PHSC 210 Quiz 5

PHSC 210 Quiz 5

  1. _____________ is a major dissolved volatile constituent in both magmas and volcanic gasses.
  2. Which one of the following is NOT part of the continental margin?
  3. A ___________ volcano is a broad, slightly domed mound composed mainly of basaltic lava flows.
  4. Which ocean has the greatest average depth?
  5. Guyots are ____________________.
  6. Which of the following is NOT considered pyroclastic debris?
  7. Which type of basaltic lava flow has a fairly smooth, unfragmented, ropy surface?
  8. The layer in the ocean that is characterized by a rapid temperature change and marks the transition between the warm surface layer and the deep zone of cold water is known as the _____________.
  9. A _________________ is a near surface, intrusive, igneous rock body that has been injected between sedimentary strata, resulting in arching of the overlying beds.
  10. ______________ tend to increase the explosive potential of a magma body beneath a volcano.
  11. Submarine canyons are found on the continental slope and are believed to have been created _____________.
  12. Concerning the distribution of land and water, which of the following statements is true?
  13. Minerals that crystallize directly from seawater are examples of ________________.
  14. Which one of the following salts is most abundant in seawater?
  15. What is the largest, known volcano in the solar system?
  16. Kilauea and Mauna Loa in Hawaii are _________________.
  17. An echo sounder operates by measuring the time required for a _______________.
  18. The crests of mid‐oceanic ridges ________________.
  19. Which region has the greatest concentration of currently active volcanoes?
  20. Which of the following best describes volcanism in the Andes Mountains of South America?
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