Forces in Earth's Crust

Question 1

Which best describes how wedge basins form?

Revolt · Accepted Answer

When two plates collide, the non-subducting plate scrapes the subducting plate and forms a depression where sediments gather.

Question 2

A scientist observes rock masses that have moved past each other in opposite horizontal directions. Which feature does the scientist observe?

Revolt · Accepted Answer

strike-slip fault

Question 3

A scientist observes a fault where the hanging wall has moved upward relative to the footwall. Which type of fault is the scientist observing?

Revolt · Accepted Answer

reverse

Question 4

The image is of the formation of a fault-block mountain.

Revolt · Accepted Answer

The hanging walls from the two parallel faults slip down.

Question 5

Which force created a fault-block mountain?

Revolt · Accepted Answer

tension

Question 6

The image shows a type of stress.

Revolt · Accepted Answer

normal

Question 7

Which forms as a result of compressional stress?

Revolt · Accepted Answer

anticline and syncline

Question 8

Which type of basin forms at divergent boundaries?

Revolt · Accepted Answer

rift

Question 9

Where does shearing often occur?

Revolt · Accepted Answer

at a transform boundary

Question 10

How is a plateau different from a fault-block mountain?

Revolt · Accepted Answer

A plateau forms when a flat block of rock is uplifted, and a fault-block mountain does not.

Forces in Earth's Crust Answers