Exam 9: Crags, cracks, and Crumples: Crustal Deformation and Mountain Building

In the map below,the vertical,north-south trending fault is a ________ fault.

________ occurs when rocks are pulled apart.

Which fault below could result from both strike-slip and dip-slip stresses?

Under which of these conditions would a body of rock be more likely to exhibit plastic behavior?

Shields contain vast areas of exposed metamorphic rocks;this is due to the ________ process.

The process of ________ turns the steep slopes of mountains into gentle hills.

Normal,reverse,and thrust are all examples of ________ faults.

What can be said about a mountain range that is being uplifted at 2 cm/yr but is not growing any taller?

On a geologic map,if the contacts between sedimentary rock units form a series of parallel lines,with the youngest unit in the center,the underlying structure is a ________.

The outer portion of a craton,where deformed rocks are covered by sediments,is termed the ________.

A body of rock affected by tensile stress will likely undergo ________.

The balance between the weight of a mountain range and the buoyancy provided by the underlying mantle is termed ________ equilibrium.

The distinction between joints and faults is that ________.

During the formation of Pangea,Africa collided with North America and created the Appalachian Mountains.Which of the following mountain ranges is a modern analogue for the ancient Appalachian Mountains?

Right-lateral and left-lateral are both examples of ________ faults.

Regions of continents that have NOT been subjected to orogeny during the past one billion years are termed ________.

________ stress results in the smearing out of rock.

Mountain ranges formed along subduction zones are formed,in part,by ________ in the crust.

The Himalayan mountain range was formed at which tectonic setting?

________ occurs when rocks bend,break,or flow during mountain building.