Faulting and Folding

Question 1

Normal Fault

Answer 1

The block above the fault moves down relative to the block below the fault.

Question 2

Reverse Fault

Answer 2

The block above the fault moves up relative to the block below the fault

Question 3

Strike-slip (or transcurrent) fault

Answer 3

The movement of blocks along a fault is horizontal. A special type of strike-slip fault is the transform fault.

Question 4

3 types of forces deforming the crust

Answer 4

Compressive
Tensional
Shearing

Question 5

How do folds occur

Answer 5

A fold forms when pressure is exerted inwards from both sides
Folds that bend upwards are called anticlines
Those that bend downwards are synclines

Question 6

Folding

Answer 6

As the plates push together, the continental crust is squashed together and forced upwards