Andes Mountains Formed - The andes have been a mountain chain for much longer than previously thought, new research from the. Web according to research, the formation of the andes mountains occurred over a much longer period of time than. Web the andes were formed by tectonic activity whereby earth is uplifted as one plate (oceanic crust) subducts under another.
The andes have been a mountain chain for much longer than previously thought, new research from the. Web according to research, the formation of the andes mountains occurred over a much longer period of time than. Web the andes were formed by tectonic activity whereby earth is uplifted as one plate (oceanic crust) subducts under another.