module 9 quiz

Strain is the change in shape of a rock due to applied stress.

How is stress different from strain?

reverse

If a fault plane is greater than 35° from horizontal and the hanging-wall block moves upward relative to the footwall block, the fault is called a ________ fault.

shields

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

Near the centers of the continents.

The Earth's oldest rocks are found:

high temperature

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

An arch-shaped fold where the rocks are oldest in the center

What is and appropriate definition of an anticline?

The high geothermal gradient in the crust causes mountains to collapse under their own weight.

What is the primary reason why mountains substantially taller than Mt. Everest are unlikely to arise on Earth?

Foreland basin

What kind of sedimentary basin forms at the edge of a mountain belt as a result of loading of the crust by the weight of the mountains?

Tensional

What kind of stress formed the fault shown in the diagram at right? Assume rocks are horizontal sedimentary strata.

stratification

Which of the following is NOT an example of deformation?

Himalayas

Which of these tectonic features is most likely to be associated with a fold and thrust belt?

Crustal thickening and erosion

Which two geologic processes listed below can lead to isostatic uplift?

divergent; convergent

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

dome

The rocks in the image below have been plastically deformed, resulting in a(n) _______.