CH 11

The oldest layer of an anticline is located ___

• on an incline
• within a syncline
• in the center of the fold
• on the bottom of the fold

Folded mountains form ___

• when a state of isostasy occurs.
• when continents collide.
• when continents diverge.
• after huge earthquakes.

The type of stress that squeezes and shortens a body is __

• compression.
• tension.
• shear.
• deposition.

What is subduction?

• one plate collides with another
• one plate destroys another
• one plate goes beneath another
• one plate divides another

A fold where the youngest rock layer is in the center is called a(n) _____

• monocline.
• decline.
• syncline.
• anticline.

How does a reverse fault form?

• The hanging wall moves upward relative to the footwall.
• Compression thrusts the fault into reverse.
• Blocks slide past each other.
• The hanging wall moves downward relative to the footwall.

Materials that respond to stress by bending or deforming without breaking are ___

• ductile.
• brittle.
• faulted.
• isostatic.

Which of these are types of mountains?

• rolling, glacial, subterranean, cascades
• rocky, green, smoky, white
• fault-block, dome, volcanic, folded
• salt-block, dome, magnum, frozen

What type of fault results when the rock on either side of a fault plane slides horizontally in response to shear stress?

• normal
• reverse
• strike-slip
• thrust

The rock below the fault plane is known as the ___

• footwall.
• fracture.
• hanging wall.
• hinge.