News tagged with mantle

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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 ...

May 23, 2011
4 / 5 (2) 2

Earth's inner core is melting... and freezing

The inner core of the Earth is simultaneously melting and freezing due to circulation of heat in the overlying rocky mantle, according to new research from the University of Leeds, UC San Diego and the Indian ...

May 18, 2011
4.6 / 5 (14) 10 | with audio podcast

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.

Jan 13, 2011
3.2 / 5 (5) 2 | with audio podcast

A speed gun for the Earth's insides

(PhysOrg.com) -- Researchers at the University of Bristol reveal today in the journal Nature that they have developed a seismological 'speed gun' for the inside of the Earth. Using this technique they will b ...

Oct 27, 2010
4.2 / 5 (9) 0 | with audio podcast

Mount Etna's mystery explained?

Internationally renowned geophysicist Dr Wouter Schellart has developed the first dynamic model to explain the mystery of the largest and most fascinating volcano in Europe, Mount Etna.

Oct 07, 2010
5 / 5 (11) 3 | with audio podcast

Rare melt key to 'Ring of Fire'

(PhysOrg.com) -- Oxford University scientists have discovered the explanation for why the world?s explosive volcanoes are confined to bands only a few tens of kilometres wide, such as those along the Pacific ...

Oct 07, 2010
4.2 / 5 (11) 0 | with audio podcast

When the Earth mantle finds its core

The Earth's mantle and its core mix at a distance of 2900 km under our feet in a mysterious zone. A team of geophysicists has just verified that the partial fusion of the mantle is possible in this area when ...

Sep 17, 2010
4.4 / 5 (5) 0

New view of tectonic plates

(PhysOrg.com) -- Computational scientists and geophysicists at the University of Texas at Austin and the California Institute of Technology have developed new computer algorithms that for the first time allow ...

Aug 26, 2010
4 / 5 (6) 0

Arctic rocks offer new glimpse of primitive Earth

Scientists have discovered a new window into the Earth's violent past. Geochemical evidence from volcanic rocks collected on Baffin Island in the Canadian Arctic suggests that beneath it lies a region of the Earth's mantle ...

Aug 11, 2010
3.4 / 5 (26) 6 | with audio podcast