Few gemstones are more difficult to find than diamonds. Geologists from ETH Zurich and the University of Melbourne have now established a link between their occurrence and the mineral olivine. This could make the search for ...
Earth Sciences
Feb 8, 2024
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141
In recent years, the hydrothermal alteration of olivine has attracted the attention of geologists, biologists, and chemists. It significantly influences the physical and chemical properties of the oceanic lithosphere, and ...
Earth Sciences
Jan 26, 2024
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1
Hidden in the minerals and textures that make up rocks are clues about how and when they formed and were later altered. These changes can occur due to the presence of water-rich fluids and may also be influenced by biological ...
Planetary Sciences
Oct 31, 2022
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30
A study conducted by a joint team from Chinese Academy of Sciences used aberration-corrected transmission electron microscopy (TEM), Electron-energy loss spectroscopy (EELS) and scanning transmission electron microscopy (STEM) ...
Planetary Sciences
Sep 30, 2022
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25
Earthquakes which occur at depths of several hundred kilometers in the mantle are called "deep-focus earthquakes". Such earthquakes occasionally result in serious disasters such as the 1994 Bolivian earthquake, which occurred ...
Earth Sciences
Sep 16, 2022
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20
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
Scientists with NASA's Perseverance Mars rover mission have discovered that the bedrock their six-wheeled explorer has been driving on since landing in February likely formed from red-hot magma. The discovery has implications ...
Planetary Sciences
Dec 15, 2021
1
993
Sophisticated analysis of a rock sample taken from the Moon during the Apollo 17 mission revealed new information about the complex cooling and evolutionary history of the Moon. The findings, from University of Hawai'i (UH) ...
Planetary Sciences
Dec 14, 2021
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141
A team of researchers has discovered more about the grain-scale fluid connectivity beneath the Earth's surface, shedding new light on fluid circulation and seismic velocity anomalies in subduction zones.
Earth Sciences
Nov 12, 2020
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4
Planetary scientists from Brown University have developed a new remote sensing method for studying olivine, a mineral that could help scientists understand the early evolution of the Moon, Mars and other planetary bodies.
Space Exploration
Nov 2, 2020
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