New research shows that the Altiplano plateau in the central Andes -- and most likely the entire mountain range -- was formed through a series of rapid growth spurts. "This study provides increasing ...

Geologists demonstrate the reconstruction of the subduction of the Nazca Ocean plate, the remnants of which are currently found down to 1,500 kilometers, or about 900 miles, below the Earth's surface.

Geophysicists in Australia think they may have solved the long-standing enigma of how the Andes mountain range was formed. Using computer simulations that model the fluid dynamics and mechanics of ...

The geologic faults responsible for the rise of the eastern Andes mountains in Colombia became active 25 million years ago—18 million years before the previously accepted start date for the Andes' ...

Far from a process of smooth, inevitable ascendance, the formation of the iconic Andes Mountains was downright explosive. As the peaks rose skyward along the western coast of South America dozens of ...

The Andes Mountains are the longest continuous mountain range in the world, stretching about 7,000 kilometers, or 4,300 miles, along the western coast of South America. The Andean margin, where two ...