Chp 10 Faults

Question 1

What are folds?

Answer 1

Folds are U-shaped bends that happen in the earth’s crust due to lateral compression of the crust. They involve no breaking.

Question 2

What are the types of folds?

Answer 2

There are 2 types of folds:

Anticline : Oldest rocks at the central core.

Syncline: Youngest rocks at the central core.

Question 3

What are are faults?

Answer 3

They are breaks in the rock that exhibit offset.

Question 4

What is the most common cause of earthquakes?

Answer 4

Movements along the faults are the most common reason for earthquakes.

Question 5

What are the types of faults?

Answer 5

There are 3 types of faults:
- normal faults
- Reverse faults
- strike slip faults

Question 6

What are the types of Geological Structures created by deformations?

Answer 6

Folds
Faults
Joints

Question 7

What are Joints

Answer 7

These are fractures where there have been no movement on the failure planes.

Question 8

What are the types of joints?

Answer 8

Joint Set: joints that share similar orientation in the same area.

Joint System: two or more joint sets in the same area.