Geology of Devil's Slide

Professor Sean Willy takes viewers on a geology excursion to Devil's Slide in Northern Utah. He explains the unique rock formation, its geological history, and the tectonic forces that shaped it. The formation consists of limestone rock fins with softer layers in between, formed during the Jurassic period. The video also discusses the impact of thrust faults and mountain-building events on the structure. Despite limited access, the video provides a comprehensive understanding of this geological feature.

What is the name of the geologic feature discussed in the video?

• Giant's Slide

• Angel's Slide

• Devil's Slide

• Heaven's Slide

What type of rock primarily makes up the fins of Devil's Slide?

• Basalt

• Granite

• Sandstone

• Limestone

What is the softer material found between the rock fins of Devil's Slide?

• Gravel

• Silt and mud

• Clay

• Sand

What is the significance of the cement plant mentioned in the video?

• It is built on top of Devil's Slide.

• It uses limestone from Devil's Slide.

• It is a tourist attraction.

• It is unrelated to Devil's Slide.

During which geological period was the Twin Creek Limestone deposited?

• Cretaceous

• Permian

• Triassic

• Jurassic

What is the name of the sandstone layer beneath the Twin Creek Limestone?

• Kayenta Sandstone

• Entrada Sandstone

• Redwall Sandstone

• Nugget Sandstone

What major geological event caused the folding and tilting of the rock layers at Devil's Slide?

• Laramide Orogeny

• Himalayan Orogeny

• Appalachian Orogeny

• Sevier Orogeny

What type of faults bound the tilted rock layers at Devil's Slide?

• Normal faults

• Thrust faults

• Strike-slip faults

• Reverse faults

In which direction was the Earth's crust compressed during the formation of Devil's Slide?

• North-South

• East-West

• Northeast-Southwest

• Northwest-Southeast

What river is located near Devil's Slide?

• Green River

• Colorado River

• Snake River

• Weber River