Articles tagged with Crustal Composition
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Tulane researchers discovered that an area of the African tectonic plate, previously thought to be weak, is now resisting deformation due to dehydration 80 million years ago. This process strengthened the plate and made it more resistant to future breakup.
Researchers at Tohoku University found that kink bands in rock layers exhibit strengthening rather than weakening under compressive forces, contradicting previous assumptions. The rank-1 connection ensures smooth continuity between deformed regions, leading to increased material strength.
Researchers found that Earth's first crust, formed 4.5 billion years ago, likely had chemical features similar to modern continental crust, rewriting the geological timeline. This suggests the distinctive chemical signature of continents was established at the beginning of Earth's history.
Researchers confirm multi-stage lithospheric dripping as cause of basin subsidence in Central Anatolian Plateau. Laboratory experiments and satellite data reveal intricate connection between plateau uplift and basin formation events.
A new imaging technique allows scientists to visualize the Earth's rocky interior using GPS data, revealing details about the planet's crust and mantle. This method has the potential to improve earthquake predictions by combining it with other techniques.
Researchers at Imperial College London and the University of Bristol studied 60 explosive volcanic eruptions worldwide to understand the frequency, composition, and size of eruptions. They found that magma buoyancy, storage time in shallower chambers, and reservoir size are key factors driving eruptions.
A study from Smithsonian researchers deepens understanding of Earth's crust by testing and eliminating the garnet hypothesis about why continental crust is lower in iron and more oxidized. The findings suggest that intense heat and pressure cannot produce the necessary conditions for garnet formation, contradicting a popular explanation.
Scientists have detected seismic surface waves on Mars for the first time, providing new insights into the planet's crust and structure. The study estimates the average properties of the Martian crust between 3 to 18.6 miles below the surface, revealing faster seismic velocities that suggest compositional differences or reduced porosity.
Scientists have proposed a new model for the Moon's crust formation, suggesting that a 'slushy' magma ocean played a key role. The research suggests that crystals remained suspended in liquid magma over hundreds of millions of years, eventually forming the lunar crust.