News tagged with deep magma

Deep magma matters in volcanic eruption cycle

Space & Earth / Earth Sciences

Oct 09, 2008 | 4.5 / 5 (11) | 0

Although the Soufriere Hills volcano on Montserrat exhibits cycles of eruption and quiet, an international team of researchers found that magma is continuously supplied from deep in the crust but that a valve ...

Scientists' Drill Hits Magma: Only Third Time on Record

Space & Earth / Earth Sciences

Jun 29, 2009 | 4.7 / 5 (23) | 24

(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 ...

A glimpse at the Earth's crust deep below the Atlantic

Space & Earth / Earth Sciences

Nov 12, 2009 | 5 / 5 (3) | 0

Long-term variations in volcanism help explain the birth, evolution and death of striking geological features called oceanic core complexes on the ocean floor, says geologist Dr Bram Murton of the National ...

Coal-mining hazard resembles explosive volcanic eruption, study shows

Space & Earth / Earth Sciences

Oct 01, 2009 | 4.2 / 5 (5) | 0

Worldwide, thousands of workers die every year from mining accidents, and instantaneous coal outbursts in underground mines are among the major killers. But although scientists have been investigating coal outbursts for more ...

Icelandic volcanoes help researchers understand potential effects of eruptions

Space & Earth / Earth Sciences

Jul 14, 2008 | 4.2 / 5 (12) | 1

(PhysOrg.com) -- For the first time, researchers have taken a detailed look at what lies beneath all of Iceland's volcanoes – and found a world far more complex than they ever imagined.

'Magma P.I.' unearths clues to how crust was sculpted

Space & Earth / Earth Sciences

Dec 03, 2007 | 4.3 / 5 (11) | 0

About a decade ago, Johns Hopkins University geologist Bruce Marsh challenged the century-old concept that the Earth’s outer layer formed when crystal-free molten rock called magma oozed to the surface from giant subterranean ...

Mars breakthrough: Scientists uncover red planet's hot and steamy secrets

Space & Earth / Space Exploration

Jul 21, 2009 | 4.5 / 5 (20) | 3

(PhysOrg.com) -- An analysis of Martian meteorites has led scientists to believe that Mars was molten for up to 100 million years after it formed, thwarting the evolution of early life on the planet.

CAT scan reveals inner workings of volcano island

Space & Earth / Earth Sciences

Dec 19, 2008 | 5 / 5 (1) | 0

On the ground and in the water, an international team of researchers has been collecting imaging data on the Soufriere Hills Volcano in Montserrat to understand the internal structure of the volcano and how ...

Tracking a hot spot

Space & Earth / Earth Sciences

May 17, 2007 | 3.3 / 5 (4) | 0

Using a state-of-the-art satellite imagery technique, researchers are able to more precisely predict volcanic activity, bringing them steps closer to understanding where an eruption may occur. A new research study, titled ...

Volcanic plumbing dictates development of deep-sea hydrothermal vents

Space & Earth / Earth Sciences

Mar 21, 2007 | 4 / 5 (7) | 0

After years of results that repeatedly dogged him, University of Oregon geologist Douglas R. Toomey decided to follow the trail of data surfacing from the Pacific Ocean. In doing so, he and his collaborators ...

X-rays use diamonds as a window to the center of the Earth

Space & Earth / Earth Sciences

Aug 12, 2008 | 4 / 5 (15) | 1

Diamonds from Brazil have provided the answers to a question that Earth scientists have been trying to understand for many years: how is oceanic crust that has been subducted deep into the Earth recycled back into volcanic ...

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