earthstory: Hanging over Tuktu Bluff Much of Alaska today is the result of subduction of the Pacific
earthstory: Hanging over Tuktu Bluff Much of Alaska today is the result of subduction of the Pacific and Farallon plates beneath the edges of the North American continent. In the process, marine rocks deposited over millions of years have been thrust up to the surface and exposed to erosion. Keep reading -- source link