News tagged with earths crust

How ancient impacts made mining practical

About 1.85 billion years ago, in what would come to be known as Sudbury Canada, a 10 kilometer wide asteroid struck with such energy that it created an impact crater 250 kilometers wide. Today the chief industry of Sudbury ...

Sep 23, 2014
4.4 / 5 (10) 0

Continents set the pace

The origin and stimulus behind plate tectonics has been simulated with the aid of high-performance computers. A new study sheds light on the role continents play in the formation of oceanic crust.

Jan 28, 2014
4 / 5 (8) 0

Ancient Earth crust stored in deep mantle

Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust. But decisive evidence for this phenomenon has proven elusive. New research from ...

Apr 24, 2013
4.7 / 5 (3) 0 | with audio podcast