News tagged with upper mantle

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

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

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 ...

Dec 28, 2009 4.4 / 5 (19) 29
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