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.

Scientists Install Seismic Sensors in Galapagos to Generate First 3-D Images of a Hotspot Magma Plumbing System

Space & Earth / Earth Sciences

Sep 09, 2009 | not rated yet | 0

(PhysOrg.com) -- A team of geologists led by Cindy Ebinger of the University of Rochester have deployed 16 seismic sensors on one of the Galapagos Islands to study the processes of ocean island formation -- particularly those ...

'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 ...

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 ...

Geologists Discover Magma and Carbon Dioxide Combine to Make 'Soda-Pop' Eruption

Space & Earth / Earth Sciences

Jul 10, 2008 | 3.9 / 5 (9) | 0

This discovery overturns a longtime belief by geologists, who thought that carbon dioxide was incapable of dissolving in magma, said Calvin Barnes, professor of geosciences and lead investigator.

Magma Discovered in Situ for First Time

Space & Earth / Earth Sciences

Dec 16, 2008 | 4.8 / 5 (17) | 0

(PhysOrg.com) -- A crew drilling on the Big Island of Hawaii has discovered magma, the molten rock material — never before found in its natural habitat underground — that is the central ingredient in the evolution of planets ...

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 ...

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 ...

Researchers uncover 'stirring' secrets of deadly supervolcanoes

Space & Earth / Earth Sciences

May 29, 2008 | 4 / 5 (21) | 1

Researchers from The University of British Columbia and McGill University have simulated in the lab the process that can turn ordinary volcanic eruptions into so-called “supervolcanoes.”

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 ...

New trigger found for volcanic eruptions

Space & Earth / Earth Sciences

Sep 06, 2006 | 4.2 / 5 (22) | 0

New insights into what might trigger the eruption of Mount St Helens and other potentially explosive volcanoes are reported today in Nature by scientists working at the University of Bristol, UK.

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.

Crystals improve understanding of volcanic eruption triggers

Space & Earth / Earth Sciences

Aug 28, 2008 | 4 / 5 (1) | 0

Scientists have exploited crystals from lavas to unravel the records of volcanic eruptions. The team, from Durham University and the University of Leeds, studied crystal formation from a volcano, in Santorini, ...

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 ...

Carbon study could help reduce harmful emissions

Space & Earth / Earth Sciences

Feb 14, 2008 | 1.7 / 5 (3) | 0

Earth scientists at The University of Manchester have found that carbon dioxide has been naturally stored for more than a million years in several gas fields in the Colorado Plateau and Rocky Mountains of the United States.