GLY3163: Module 8 Quiz 11

A tectonic window beneath a thrust fault exposes rocks older than the rocks above the thrust fault.

False

Glacial erosion was a major force in shaping the Great Smoky Mountains.

False

The Catoctin greenstones that make up Stony Man Mountain and other formations in Shenandoah National Park are?

Metamorphosed Neoproterozoic basalt flows

Rocks of the Appalachian Blue Ridge are dominated by _____.

Proterozoic gneiss

What type of fault caused the Precambrian gneiss and granite of the Blue Ridge Mountains to be placed on top of Cambrian and Ordovician sedimentary rocks?

Thrust fault

The Appalachian Mountains formed from continental collisions between North America and Gondwana?

True

The Great Smoky Mountains that exist today were uplifted and eroded in Cenozoic time after the Atlantic Ocean opened.

True

The Smoky Mountains are higher than most of the other Appalachian Mountains because the Ocoee Supergroup rocks are resistant to erosion.

True