Soil, Stones, & Rocks

A chronological animation of seismic/tectonic activity that shaped The Grand Teton National Park.

A somewhat technical overview of the multiple rock types that make up Mount Moran. The narrator discusses the unique geology at length while offering theories as to how the mountain was formed.

A brief overview of the geological forces that helped shape the distinctive landscape of the Grand Teton National Park.

A brief outline of the past behavior of the Teton Fault with additional considerations concerning future earthquakes.

Yosemite National Park: Since the glaciers retreated around 15,000 years ago, rock fall has been the major force of change in Yosemite Valley. Geologists work to understand this force of nature in order to protect the millions of visitors who come here each year.