News tagged with magma

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Textbook theory behind volcanoes may be wrong

In the typical textbook picture, volcanoes, such as those that are forming the Hawaiian islands, erupt when magma gushes out as narrow jets from deep inside Earth. But that picture is wrong, according to ...

Sep 08, 2014
4.9 / 5 (59) 14

Mantle plumes crack continents

Using a simulation with an unprecedentedly high resolution, Earth scientists from University of Paris VI and ETH Zurich have shown that magma columns in the Earth's interior can cause continental breakup—but ...

Sep 04, 2014
4.5 / 5 (12) 1

How much magma is hiding beneath our feet?

Molten rock (or magma) has a strong influence on our planet and its inhabitants, causing destructive volcanic eruptions and generating some of the giant mineral deposits. Our understanding of these phenomena ...

Jul 23, 2014
4.9 / 5 (8) 0

New view of Rainier's volcanic plumbing

By measuring how fast Earth conducts electricity and seismic waves, a University of Utah researcher and colleagues made a detailed picture of Mount Rainier's deep volcanic plumbing and partly molten rock ...

Jul 17, 2014
5 / 5 (13) 0

Off-rift volcanoes explained

Volcanoes often develop outside the rift zone in an apparently unexpected location offset by tens of kilometers has remained unanswered. An international team of scientists has shown that the pattern of stresses ...

Mar 23, 2014
4.5 / 5 (10) 2