Plate Boundaries
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Questions and Answers

Which type of plate boundary occurs where plates pull apart, faults and earthquakes occur, and volcanic rocks are produced?

  • Divergent (correct)
  • Convergent
  • Transform
  • None of the above

What type of rock is typically found at mid-ocean ridges?

  • Gabbro
  • Basalt (correct)
  • Granite
  • Rhyolite

Which type of plate boundary occurs where plates collide, faults and earthquakes occur, and the downgoing oceanic plate is subducted into the mantle?

  • Divergent
  • Convergent (correct)
  • Transform
  • None of the above

What type of volcanic material is typically found at convergent boundaries?

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

What type of plate boundary occurs where plates slide past each other horizontally, causing faults and earthquakes?

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

What type of rock is typically found in regions of regional metamorphism during continental collision?

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

What is the relationship between earthquake magnitude and the amount of rock moved during an earthquake?

<p>Directly proportional (A)</p> Signup and view all the answers

Which part of the Earth's interior is the weaker region of the upper mantle that deforms by viscous flow?

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

What is the main mineral that dominates the mantle?

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

Which type of crust is generally younger, thinner, and consists of basaltic rocks?

<p>Oceanic crust (A)</p> Signup and view all the answers

Who proposed the theory of continental drift in 1912?

<p>Alfred Wegener (A)</p> Signup and view all the answers

What evidence did Alfred Wegener use to support his theory of continental drift?

<p>Similarity in shapes of Africa and South America (D)</p> Signup and view all the answers

Who realized that the magnetic polarity of basalts changed systematically with age, providing key evidence for plate tectonics?

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

What drives plate movement according to the theory of plate tectonics?

<p>Mantle convection (B)</p> Signup and view all the answers

Which type of seismic wave is not transmitted through liquid media?

<p>S-waves (B)</p> Signup and view all the answers

What is the temperature of the mantle?

<p>1330°C (B)</p> Signup and view all the answers

What is the Moho?

<p>A chemical boundary between the Crust and the Mantle (C)</p> Signup and view all the answers

What are the three basic types of rock?

<p>Igneous, sedimentary, metamorphic (C)</p> Signup and view all the answers

Which type of plate boundary involves the formation of mountain chains?

<p>Convergent Plate Boundaries (D)</p> Signup and view all the answers

What is the Lithosphere Asthenosphere Boundary (LAB)?

<p>A mechanical boundary between the Lithosphere and Asthenosphere (A)</p> Signup and view all the answers

Which type of plate boundary involves failed rifts?

<p>Divergent Plate Boundaries (A)</p> Signup and view all the answers

Which type of rock undergoes textural and mineralogical changes as it is deformed, pressurized, and heated?

<p>Metamorphic rock (B)</p> Signup and view all the answers

What are the three basic types of plate boundaries?

<p>Divergent, convergent, and transform (B)</p> Signup and view all the answers

Where do transform plate boundaries occur?

<p>Where one plate slides past another (B)</p> Signup and view all the answers

What happens at transform plate boundaries?

<p>Sticking and stress buildup occur (C)</p> Signup and view all the answers

What is the San Andreas Fault?

<p>A transform plate boundary (A)</p> Signup and view all the answers

Where is new lithosphere created?

<p>At mid-ocean ridges (C)</p> Signup and view all the answers

Where is old lithosphere returned to the asthenosphere?

<p>At subduction zones (C)</p> Signup and view all the answers

Where do earthquakes occur in plate tectonics?

<p>At both sea-floor spreading regions and subduction zones (C)</p> Signup and view all the answers

Where is new igneous material produced in plate tectonics?

<p>At mid-ocean ridges (D)</p> Signup and view all the answers

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