Geology of Folding
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Questions and Answers

What is the term for the point of maximum curvature on a fold?

  • Crest Point
  • Axial Point
  • Hinge Point (correct)
  • Trough Point

    • What type of fold is characterized by a curved shape and a neutral surface?

  • Monocline
  • Synform
  • Anticline
  • Cylindrical Fold (correct)

    • What is the term for the angle between the axial surface and the horizontal?

  • Plunge
  • Climb
  • Dip (correct)
  • Strike

    • What type of fold is characterized by a repeated pattern of folding?

    <p>Refold</p> Signup and view all the answers

    What is the term for the surface that passes through the hinge point and is parallel to the axial plane?

    <p>Enveloping Surface</p> Signup and view all the answers

    What type of fold is characterized by a linear or curved shape with a horizontal axial surface?

    <p>Monocline</p> Signup and view all the answers

    What is the term for the point of lowest elevation on a fold?

    <p>Trough point</p> Signup and view all the answers

    What is the spatial relationship between the axial trough line and the fold?

    <p>The axial trough line is parallel to the fold</p> Signup and view all the answers

    What is the term for a fold with an inclined axial plane?

    <p>Inclined fold</p> Signup and view all the answers

    What is the process by which fold lines are formed?

    <p>Ductile deformation</p> Signup and view all the answers

    What is the term for a fold with a curved hinge?

    <p>Hinge fold</p> Signup and view all the answers

    What is the purpose of calculating the median surface?

    <p>To calculate the distance between inflection points</p> Signup and view all the answers

    What is the characteristic of a harmonious fold?

    <p>Similar layer thickness and spacing</p> Signup and view all the answers

    What type of fold has a horizontal axis and is formed due to horizontal bending?

    <p>Horizontal fold</p> Signup and view all the answers

    What is the name of the process by which folds are formed due to compression of layers?

    <p>Flexural slip</p> Signup and view all the answers

    What is the term used to describe the plunge of a fold?

    <p>Plunge</p> Signup and view all the answers

    What type of fold has a plunging axis and is formed due to compression?

    <p>Plunging fold</p> Signup and view all the answers

    What is the term used to describe the orientation of a fold axis relative to the horizontal plane?

    <p>Attitude</p> Signup and view all the answers

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