Geology is not something that happened a long time ago and is currently over. Many of the same processes that created a site's landscape and its rocks still influence the site today. For example, the rivers that carry disintegrated sediments from the Appalachian Mountains store the sand that forms the beautiful coastlines and various beaches along the coast. Landscapes, for example the Grand Canyon, are still today formed by erosion, for example the Colorado River, flash floods and debris flows within the canyons, and this suddenness causes enormous falls of stones. These methods continue today, administering the magnificence of the places we cherish. Understanding can spark a sense of wonder at ongoing geological processes and how human activities can disrupt their balance and seriously affect the scene. Equally significant is the association between geology and economic and political power, not always understood or recognized. The dispersion of mineral and force assets is uneven, and no nation is independent for all of its mineral and force requirements. All around the story...