A German study shows that magma could rise from the upper mantle into the middle and upper crust beneath the Laacher See Volcano (Rhineland-Palatinate). This is the result of a study conducted by the Seismological Survey ...
Earth Sciences
Jan 8, 2019
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15
With an area of 2.5 million square kilometers and an altitude that can exceed 4,500 meters, the Tibetan Plateau is the largest and highest plateau on Earth. Although its formation over the past 65 million years is broadly ...
Earth Sciences
Nov 1, 2021
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41
Ancient, expansive tracts of continental crust called cratons have helped keep Earth's continents stable for billions of years, even as landmasses shift, mountains rise and oceans form. A new mechanism proposed by Penn State ...
Earth Sciences
May 8, 2024
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15
The homologous temperature of a crystalline material is defined as the ratio between temperature and the melting (solidus) temperature (Tm) in Kelvin. Because Tm of a crystalline material is controlled by the bonding force ...
Earth Sciences
Jun 16, 2016
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6
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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0
When one tectonic plate dives beneath another at a subduction zone, it recycles huge amounts of water and other chemicals into Earth's mantle. The sinking plate carries seawater trapped in sediments and crust or chemically ...
Earth Sciences
Feb 16, 2021
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34
Studies of mid-ocean ridge basalts (MORBs) show a variable Fe isotope composition of the oceanic upper mantle, beyond explanation by processes of mantle melting from a uniform source and magma evolution, indicating Fe isotope ...
Earth Sciences
Nov 25, 2022
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12
Researchers at Ehime University have reported the sound velocity of MgSiO3 Majorite garnet up to the pressure of 18 gigapascals and temperature up to 2,000 Kelvins. Their results lead to understanding of the mineral composition ...
Earth Sciences
Aug 25, 2021
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5
Olivine is an important component of Earth's upper mantle. The effect of boron on the properties of olivine has been previously ignored since boron is largely incompatible with olivine. Most recovered natural olivine samples ...
Earth Sciences
Jun 14, 2022
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10
Since the dawn of the Industrial Revolution, the increase in carbon dioxide emissions has consistently warmed the Earth's climate. At the current warming rate, our planet might potentially be on track toward witnessing a ...
Earth Sciences
Mar 18, 2024
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