This book describes the interrelationship between the spectacular geology of an area of East Africa that includes a branch of the rift valley, as well as giant
Millions of years ago, the North American continent was dragged over the world's largest continental hotspot, a huge column of hot and molten rock rising from t
Many of our national parks, monuments, and seashores were established because of their inspiring geological features--from the geysers of Yellowstone to the gra
Explore the fascinating science behind the national parks in this charming illustrated guide. The national parks are some of the most beloved, visited, and biod