News tagged with basalt
Reversals of Earth's Magnetic Field Explained by Small Core Fluctuations
Apr 23, 2009 |
4.7 / 5 (42) |
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(PhysOrg.com) -- Based on studies of old volcanic basalt, scientists know that the Earth’s magnetic field reverses at irregular intervals, ranging from tens of thousands to millions of years. Volcanic basalt ...
Supercritical CO2 boosts super optimism in sequestering greenhouse gas
Space & Earth / Earth Sciences
Nov 17, 2008 |
3.9 / 5 (25) |
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(PhysOrg.com) -- Scientists appear to have the rock-solid evidence that suggests carbon dioxide can be safely and permanently sequestered in deep, underground basalt rock formations, without risk of it eventually ...
Electrochemical technique follows the motion of individual microparticles in space and time
Mar 13, 2009 |
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(PhysOrg.com) -- Many bacteria are able to 'swim' through liquids by means of a flagellum. When doing this, some bacteria follow attractants, some flee from harmful substances, and others align themselves using light, gravity, ...
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French find puts humans in Europe 200,000 years earlier
Other Sciences / Archaeology & Fossils
Dec 15, 2009 |
4.2 / 5 (17) |
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Experts on prehistoric man are rethinking their dates after a find in a southern French valley suggested our ancestors may have reached Europe 1.57 million years ago: 200,000 years earlier than we thought.
Undersea volcanic rocks offer vast repository for greenhouse gas, says study
Space & Earth / Earth Sciences
Jul 14, 2008 |
3.5 / 5 (4) |
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A group of scientists has used deep ocean-floor drilling and experiments to show that volcanic rocks off the West Coast and elsewhere might be used to securely imprison huge amounts of globe-warming carbon ...
New map hints at Venus's wet, volcanic past (w/ Video)
Space & Earth / Space Exploration
Jul 14, 2009 |
4.1 / 5 (8) |
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(PhysOrg.com) -- Venus Express has charted the first map of Venus's southern hemisphere at infrared wavelengths. The new map hints that our neighbouring world may once have been more Earth-like, with both, ...
What goes down, must come up: Geoscientists offer new model for degassing of Earth's mantle
Space & Earth / Earth Sciences
May 27, 2009 |
3.8 / 5 (5) |
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A new analysis of the processes that constantly stir the Earth's deep mantle is helping to explain how the mantle holds onto a portion of ancient noble gases that were trapped during the Earth's formation.
The minerals on Mars influence the measuring of its temperature
Space & Earth / Space Exploration
Jul 14, 2009 |
3 / 5 (4) |
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A team of researchers from the CSIC-INTA Astrobiology Centre in Madrid has confirmed that the type of mineralogical composition on the surface of Mars influences the measuring of its temperature. The study ...
SMART-1 maps Humorum edge - where Highlands and Mare mix
Apr 26, 2006 |
4 / 5 (7) |
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This sequence of images, taken by the advanced Moon Imaging Experiment (AMIE) on board ESA's SMART-1 spacecraft, shows on area on the near side of the Moon, on the edge of the Mare Humorum basin.
It's a grind to make Mars red
Space & Earth / Space Exploration
Sep 18, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- The widespread idea that Mars is red due to rocks being rusted by the water that once flooded the red planet may be wrong. Recent laboratory studies show that the red dust may be formed by ...
USC awarded $3.9M for lab under the sea
Space & Earth / Earth Sciences
Feb 22, 2008 |
not rated yet |
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Think of bacteria eating rock. Now think of bacteria eating rock below the ocean floor. How about experimenting on bacteria in that rock 15,000 feet underwater?
New ancient fungus finding suggests world's forests were wiped out in global catastrophe
Space & Earth / Earth Sciences
Oct 01, 2009 |
4.5 / 5 (25) |
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(PhysOrg.com) -- Scientists beleive extinct fungus species capitalised on a world-wide disaster and thrived on early Earth.
Magma Discovered in Situ for First Time
Space & Earth / Earth Sciences
Dec 16, 2008 |
4.8 / 5 (17) |
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(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 ...
List of search results for basalt
