The colorful swirls and stripes that characterize China's Rainbow Mountains would have remained hidden without the epic ...

In regions of convergence, one plate can sink under another in a subduction zone, or two colliding plates can form a mountain belt. At divergent boundaries, plates move away from each other and ...

A subduction zone, composed of the deep Aleutian Trench ... and separated from it by several hundred miles, lie the Wrangell Mountains. This currently inactive volcanic area, stretching to the ...