Far below Bermuda's pink sand beaches and turquoise tides, geoscientists have discovered the first direct evidence that material from deep within Earth's mantle transition zone—a layer rich in water, crystals and melted ...
Earth Sciences
May 15, 2019
0
241
Through global-scale seismic imaging of Earth's interior, research led by The University of Alabama revealed a layer between the core and the mantle that is likely a dense, yet thin, sunk ocean floor, according to results ...
Earth Sciences
Apr 5, 2023
2
888
Reservoirs of oxygen-rich iron between the Earth's core and mantle could have played a major role in Earth's history, including the breakup of supercontinents, drastic changes in Earth's atmospheric makeup, and the creation ...
Earth Sciences
Nov 14, 2017
6
798
If you could travel back in time 41,000 years to the last ice age, your compass would point south instead of north. That's because for a period of a few hundred years, the Earth's magnetic field was reversed. These reversals ...
Earth Sciences
May 16, 2017
5
177
A team of researchers understands more about the melting of the Greenland ice sheet. They discovered a flow of hot rocks, known as a mantle plume, rising from the core-mantle boundary beneath central Greenland that melts ...
Earth Sciences
Dec 7, 2020
156
223
"A diamond is forever." That iconic slogan, coined for a highly successful advertising campaign in the 1940s, sold the gemstones as a symbol of eternal commitment and unity.
Earth Sciences
Jul 29, 2023
0
13
Nearly 1,800 miles below the earth's surface, there are large odd structures lurking at the base of the mantle, sitting just above the core. The mantle is a thick layer of hot, mostly plastic rock that surrounds the core; ...
Earth Sciences
Sep 21, 2018
6
103
Two geoscientists, one with Princeton University, the other with Guangzhou Institute of Geochemistry, have developed a theory to explain how helium-3 leaks from the Earth's core into the mantle. In their study, reported in ...
Scientists have dated the birth of the solar system to about 4.57 billion years ago. About 60 million years later a "giant impact" collision between the infant Earth and a Mars-sized body called Theia created the moon.
Earth Sciences
Nov 12, 2023
0
26
The Earth's core is an exceptionally difficult place to study. Its depths descend a staggering 2,900 kilometers—about the distance from New York City to Denver—and its extreme, otherworldly conditions are extraordinarily ...
Earth Sciences
Dec 20, 2018
0
157
