News tagged with upper mantle
Parts of moon interior contains as much water as Earth's upper mantle
Parts of the moon's interior contains as much water as the upper mantle of the Earth - 100 times more of the precious liquid than measured before – research from Case Western Reserve University, Carnegie ...
Space & Earth / Space Exploration
May 26, 2011 |
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Scientists reveal Southern California's tectonic plates in detail
Rifting is one of the fundamental geological forces that have shaped our planet. Were it not for the stretching of continents and the oceans that filled those newly created basins, Earth would be a far different ...
Space & Earth / Earth Sciences
Oct 06, 2011 |
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Volcanoes deliver two flavors of water
Seawater circulation pumps hydrogen and boron into the oceanic plates that make up the seafloor, and some of this seawater remains trapped as the plates descend into the mantle at areas called subduction zones. ...
Space & Earth / Earth Sciences
Feb 26, 2012 |
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A Hidden Drip, Drip, Drip Beneath Earth's Surface
(PhysOrg.com) -- There are very few places in the world where dynamic activity taking place beneath Earth's surface goes undetected.
Space & Earth / Earth Sciences
May 26, 2009 |
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Alchemy in Tanzania? Gas Becomes Solid at Surface of Oldoinyo Lengai Volcano
(PhysOrg.com) -- Science has unearthed the secret to what might have been alchemy at Oldoinyo Lengai volcano in Tanzania.
Space & Earth / Earth Sciences
May 06, 2009 |
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Earthquakes: Water as a lubricant
Geophysicists from Potsdam (Germany) have established a mode of action that can explain the irregular distribution of strong earthquakes at the San Andreas Fault in California. As the science magazine Nature reports in its ...
Space & Earth / Earth Sciences
Nov 30, 2011 |
4.8 / 5 (4) |
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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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As the World Churns
(PhysOrg.com) -- "Terra firma." It's Latin for "solid Earth." Most of the time, at least from our perspective here on the ground, Earth seems to be just that: solid. Yet the Earth beneath our feet is actually ...
Space & Earth / Earth Sciences
Dec 28, 2009 |
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Uninhabited water: Where no microbe has gone before
(PhysOrg.com) -- NASA's 'follow the water' strategy to find life on other planets might need rethinking, according to Australian National University research describing the amount of water on Earth that doesn't ...
Space & Earth / Earth Sciences
May 13, 2010 |
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Upside-down answer for deep Earth mystery: Clues point to 'density trap' in early mantle
(PhysOrg.com) -- When Earth was young, it exhaled the atmosphere. During a period of intense volcanic activity, lava carried light elements from the planet's molten interior and released them into the sky. However, some light ...
Space & Earth / Earth Sciences
Feb 17, 2010 |
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What goes down, must come up: Geoscientists offer new model for degassing of Earth's mantle
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.
Space & Earth / Earth Sciences
May 27, 2009 |
4 / 5 (6) |
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The Atlantic 'resting' -- for now
Geophysicists have simulated when the continents around the Atlantic develop active continental margins with earthquakes and volcanoes. According to the model, ‘real’ fully active subduction zones ...
Space & Earth / Earth Sciences
May 23, 2011 |
4 / 5 (2) |
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Beam-line science to take us on a virtual journey to the center of the Earth
A new agreement between Macquarie University and the Australian Nuclear Science and Technology Organisation (ANSTO), will help us better understand everything from where earthquakes might occur to where gold ...
Space & Earth / Earth Sciences
Nov 22, 2011 |
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