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
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138
What is the chemical composition of the Earth's interior? Because it is impossible to drill more than about ten kilometres deep into the Earth, volcanic rocks formed by melting Earth's deep interior often provide such information. ...
Earth Sciences
Sep 16, 2019
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63
The plate tectonics theory established in the 20th century has been successful in interpreting many geological phenomena, processes, and events that have occurred in the Phanerozoic.
Earth Sciences
Jan 4, 2024
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33
The rocks at the surface of the modern Earth are broadly divided into two types: felsic and mafic. Felsic rocks are generally relatively low density—for a rock—and light in color because they are made from whitish minerals ...
Earth Sciences
Jun 18, 2020
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37
Continents 4.5 billion years old, entombed nearly 2,000 miles underground, predate the formation of the moon and could shed light on how everything we know today came to be, according to new research.
Earth Sciences
Sep 27, 2019
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103
In an international collaboration, Earth scientists at the University of Cologne and Freie Universität Berlin have discovered that some magmas on Earth, which made their way through the deep terrestrial mantle and erupted ...
Earth Sciences
Apr 28, 2022
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143
(Phys.org)—Exoplanet hunters estimate that there could be billions of super-Earths—planets with a mass of up to ten times that of Earth—orbiting stars in the Milky Way alone. But do super-Earths really deserve their ...
Astronomy
Sep 25, 2012
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0
Volcanoes are an explosive and mysterious process by which molten rock from Earth's interior escapes back into the atmosphere. Why the volcano erupts - and where it draws its lava from - could help trace the lifecycle of ...
Earth Sciences
Jun 13, 2016
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29
Researchers have found evidence of a potential "ocean's worth" of water deep beneath the United States.
Earth Sciences
Aug 22, 2014
3
1
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
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