To help you master concepts from Chapter 15 (Geologic Structures), take this sample examination. Learn to think in three dimensions to do well on this exam!

1			Which of the following is a type of stress? Need a Hint?
			A)	shear.
			B)	compression.
			C)	tension.
			D)	all of these are types of stress.
2			The compass direction of a line formed by the intersection of an inclined plane and a horizontal plane is called: Need a Hint?
			A)	the cross-cutting angle.
			B)	the intersection angle
			C)	strike
			D)	dip.
3			Folding occurs when rocks behave as: Need a Hint?
			A)	brittle solids.
			B)	fluids.
			C)	ductile solids.
			D)	none of these.
4			Anticlines: Need a Hint?
			A)	form in rocks that are resistant to folding.
			B)	form in rocks as a result of brittle deformation.
			C)	are upwarped folds.
			D)	are downwarped folds.
5			Synclines: Need a Hint?
			A)	are never observed in nature.
			B)	are downwarped folds.
			C)	are upwarped folds.
			D)	form in rocks that are resistant to folding.
6			In a syncline, the oldest rocks will be found: Need a Hint?
			A)	on the limbs of the fold.
			B)	near the axis of the fold.
			C)	at the bottom of the fold
			D)	none of these.
7			In a syncline, all rock layers: Need a Hint?
			A)	dip toward the fold axis.
			B)	dip away from the fold axis.
			C)	have vertical dips.
			D)	have horizontal dips.
8			In a syncline, the youngest rock layers: Need a Hint?
			A)	are found on the limbs of the fold.
			B)	are found nearest the fold axis.
			C)	dip away from the fold axis.
9			In an plunging anticline, the fold axis plunges: Need a Hint?
			A)	very steeply.
			B)	toward the flanks of the fold.
			C)	toward the youngest rocks.
			D)	none of these.
10			A structural basin is a special case of: Need a Hint?
			A)	a dome.
			B)	a syncline.
			C)	an anticline
			D)	a freak of nature.
11			A fault is observed where the hanging wall is displaced upward relative to the footwall. Need a Hint?
			A)	This is a normal fault.
			B)	This is a reverse fault.
			C)	This is a left-lateral strike-slip fault.
			D)	This is a right-lateral strike-slip fault.
12			The San Andreas Fault is an example of: Need a Hint?
			A)	a normal fault.
			B)	a reverse fault.
			C)	a thrust fault.
			D)	none of these.
13			Faults where displacement is both vertical and horizontal are called: Need a Hint?
			A)	radical faults.
			B)	complex faults.
			C)	slippery faults.
			D)	oblique faults.
14			A fault that displays mostly vertical displacement is: Need a Hint?
			A)	a dip-slip fault.
			B)	a strike-slip fault.
			C)	a transform fault.
			D)	none of these.
15			Strike-slip faults can also be: Need a Hint?
			A)	dip-slip faults.
			B)	transform faults.
			C)	anticlines.
			D)	syncline.
16			Faults result from: Need a Hint?
			A)	ductile deformation of rocks.
			B)	folding of rocks.
			C)	brittle deformation of rocks.
			D)	all of these.
17			Fractures result from: Need a Hint?
			A)	brittle deformation of rocks.
			B)	ductile deformation of rocks.
			C)	slow strain rates.
			D)	all of these.
18			Folds whose limbs are horizontal are known as: Need a Hint?
			A)	horizontal layers.
			B)	overturned folds.
			C)	massively thrusted folds.
			D)	recumbent folds.
19			Which of the following is not a fold type? Need a Hint?
			A)	syncline.
			B)	anticline.
			C)	dome.
			D)	thrust fold.
20			Which geologic setting has the most obvious dip-slip faults? Need a Hint?
			A)	The midwest United States.
			B)	The Basin and Range Province of North America.
			C)	California.
			D)	The Canadian Shield.