Plate Tectonics Theory
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Questions and Answers

What is the pattern of the rocks' age near the mid-ocean ridge?

  • They become progressively older away from the ridge crest (correct)
  • They are very old at the ridge crest
  • They become progressively younger away from the ridge crest
  • They are similar in age across the ridge

What is the significance of the symmetrical stripes around the mid-ocean ridge crests?

  • They indicate the movement of the Earth's crust
  • They are a result of geomagnetic reversals
  • They show the age of the rocks
  • They support the seafloor spreading hypothesis (correct)

What is the 'tape recording' that the oceanic crust provides?

  • A record of the Earth's temperature changes
  • A record of the Earth's magnetic field reversals (correct)
  • A record of the Earth's plate movements
  • A record of the Earth's volcanic activity

What is the name of the hypothesis that explains the construction of the mid-ocean ridge system?

<p>Seafloor Spreading Hypothesis (C)</p> Signup and view all the answers

Who added the concept of transform faults to the Plate Tectonics model?

<p>Tuzo Wilson (A)</p> Signup and view all the answers

What is the name of the fit that shows how the continents along both sides of the Atlantic would close the ocean?

<p>Bullard's Fit (C)</p> Signup and view all the answers

What is the term for the study of the history of the Earth's magnetic field reversals?

<p>Magnetostratigraphy (C)</p> Signup and view all the answers

What is the name of the cycle that refers to previous plate tectonic reconstructions?

<p>Wilson Cycle (C)</p> Signup and view all the answers

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