News tagged with earth sciences
Related topics: earthquake , tectonic plates , carbon dioxide , volcano , proceedings of the national academy of sciences
When continents formed
A new way to calculate the age of the Earth's crust has been developed by researchers from the University of Bristol and the University of St Andrews.
Space & Earth / Earth Sciences
Jan 13, 2011 |
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Sulphur proves important in the formation of gold mines
Collaborating with an international research team, an economic geologist from The University of Western Ontario has discovered how gold-rich magma is produced, unveiling an all-important step in the formation of gold mines.
Space & Earth / Earth Sciences
Jan 06, 2011 |
4.9 / 5 (7) |
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What triggers mass extinctions? Study shows how invasive species stop new life
An influx of invasive species can stop the dominant natural process of new species formation and trigger mass extinction events, according to research results published today in the journal PLoS ONE.
Dec 30, 2010 |
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First measurement of magnetic field in Earth's core
(PhysOrg.com) -- A University of California, Berkeley, geophysicist has made the first-ever measurement of the strength of the magnetic field inside Earth's core, 1,800 miles underground.
Space & Earth / Earth Sciences
Dec 16, 2010 |
4.9 / 5 (19) |
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Meteorite just one piece of an unknown celestial body
(PhysOrg.com) -- Scientists from all over the world are taking a second, more expansive, look at the car-sized asteroid that exploded over Sudan's Nubian Desert in 2008. Initial research was focused on classifying ...
Space & Earth / Space Exploration
Dec 15, 2010 |
4.7 / 5 (16) |
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Ancient forest emerges mummified from the Arctic
The northernmost mummified forest ever found in Canada is revealing how plants struggled to endure a long-ago global cooling.
Space & Earth / Earth Sciences
Dec 15, 2010 |
4.3 / 5 (22) |
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Tackling the erosion of a special river island
Locke Island is a small island in a bend of the Columbia River in eastern Washington that plays a special role in the culture of the local Indian tribes. Since the 1970s, however, it has been eroding away ...
Space & Earth / Earth Sciences
Dec 14, 2010 |
5 / 5 (1) |
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Hot stuff: Magma at shallow depth under Hawaii
Ohio State University researchers have found a new way to gauge the depth of the magma chamber that forms the Hawaiian Island volcanic chain, and determined that the magma lies much closer to the surface than previously thought.
Space & Earth / Earth Sciences
Dec 13, 2010 |
4.6 / 5 (5) |
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LU researcher: NASA's ET hype does disservice to science
NASA researchers recently unveiled a major discovery -- the first identified microorganism on Earth able to thrive using toxic arsenic rather than phosphorus, which forms the DNA-backbone of all other living things. But now, s ...
Dec 13, 2010 |
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Study suggests that trace amounts of water created oceans on Earth, other terrestrial planets
One question that has baffled planetary scientists is how oceans formed on the surface of terrestrial planets like Earth — rocky planets made of silicate and metals. It’s believed that in additionzq ...
Space & Earth / Earth Sciences
Dec 08, 2010 |
5 / 5 (8) |
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Extreme global warming in the ancient past
Variations in atmosphere carbon dioxide around 40 million years ago were tightly coupled to changes in global temperature, according to new findings published in the journal Science. The study was led by sci ...
Space & Earth / Earth Sciences
Nov 10, 2010 |
4.2 / 5 (9) |
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Discovery could reveal secrets of ancient Martian and terrestrial atmospheres
(PhysOrg.com) -- Chemists at UC San Diego have uncovered a new chemical reaction on tiny particulates in the atmosphere that could allow scientists to gain a glimpse from ancient rocks of what the atmospheres ...
Space & Earth / Earth Sciences
Nov 08, 2010 |
4.2 / 5 (5) |
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Mathematical model may result in better environment measures for the Baltic
Eutrophication of the Baltic Sea has clear negative effects, such as dead bottoms and massive blooms of cyanobacteria. But high plankton production can also have positive effects on acidification. Researchers ...
Space & Earth / Earth Sciences
Oct 22, 2010 |
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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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Younger, hotter Earth still not understood
Plate tectonics may not have operated on a younger and hotter Earth according to new research from the University of Bristol carried out on preserved remnants of ancient continental crust in the Hudson Bay ...
Space & Earth / Earth Sciences
Sep 13, 2010 |
5 / 5 (6) |
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