16 Mountain Building

Front

What are fault block mountains a result of?

Back

Tensional stress.

Front

What forms the tallest mountain belts on Earth?

Back

Continental to continental convergence.

Front

What is an upward fold in rock formed by compression in Earth's crust called?

Back

Anticline.

Front

Which is the oldest major mountain range in the United States?

Back

Appalachians.

Front

What do geologists call the continental material under mountains extending into the mantle?

Back

Roots.

Front

What type of stress leads to the formation of fault block mountains?

Back

Tensional stress.

Front

What geological process occurs at oceanic to continental convergence?

Back

Subduction.

Front

What is the term for a downward fold in rock layers?

Back

Syncline.

Front

What mountain range is known for being formed by ocean to ocean convergence?

Back

Cascades.

Front

What is isostasy in geology?

Back

The equilibrium between continental crust and the denser mantle below it.