Reservoirs of silica-rich magma – the kind that causes the most explosive volcanic eruptions – can persist in Earth's upper crust for hundreds of thousands of years without triggering an eruption, according to new University ...
Earth Sciences
Aug 19, 2013
0
0
Early in the Moon's history an ocean of molten rock covered its entire surface. As that lunar magma ocean cooled over millions of years, it differentiated to form the Moon's crust and mantle. But according to a new analysis ...
Space Exploration
Mar 11, 2013
0
0
(Phys.org)—Rocks dating back 3.4 billion years from south-west Greenland's Isua mountain range have yielded valuable information about the structure of the Earth during its earliest stages of development. In these rocks, ...
Earth Sciences
Nov 9, 2012
5
0
Enormous volcanic eruptions with potential to end civilizations may have surprisingly short fuses, researchers have discovered.
Earth Sciences
May 30, 2012
0
0
Two new studies into the "plumbing systems" that lie under volcanoes could bring scientists closer to predicting large eruptions.
Earth Sciences
Mar 30, 2012
1
0
Around 1630 BC, a super-volcano blew apart the Aegean island of Santorini, an event so violent that some theorists say it nurtured the legend of Atlantis.
Earth Sciences
Feb 1, 2012
2
0
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
7
0
The Earth is constantly manufacturing new crust, spewing molten magma up along undersea ridges at the boundaries of tectonic plates. The process is critical to the planet's metabolism, including the cycle of underwater life ...
Earth Sciences
Nov 15, 2010
3
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
0
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
0
15
