CPG CPG Structural Geology & Tectonics

Question 1

What term describes the angle of inclination of a rock layer measured from the horizontal plane?

Accepted Answer

Dip angle

Answer

Strike angle

Answer

Plunge angle

Answer

Trend angle

Question 2

In structural geology, 'strike' refers to which of the following?

Accepted Answer

The compass direction of a horizontal line on a planar surface

Answer

The direction of maximum dip

Answer

The angle of inclination of a fault plane

Answer

The depth to a geological contact

Question 3

A syncline is a fold in which rock layers:

Accepted Answer

Dip toward the fold axis

Answer

Dip away from the fold axis

Answer

Are horizontal throughout

Answer

Are vertical at the hinge

Question 4

Which fault type is characterized by primarily horizontal movement with little to no vertical component?

Accepted Answer

Strike-slip fault

Answer

Normal fault

Answer

Reverse fault

Answer

Thrust fault

Question 5

In a compressional tectonic setting, which fault type is most likely to form?

Accepted Answer

Thrust/reverse fault

Answer

Normal fault

Answer

Strike-slip fault

Answer

Listric normal fault

Question 6

The hanging wall of a fault is defined as:

Accepted Answer

The block above the fault plane

Answer

The block below the fault plane

Answer

The surface trace of the fault

Answer

The zone of crushed fault material