Glacier National Park - Glacier's Geologic Story

The video explores the geology of Glacier National Park through a three-part story: ancient rocks, geological uplift, and glaciation. It begins with billion-year-old sedimentary rocks featuring fossils and unique formations. The second part discusses the uplift that placed these ancient rocks over much younger ones, highlighting the Lewis Overthrust. The final part covers the glaciation that shaped the park's landscape, creating peaks, valleys, and lakes. The video also mentions the few remaining modern glaciers in the park.

What type of ancient fossils are found in the rocks of Glacier National Park?

• Trilobites

• Stromatolites

• Ammonites

• Brachiopods

What geological feature is responsible for placing older rocks over younger ones in Glacier National Park?

• Himalayan Fold

• Lewis Overthrust

• San Andreas Fault

• Mid-Atlantic Ridge

During which geological period did the glaciation that shaped Glacier National Park begin?

• Ice Age

• Paleogene

• Cretaceous

• Jurassic

How many modern glaciers approximately remain in Glacier National Park?

• 70

• 50

• 30

• 10

What is a significant feature of the glacial valleys in Glacier National Park?

• Desert dunes

• Gorgeous lakes

• Sandstone arches

• Volcanic craters