Question 29-31 For questions 29 through 42 please refer to Figure 5 Questions 29

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Question 29-31

For questions 29 through 42 please refer to Figure 5 Questions 29 through 42: Matching: Match each statement to the volcanic construct that best fits. Note shape and size will help you here. 29. 30. 31. 32. 33. Maar. Cinder cone Composite cone (aka: stratovolcano) Shield Volcano. Lava Plateau. A. Volcano x B. Volcano y C. Volcano z D. None of the constructs matches the statement. Typical of a subduction zone setting. Entirely composed of Silicic (Felsic) Lava (Rhyolitic Lava) Of the three constructs shown on Figure 5, the one formed from lava with the greatest silicon to oxygen ratio. (hint: it cannot be "D") Hot Spot note: pick only the construct more likely formed at a hot spot. Flood Basalt note: as opposed to simple basalt flows. Explosive eruptions Basalt flows. Pyroclastic (tephra) only. Alternating layers of pyroclastic flows and lava. 34. 35. 36. 37. 38. 39. 40. 41. 42. For questions 43 through 45 please refer to the magnetic lineations of the seafloor across mid-ocean

Explanation / Answer

36. Of the three constructs shown on Figure 5, the one formed from lava with the greatest silicon to oxygen ratio, (Hint: it cannot be "D")

37. Hot Spot note: pick only the construct more likely formed at a hot spot

29. Maar None of the constructs match with the statements 30. Cinder cone Volcano Y 31. Composite cone (aka: stratovolcano) Volcano X 32. Shield Volcano Volcano Z 33. Lava Plateau Volcano Z 34. Typical of subduction zone setting Volcano X 35. Entirely composed of Silicic (Felsic) Lava (Rhyolite Lava) Volcano X

36. Of the three constructs shown on Figure 5, the one formed from lava with the greatest silicon to oxygen ratio, (Hint: it cannot be "D")

Volcano X

37. Hot Spot note: pick only the construct more likely formed at a hot spot

Volcano X 38. Flood basalt note: as opposed to simple basalt flow Volcano Z 39. Explosive eruption Volcano Y 40. Basalt Flow Volcano Z 41. Pyroclastic (tephra) only Volcano Y 42. Alternating layers of pyroclastic flows and lava Volcano X

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