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The 2 blank equations

The 2 blank equations-example-1
User Thom Brown
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The complete pairings are:

  • 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 at convergent boundaries where two tectonic plates collide: Reverse fault
  • Occurs at divergent boundaries where two tectonic plates separate: Normal fault
  • Occurs when tectonic forces cause rock layers to break apart and move in opposite, parallel directions: Strike-slip fault

What are these terms?

Rock layers can crack under three types of stress: compression (layers squish, forming reverse faults), tension (layers pull apart, forming normal faults), and shear (layers grind sideways, forming strike-slip faults). In faults, the "hanging wall" moves relative to the "footwall": downward in normal faults, upward in reverse faults.

Tectonic boundaries influence fault types: convergent boundaries (plates colliding) create reverse faults, divergent boundaries (plates separating) create normal faults, and strike-slip faults occur when plates slide past each other. This complex interplay of stress and boundaries shapes Earth's geology.

User Jnj
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