The dip of a unit represents the ___________ .
If you are flying in an airplane and you look down at the landscape, you are seeing a ___________ view of the Earth.
If look at a vertical face of a cliff or a roadcut, you are seeing a ___________ view of the Earth.
Which of the following types of tectonic forces tends to push two sides of a body in opposite directions so that they slide horizontally past one another?
What type of forces dominate at divergent plate margins?
What type of forces dominate at convergent plate margins?
The angle at which a sedimentary bed is inclined from the horizontal is called the _____.
Which of the following is not a tectonic force responsible for folding or faulting rocks?
The two sides of a fold are called its ________ .
At convergent plate boundaries one would expect to find _______.
At divergent plate boundaries one would expect to find _______.
At transform plate boundaries one would expect to find _______.
Which of the following statements about rock deformation is false?
The biggest difference between rock deformation experiments conducted in a laboratory and rock deformation that occurs naturally is that _______.
Laboratory experiments indicate that ________.
An overturned fold is characterized by ___________ .
What types of tectonic forces cause faulting?
Which of the following is an example of a fault where the motion is primarily horizontal?
What types of faults are associated with shearing forces?
What type of fault is characterized by the rocks above the fault plane moving downward relative to the rocks below the fault plane?
How many angular measurements does it take to describe the orientation of fault surface?
A sample of marble has deformed as a brittle substance during a laboratory experiment. If we wish our next sample of marble to deform plastically rather than as a brittle substance, we should conduct our next experiment at _________.
Which of the following conditions would favor folding rather than faulting?
Which factor does not affect whether folding is severe or gentle
Upfolds or arches of layered rock are called:
Downfolds or basins of layered rock are called:
A broad circular or oval upward bulge of rock layers is called a(n) _____
If the sedimentary rocks on a geologic map form a zigzag pattern, the underlying structure probably consists of _________.
The structure shown above is a(n) ________.
The structure shown above is a(n) ________.
What type of fault is characterized by the rocks above the fault plane moving upward relative to the rocks below the fault plane?
A fault plane strikes north-south and dips steeply to the west. Geologic observations indicate that most of the fault movement was vertical and that Mesozoic rocks occur east of the fault and Paleozoic rocks occur west of the fault. What type of fault is this?
What type of fault is characterized by movement both along strike and along dip?
An oblique-slip fault suggests _______
Strike-slip faults ________.
Which two measurements describe the orientation of a fault plane at a given location?
Dip-slip faults are associated with ________ forces.
What type of fault is a thrust fault?
Overthrusts are caused by large-scale _______ forces.
Which of the following features is formed in a region affected by tensional tectonic forces?
The Red Sea is an example of a(n) _________.
In the geologic map below, units A, B, and C are sedimentary rocks; unit A is the oldest and unit C is the youngest. The sedimentary rocks are cut by a fault, indicated by the dark line, that dips 60 degrees to the northwest.
What type of structure is shown on the map?
Which way do the sedimentary layers dip - assuming the structure is not overturned?
What type of fault is depicted on the geologic map?
Why is unit A wider north of the fault than it is south of the fault?