Carbon degassed from planetary mantles by volcanic activity plays an important role in the planetary surface environment. However, how the carbon content in the Earth's mantle was established is still poorly understood. Here ...
Planetary Sciences
Jun 1, 2021
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Geoscientists have, for the first time, discovered the origins of Australia's two largest basins: Lake Eyre and the Murray-Darling Basin. The research also implies that in 30 million years' time both basins will cease to ...
Earth Sciences
May 11, 2015
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A new hydrous phase, ε-AlOOH, was observed to be stable at pressures above 200 GPa. The stability of ε-AlOOH at extremely high pressures may affect the modeling results of the internal structure and deep water circulation ...
Earth Sciences
Dec 10, 2019
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(PhysOrg.com) -- Small scale convection at the base of the Pacific plate has been simulated in a model of mantle plume dynamics, enabling reasearchers to explain the complex set of observations at the Hawaiian hotspot, according ...
Earth Sciences
Jun 29, 2011
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A new agreement between Macquarie University and the Australian Nuclear Science and Technology Organisation (ANSTO), will help us better understand everything from where earthquakes might occur to where gold is deposited.
Earth Sciences
Nov 22, 2011
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Zinc (Zn) isotope systematics is a useful tool to study planetary evolution and trace carbon cycling in the Earth's mantle. However, zinc isotope data for mid-ocean ridge basalts (MORB), the most widespread magmatic rocks ...
Earth Sciences
Mar 7, 2023
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4
The Earth's mantle makes up about 85% of the Earth's volume and is made of solid rock. But exactly what rock types is the mantle made of, and how are they distributed throughout the mantle? An international team of researchers—including ...
Earth Sciences
Nov 30, 2022
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72
The composition and temperature of the Earth's interior are fundamental for understanding the Earth's interior and dynamics. Because it's impossible to directly access most areas of the Earth's interior, the combination of ...
Earth Sciences
Jun 8, 2016
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Professor Eiji Ohtani from Tohoku University, Japan, summarized the content, distribution and effect of water in the Earth's mantle, published in National Science Review.
Earth Sciences
Jul 10, 2019
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5
(PhysOrg.com) -- Sandwiched between the liquid iron outer core and the thin rocky crust we live on, the Earth's mantle is more than 1,800 miles thick, and comprises more than three-quarters of the planet's volume and nearly ...
Earth Sciences
Jun 11, 2010
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