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

The distinction between joints and faults is that ________.

We can describe the orientation of planar features such as faults and joints using measurement of the _______.

There are many ways in which uplift can occur,but all of them reflect ________.

The term for a change in shape induced by stress is ________.

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

Normal faulting is most often associated with mountain building along ___________ boundaries,whereas reverse faulting is generally observed at ___________ boundaries.

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

An episode of mountain building is termed a(n)________.

Which of these is NOT one of the components of deformation?

The portion along a fold where curvature is the greatest is termed the fold ________.

In the image below,the rocks have been bent into an elongate trough.This is a(n)________.

Under which condition would a body of rock be most likely to exhibit brittle behavior?

In a ________ fault,the fault plane is non-vertical and the hanging wall block moves downward relative to the footwall block.

If compressive stresses acting on a rock are greatest in a north-south direction,the rock will likely deform by shortening in a _________ direction.

What is term for a fold in which layers bend without changing thickness,indicating slip between layers during folding?

Regions where Precambrian metamorphic rocks are exposed at the surface are termed ________.

The sides of a fold,where curvature is at a minimum,are termed ________.

If a fault plane is greater than 30° from horizontal and the hanging wall block moves upward relative to the footwall block,the fault is called a ________ fault.

The majority of the Earth's mountains occur ________.

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