers below ...
Earth Sciences
Oct 3, 2017
4
442
A team led by geoscientists from Arizona State University and Michigan State University has used computer modeling to explain how pockets of mushy rock accumulate at the boundary between Earth's core and mantle.
Earth Sciences
Aug 2, 2017
0
494
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