21.1. Definition and Characteristics of Faults

Try these first

1. 1.

   What is a fault?

   Hint

   Think about how tectonic forces affect rock layers.

2. 2.

   Define displacement in the context of faults.

   Hint

   Consider how rocks move relative to each other.

3. 3.

   What is a fault?

   • A minor crack in the ground
   • A fracture in the Earth's crust
   • A type of mineral

   Hint

   Think about the role of tectonic activity.

4. 4.

   True or False: The hanging wall is located below the fault plane.

   • True
   • False

   Hint

   Remember the definitions of hanging wall and footwall.

5. 5.

   Given that two rock blocks, A and B, are displaced along a normal fault, describe the forces acting on both blocks and the expected movement direction.

   Hint

   Consider the nature of normal faults where hanging walls drop.

6. 6.

   In a region where multiple faults interact, how should civil engineers approach site selection for urban development?

   Hint

   Think about safety and risk management in high-seismicity regions.