News tagged with oceanic crust
Phenomenon of plate tectonics explained
Transform faults subdivide the mid-ocean ridge into segments. Up until now, it was thought that these faults were ruptures that formed in less stable crust areas. Taras Gerya has recorded a model of the dynamics ...
Space & Earth / Earth Sciences
Aug 31, 2010 |
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New findings explain the mystery behind the development of the Banda arc
(PhysOrg.com) -- The Banda arc - a gigantic 1,000km long, 180-degree curve in eastern Indonesia - has puzzled geologists for many years, with much debate and controversy surrounding its complex origin and ...
Space & Earth / Earth Sciences
Jul 26, 2010 |
4.6 / 5 (9) |
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New research into the deep ocean floor yields promising results for microbiologists
Research by a small group of microbiologists is revealing how marine microbes live in a mysterious area of the Earth: the realm just beneath the deep ocean floor. The ocean crust may be the largest biological reservoir on ...
Jun 14, 2010 |
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Ash Crisis May Not Be Over, Says Leading Volcanologist
(PhysOrg.com) -- Air travel may be resuming in some European countries, but Michael F. Sheridan, PhD, a leading volcanologist and founder of the University at Buffalo's Center for Geohazards Studies, says that the future ...
Space & Earth / Earth Sciences
Apr 21, 2010 |
4 / 5 (6) |
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Carbonate veins reveal chemistry of ancient seawater
The chemical composition of our oceans is not constant but has varied significantly over geological time. In a study published this week in Science, researchers describe a novel method for reconstructing past o ...
Space & Earth / Earth Sciences
Feb 05, 2010 |
3.7 / 5 (3) |
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Water Planets
Of the roughly 420 extra-solar planets now known, about a dozen are in the newly named category of "super-earths," planets whose masses are in between of two and about fifteen earth-masses.
Jan 22, 2010 |
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Oceanic crust formation is dynamic after all
Imagine the Earth's crust as the planet's skin: Some areas are old and wrinkled while others have a fresher, more youthful sheen, as if they had been regularly lathered with lotion.
Space & Earth / Earth Sciences
Nov 25, 2009 |
4.8 / 5 (9) |
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Could salt crusts be key ingredient in cooking up prebiotic molecules?
German scientists investigating the complex chemical mixture thought to be present in the early Earth’s oceans have found that amino acids can be 'cooked' into many other important chemical building blocks ...
Space & Earth / Earth Sciences
Sep 18, 2009 |
4.8 / 5 (4) |
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Researchers find high numbers of heat-loving bacteria in cold Arctic Ocean
A team of scientists led by U of C grad Casey Hubert has detected high numbers of heat loving, or thermophilic, bacteria in subzero sediments in the Arctic Ocean off the Norwegian island of Spitsbergen. The ...
Sep 17, 2009 |
4.5 / 5 (4) |
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Fingerprinting slow earthquakes (w/Podcast)
(PhysOrg.com) -- The most powerful earthquakes happen at the junction of two converging tectonic plates, where one plate is sliding (or subducting) beneath the other. Now a team of researchers, led by Teh-Ru ...
Space & Earth / Earth Sciences
Apr 23, 2009 |
4 / 5 (4) |
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Solomon Islands earthquake sheds light on enhanced tsunami risk
The 2007 Solomon Island earthquake may point to previously unknown increased earthquake and tsunami risks because of the unusual tectonic plate geography and the sudden change in direction of the earthquake, ...
Space & Earth / Earth Sciences
Apr 09, 2009 |
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