Little is known about the nature and evolution of Earth's continental crust before a few billion years ago because cratons, or stable swaths of the lithosphere more than 2–3 billion years old, are relatively rare.
Earth Sciences
Apr 24, 2024
0
310
Earthquakes and landslides are famously difficult to predict and prepare for. By studying a miniature version of the ground in the lab, scientists at the UvA Institute of Physics have demonstrated how these events can be ...
Earth Sciences
Apr 19, 2024
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117
As an important subduction component, altered oceanic crust (AOC) is widely distributed on the oceanic subducting slab and may contribute significantly to the chemistry of arc magmas. However, identifying this contribution ...
Earth Sciences
Apr 11, 2024
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9
Scientists use tiny minerals called zircons as geologic timekeepers. Often no bigger than a grain of sand, these crystals record chemical signatures of the geological environment where they formed. In a new study led by scientists ...
Earth Sciences
Apr 3, 2024
1
109
The core-mantle boundary (CMB) is crucial for the Earth's magnetic field and rotation. It is known that this boundary harbors complex structures, including ultralow velocity zones (ULVZs), characterized by significantly slowed ...
Earth Sciences
Apr 1, 2024
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25
The oldest Scandinavian bedrock was "born" in Greenland according to a new geological study from the University of Copenhagen. The study helps us understand the origin of continents and why Earth is possibly the only planet ...
Earth Sciences
Mar 21, 2024
1
117
A NIMS research team has developed an AI technique capable of expediting the identification of materials with desirable characteristics. Using this technique, the team was able to discover high-performance water electrolyzer ...
Analytical Chemistry
Mar 1, 2024
0
99
A new study, resorting to computational models, predicts that a subduction zone currently below the Gibraltar Strait will propagate further inside the Atlantic and contribute to forming an Atlantic subduction system—an ...
Earth Sciences
Feb 15, 2024
0
274
Geoscientists have uncovered a missing link in the enigmatic story of how the continents developed—a revised origin story that doesn't require the start of plate tectonics or any external factor to explain their formation. ...
Earth Sciences
Jan 31, 2024
1
151
Researchers from The University of Western Australia examined 3.5 billion-year-old hydrothermal vent sediments and discovered clues about the origin and early evolution of life.
Earth Sciences
Jan 29, 2024
0
21
