University of Utah geophysicists made the first large-scale picture of the electrical conductivity of the gigantic underground plume of hot and partly molten rock that feeds the Yellowstone supervolcano. The image suggests ...
Earth Sciences
Apr 11, 2011
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Geologists drilling an exploratory geothermal well in 2009 in the Krafla volcano in Iceland encountered a problem they were simply unprepared for: magma (molten rock or lava underground) which flowed unexpectedly into the ...
Earth Sciences
Feb 16, 2011
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It's easy to be a pessimist in a world full of calamities. But for those worried about the continuing availability of natural resources, data from the ocean makes a good case for optimism, says economic geologist Lawrence ...
Earth Sciences
Oct 7, 2010
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The heat in the atmosphere of Venus, induced from a strong greenhouse warming, might actually have a cooling effect on the planet's interior. This counter-intuitive theory is based on calculations from a new model presented ...
Space Exploration
Sep 21, 2010
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0
(PhysOrg.com) -- Shortly after the Moon formed, an asteroid smacked into its southern hemisphere and gouged out a truly enormous crater, the South Pole-Aitken basin, almost 1,500 miles across and more than five miles deep.
Space Exploration
Mar 4, 2010
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Magma from a Chilean volcano shot through Earth's crust at around a metre (3.25 feet) per second, a speed highlighting the perils from so-called rhyolitic volcanoes, scientists reported on Wednesday.
Earth Sciences
Oct 7, 2009
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0
(PhysOrg.com) -- Scientists drilling a borehole deep into Iceland’s rocky crust to explore new methods of using geothermal energy hit a major roadblock on Thursday: Their drill ran into molten rock at a depth of 6,900 feet.
Earth Sciences
Jun 29, 2009
24
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(PhysOrg.com) -- Nyiragongo, an active African volcano, possesses lava unlike any other in the world, which may point toward its source being a new mantle plume says a University of Rochester geochemist. The lava composition ...
Earth Sciences
Mar 13, 2009
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0
The moon's pock-marked surface tells the story of its history. It's marked by over 9,000 impact craters, according to the International Astronomical Union (IAU.) The largest ones are called impact basins, not craters. Now, ...
Planetary Sciences
Dec 14, 2022
1
54
In a dark auditorium in Reykjavik, bubbling orange lava flows down a slide to within inches of awe-struck visitors.
Environment
Dec 9, 2022
0
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