Category: Earth

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Earth’s tectonic plates are weaker than once thought

“We are interested in large-scale geophysical processes, like how plate tectonics initiates and how plates move underneath one another in subduction zones,” said David Goldsby, an associate professor at the University of Pennsylvania. “To...

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Volcanic crystals give a new view of magma

Volcanologists are gaining a new understanding of what’s going on inside the magma reservoir that lies below an active volcano and they’re finding a colder, more solid place than previously thought, according to new...

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Why rocks flow slowly in Earth’s middle mantle

For decades, researchers have studied the interior of the Earth using seismic waves from earthquakes. Now a recent study, led by Arizona State University’s School of Earth and Space Exploration Associate Professor Dan Shim,...

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Volcanoes: Referees for the life on Earth

At the Triassic-Jurassic boundary, 200 million years ago, some 60% of species living on Earth disappeared. Scientists suspected that magmatic activity and the release of CO2 were responsible for this environmental disaster. To corroborate...