For each description, choose the fault it describes. Fault types may be used more than once.

Question

Rock layers are placed under compressional stress:

Rock layers are placed under tensional stress:

Rock layers are placed under shear stress:

Hanging wall has dropped relative to footwall:

Hanging wall has risen relative to footwall:

Occurs when tectonic forces cause rock layers to break apart and move in opposite, parallel directions: ​

Occurs at convergent boundaries where two tectonic plates collide:

Occurs at divergent boundaries where two tectonic plates separate:

the answers are
normal fault
reverse fault
strike-slip fault

Answer 1

Here are the descriptions matched with the appropriate fault types:

• Rock layers are placed under compressional stress: reverse fault

• Rock layers are placed under tensional stress: normal fault

• Rock layers are placed under shear stress: strike-slip fault

• Hanging wall has dropped relative to footwall: normal fault

• Hanging wall has risen relative to footwall: reverse fault

• Occurs when tectonic forces cause rock layers to break apart and move in opposite, parallel directions: strike-slip fault

• Occurs at convergent boundaries where two tectonic plates collide: reverse fault

• Occurs at divergent boundaries where two tectonic plates separate: normal fault

Answer 2

are you sure these are the right answers

Answer 3

Let’s review the fault types and descriptions again for accuracy:

1. Rock layers are placed under compressional stress:
   Answer: reverse fault (In a reverse fault, the hanging wall moves up relative to the footwall due to compressional stress.)

2. Rock layers are placed under tensional stress:
   Answer: normal fault (In a normal fault, the hanging wall moves down relative to the footwall due to tensional stress.)

3. Rock layers are placed under shear stress:
   Answer: strike-slip fault (In a strike-slip fault, the movement of the rock occurs horizontally, parallel to the fault line, typically due to shear stress.)

4. Hanging wall has dropped relative to footwall:
   Answer: normal fault (This is characteristic of a normal fault where the hanging wall moves down.)

5. Hanging wall has risen relative to footwall:
   Answer: reverse fault (This occurs in a reverse fault where the hanging wall moves up.)

6. Occurs when tectonic forces cause rock layers to break apart and move in opposite, parallel directions:
   Answer: strike-slip fault (This type of fault involves lateral movement of rocks past one another.)

7. Occurs at convergent boundaries where two tectonic plates collide:
   Answer: reverse fault (Reverse faults are typically associated with convergent boundaries because they involve compression.)

8. Occurs at divergent boundaries where two tectonic plates separate:
   Answer: normal fault (Normal faults are associated with divergent boundaries because they involve extension.)

So, to confirm the answers:

• normal fault: placed under tensional stress, hanging wall drops, occurs at divergent boundaries
• reverse fault: placed under compressional stress, hanging wall rises, occurs at convergent boundaries
• strike-slip fault: placed under shear stress, movement in opposite parallel directions

These are indeed the correct matches based on the definitions of the fault types. Thank you for your patience!