Making diamonds is linked to various exotic rocks, study finds
Almost all volcanic rocks come from the Earth's upper mantle (or lava).
Earth Sciences
Nov 29, 2022
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13
News tagged with mantle
Related topics:
tectonic plates
· earth
What's the best mix of oceans to land for a habitable planet?
Earth is about 29% land and 71% oceans. How significant is that mix for habitability? What does it tell us about exoplanet habitability?
Astrobiology
Nov 25, 2022
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65
Study reveals low-degree melt metasomatic origin of heavy Fe isotope enrichment in mid-ocean ridge basalt mantle
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
Molybdenum isotopes reveal interaction between subducting slabs and mantles
Recently, a research team led by Prof. Dai Liqun from the University of Science and Technology of China (USTC) of the Chinese Academy of Science (CAS), has revealed that the mantle sources of Cenozoic and Mesozoic mafic igneous ...
Earth Sciences
Nov 17, 2022
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20
Powerful impact provides insight into deep structure of Mars
NASA's InSight lander (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) launched in 2018 with the goal of peering deep into Mars's interior for the first time to gain important information about ...
Planetary Sciences
Nov 15, 2022
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76
Magma floods erupt from deeper sources than earlier believed
An international group of geologists has demonstrated with computer simulation that huge magma eruptions can initiate deeper below the Earth's surface than previously believed. Such flood basalt eruptions have caused many ...
Earth Sciences
Nov 11, 2022
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102
Aluminous silica: A major water carrier in the lower mantle
Water is transported by oceanic plates into the Earth's deep interior and changes the properties of minerals and rocks, affecting the Earth's internal material cycle and environmental evolution since the formation of the ...
Earth Sciences
Oct 27, 2022
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474
Chang'E-5 samples reveal how young volcanism occurred on the moon
A new study led by Prof. Chen Yi from the Institute of Geology and Geophysics of the Chinese Academy of Sciences (IGGCAS) provides an answer to the question of how young volcanism occurred on the moon.
Planetary Sciences
Oct 21, 2022
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210
Can serpentinite dehydration release sulfate-rich fluids into sub-arc mantle?
Serpentinite dehydration is essential for water recycling in subduction zones, the released fluids are considered to be a critical component in the oxidation of the sub-arc mantle. However, whether the serpentinite-derived ...
Earth Sciences
Oct 21, 2022
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100
Researchers discover previously unknown mineralogy of the deep Earth
What is the structure of the Earth? For starters, it consists of several layers: the crust, the upper and lower mantle, and the core. The mantle makes up most of our planet's volume—84%. The lower mantle represents 55% ...
Earth Sciences
Oct 20, 2022
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