Volcanoes fed by 'mush' reservoirs rather than molten magma chambers
Volcanoes are not fed by molten magma formed in large chambers finds a new study, overturning classic ideas about volcanic eruptions.
Volcanoes are not fed by molten magma formed in large chambers finds a new study, overturning classic ideas about volcanic eruptions.
Earth Sciences
Dec 4, 2018
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Where did Earth's global ocean come from? A team of Arizona State University geoscientists led by Peter Buseck, Regents' Professor in ASU's School of Earth and Space Exploration (SESE) and School of Molecular Sciences, has ...
Earth Sciences
Nov 7, 2018
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847
The Laguna del Maule volcanic complex in Chile is a large, complicated and explosive landscape that, oddly, lacks the classic cone seen on many volcanoes, including Fuego, the Guatemalan volcano that killed hundreds in a ...
Earth Sciences
Jun 27, 2018
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The Kilauea volcano sent more lava into Hawaii communities Friday, a day after forcing nearly 1,500 people to flee from their mountainside homes, and authorities detected high levels of sulfur gas that could threaten the ...
Environment
May 4, 2018
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Fragments of a meteorite that fell to Earth about a decade ago provide compelling evidence of a lost planet that once roamed our solar system, according to a study published Tuesday.
Space Exploration
Apr 17, 2018
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The Earth's Moon had a rough start in life. Formed from a chunk of the Earth that was lopped off during a planetary collision, it spent its early years covered by a roiling global ocean of molten magma before cooling and ...
Earth Sciences
Nov 21, 2017
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Long Valley, California, has long defined the "super-eruption." About 765,000 years ago, a pool of molten rock exploded into the sky. Within one nightmarish week, 760 cubic kilometers of lava and ash spewed out in the kind ...
Earth Sciences
Nov 6, 2017
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New study shows the importance of large reservoirs in creating Earth's most powerful volcanic eruptions and explains why they are so rare
Earth Sciences
Jun 2, 2017
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The world's most valuable copper deposits, known as porphyry deposits, originate from cooling magma. But how can we predict the size of these deposits? What factors govern the amount of copper present? Researchers at the ...
Earth Sciences
Mar 15, 2017
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In contrast to the conventional view, new findings demonstrate that frictional heat in rising magma can drive outgassing of water vapor, which contributes to the dehydration of molten magma – and reduces the pressure in ...
Earth Sciences
Dec 28, 2015
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