Geol Quiz 5 - Review Assessment CHAPTER 5 QUIZ Name Status...

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Review Assessment: CHAPTER 5 QUIZ Name CHAPTER 5 QUIZ Status Completed Score 15 out of 20 points Instructions Question 1 1 out of 1 points A ____________ type of basaltic lava flow has a surface that looks like heaps of braided rope, whereas a ____________ type of basaltic lava flow is made up of rough jagged pieces. (Choose the answer with the pair of terms in the correct order to fill in the blanks.) Selected Answer: pahoehoe . .. aa Correct Answer: pahoehoe . .. aa Question 2 1 out of 1 points __________ is one of the most common volatiles (dissolved gases) in magma. Selected Answer: Water vapor Correct Answer: Water vapor Question 3 0 out of 1 points Considering the plate tectonic settings of magma formation shown in Figure 5.35, which of the following statements is CORRECT? Selected Answer: Decompression melting creates magma at convergent plate boundaries; water-assisted melting creates magma at divergent plate boundaries. Correct Answer: Magma forms by decompresion melting in areas where mantle rock rises; magma formation in areas of subduction involves water being driven from the subducting plate. Question
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This note was uploaded on 07/16/2009 for the course GEOL 100 taught by Professor Johntrib during the Spring '09 term at Maastricht.

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Geol Quiz 5 - Review Assessment CHAPTER 5 QUIZ Name Status...

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