Geological Faults Quiz

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Questions and Answers

What is a fault plane?

  • The plane that represents the fracture surface of a fault (correct)
  • A place where the fault can be seen or mapped on the surface
  • The zone of crushed rock along a single fault
  • The line commonly plotted on geologic maps to represent a fault

What causes most earthquakes?

  • Energy release associated with rapid movement on active faults (correct)
  • The action of plate tectonic forces
  • Aseismic creep
  • Prolonged motion along closely spaced faults

What is a fault trace?

  • A place where the fault can be seen or mapped on the surface (correct)
  • The line commonly plotted on geologic maps to represent a fault
  • The zone of crushed rock along a single fault
  • The plane that represents the fracture surface of a fault

What are megathrust faults associated with?

<p>Subduction zones (D)</p> Signup and view all the answers

What is a fault zone?

<p>A cluster of parallel faults (A)</p> Signup and view all the answers

What is a fault plane?

<p>The plane that represents the fracture surface of a fault (B)</p> Signup and view all the answers

What is a fault trace?

<p>The line commonly plotted on geologic maps to represent a fault (A)</p> Signup and view all the answers

What causes most earthquakes?

<p>Energy release associated with rapid movement on active faults (A)</p> Signup and view all the answers

What is a fault zone?

<p>A cluster of parallel faults (A)</p> Signup and view all the answers

How do large faults within Earth's crust primarily form?

<p>From the action of plate tectonic forces (A)</p> Signup and view all the answers

Flashcards

Fault Plane

The plane representing the fracture surface of a fault.

Main cause of earthquakes

Energy release from rapid movement on active faults.

Fault Trace

The surface expression of a fault that can be seen or mapped.

Megathrust Faults

Associated with subduction zones.

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Fault Zone

A group of parallel faults clustered together.

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Fault Trace Representation

The line plotted on geologic maps to represent a fault.

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Formation of Large Faults

From the action of plate tectonic forces.

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