News tagged with mantle plume
New force driving Earth's tectonic plates discovered
Bringing fresh insight into long-standing debates about how powerful geological forces shape the planet, from earthquake ruptures to mountain formations, scientists at Scripps Institution of Oceanography at ...
Space & Earth / Earth Sciences
Jul 06, 2011 |
4.8 / 5 (17) |
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New explanation for Hawaiian hot spot
(PhysOrg.com) -- Scientists in the US have suggested that volcanic activity in Hawaii could be fed by a giant hot rock pool 1,000 kilometers west of the islands and in the Earth’s mantle, rather than ...
Space & Earth / Earth Sciences
May 27, 2011 |
4.4 / 5 (11) |
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Lava formations in eastern Oregon linked to rip in giant slab of Earth
Like a stream of air shooting out of an airplane's broken window to relieve cabin pressure, scientists at Scripps Institution of Oceanography at UC San Diego say lava formations in eastern Oregon are the result ...
Space & Earth / Earth Sciences
Feb 15, 2012 |
4 / 5 (3) |
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Earth's largest environmental catastrophe 250 million years ago studied
The eruption of giant masses of magma in Siberia 250 million years ago led to the Permo-Triassic mass extinction when more than 90 % of all species became extinct. An international team including geodynamic ...
Space & Earth / Earth Sciences
Sep 14, 2011 |
4.6 / 5 (12) |
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Exploring water in the deep Earth
(PhysOrg.com) -- Research published today in Nature Geoscience provides new insight into the water cycle of the deep Earth, volcanic activity in the Pacific and the potential catastrophic effects when these ...
Space & Earth / Earth Sciences
Nov 21, 2011 |
4.5 / 5 (2) |
0
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Deep recycling in the Earth faster than thought
The recycling of the Earth's crust in volcanoes happens much faster than scientists have previously assumed. Rock of the oceanic crust, which sinks deep into the earth due to the movement of tectonic plates, ...
Space & Earth / Earth Sciences
Aug 10, 2011 |
4.5 / 5 (4) |
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Lava fingerprinting reveals differences between Hawaii's twin volcanoes
Hawaii's main volcano chains -- the Loa and Kea trends -- have distinct sources of magma and unique plumbing systems connecting them to the Earth's deep mantle, according to UBC research published this week ...
Space & Earth / Earth Sciences
Nov 30, 2011 |
3.5 / 5 (4) |
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Hot topic in earth sciences: The mantle plume model and Siberian 'traps'
(PhysOrg.com) -- A Michigan Technological University researcher may have solved a long-standing mystery in earth science studies. In Siberia there exist stepped, large-scale basaltic formations known as “traps.” ...
Space & Earth / Earth Sciences
Sep 22, 2010 |
4.5 / 5 (17) |
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Hawaiian hotspot variability attributed to small-scale convection
(PhysOrg.com) -- Small scale convection at the base of the Pacific plate has been simulated in a model of mantle plume dynamics, enabling reasearchers to explain the complex set of observations at the Hawaiian ...
Space & Earth / Earth Sciences
Jun 29, 2011 |
4 / 5 (2) |
0
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Scientists' work improves odds of finding diamonds
While prospectors and geologists have been successful in finding diamonds through diligent searching, one University of Houston professor and his team's work could help improve the odds by focusing future searches in particular ...
Space & Earth / Earth Sciences
Jul 14, 2010 |
4.3 / 5 (6) |
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Fledgling mantle plume may be cause of African volcano's unique lava
(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 ...
Space & Earth / Earth Sciences
Mar 13, 2009 |
5 / 5 (11) |
0
New Technology Allows Geophysicist To Test Theory About Formation of Hawaii (w/ Podcast)
(PhysOrg.com) -- If you've ever been to Hawaii, you probably spent your time enjoying the scenery of the beautiful islands, rather than wondering how they got to be there in the first place. But that's just what scientists ...
Space & Earth / Earth Sciences
Dec 11, 2009 |
4.3 / 5 (4) |
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