When did the Andes mountains form?

The Andes have been a mountain chain for much longer than previously thought, new research from the University of Bristol, UK suggests.

Meeting face-to-face with El Capitan

Granitic rocks make up much of Earth's continental crust and many of the planet's most iconic landscapes. However, granite's formation is poorly understood because it happens tens of kilometers below the surface. In this ...

Map shows content and origins of the nation's geologic basement

A map showing the many different pieces of Earth's crust that comprise the nation's geologic basement is now available from the U.S. Geological Survey. This is the first map to portray these pieces, from the most ancient ...

Scientists discover elusive secret of how continents formed

An international research team, led by a Virginia Tech geoscientist, has revealed information about how continents were generated on Earth more than 2.5 billion years ago—and how those processes have continued within the ...

Questions of continental crust

Geological processes shape the planet Earth and are in many ways essential to our planet's habitability for life. One important geological process is plate tectonics – the drifting, colliding and general movement of continental ...

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