Fold in Geology
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Questions and Answers

What type of fold is a recumbent fold?

  • Partially overturned (correct)
  • Completely overturned
  • Symmetrical
  • Chaotic and disjointed
  • What geological features are created when two anticlines intersect each other?

  • Chevron folds
  • Parasitic folds
  • Recumbent folds
  • Domes (correct)
  • What causes plunging folds?

  • Localized stress (correct)
  • Tectonic plate movement
  • Erosion
  • Sediment slumping
  • What characterizes chevron folds?

    <p>Sharp hinges and straight limbs</p> Signup and view all the answers

    What are ptygmatic folds primarily caused by?

    <p>Sediment slumping</p> Signup and view all the answers

    Which criterion classifies folds based on the tightness of folding?

    <p>Axial plane orientation</p> Signup and view all the answers

    In what type of fold do the youngest rock layers typically occur on the outer limbs and older rock layers in the center?

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

    'Disharmonic' folds are characterized by what?

    <p>'Sharp changes in wavelength, symmetry, and shape'</p> Signup and view all the answers

    What differentiates basins from domes geologically?

    <p>Basins have the youngest rock layers in the center.</p> Signup and view all the answers

    What distinguishes parasitic folds from other types of folds?

    <p>They form within large folds.</p> Signup and view all the answers

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