Understanding Earth's Processes: Chapter 6 Clicker Questions
In Chapter 6, the focus is on the melting associated with the addition of carbon dioxide or water to rocks, magma composition, viscosity of hot mafic magma, and identification of pyroclastic flows. Explore these concepts through interactive clicker questions featuring informative images.
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Earth, Chapter 6 Clicker Questions
6.2 The melting associated with the addition of carbon dioxide (CO2) or water (H2O) to rocks is referred to as a. pressure melting. b. decompression melting. c. addition of volatiles. d. subduction of volatiles. e. pressure addition.
6.2 The melting associated with the addition of carbon dioxide (CO2) or water (H2O) to rocks is referred to as: a. pressure melting. b. decompression melting. c. addition of volatiles. d. subduction of volatiles. e. pressure addition.
6.3 A magma high in silica (SiO2) is called a. mafic. b. magma. c. granite. d. basalt. e. felsic.
6.3 A magma high in silica (SiO2) is called: a. mafic. b. magma. c. granite. d. basalt. e. felsic.
6.4 Hot mafic magma can be described best as a. low viscosity and low fluidity. b. low viscosity and high fluidity. c. high viscosity and high fluidity. d. high viscosity and low fluidity. e. medium viscosity and medium fluidity.
6.4 Hot mafic magma can be described best as a. low viscosity and low fluidity. b. low viscosity and high fluidity. c. high viscosity and high fluidity. d. high viscosity and low fluidity. e. medium viscosity and medium fluidity.
6.5 A pyroclastic flow is a. a slow volcanic flow. b. a subsurface volcanic flow. c. a high-altitude volcanic event. d. a rapid-moving, ground-hugging volcanic flow. e. a volcanic explosion under and ice sheet.
6.5 A pyroclastic flow is a. a slow volcanic flow. b. a subsurface volcanic flow. c. a high-altitude volcanic event. d. a rapid-moving, ground-hugging volcanic flow. e. a volcanic explosion under and ice sheet.
6.7 Most melt at a subduction zone is generated by a. heat transfer melting of the subducting plate. b. decompression melting of the subducting plate. c. addition of volatiles into the asthenosphere. d. decompression melting of the asthenosphere. e. There is no volcanic activity at a subduction zone.
6.7 Most melt at a subduction zone is generated by a. heat transfer melting of the subducting plate. b. decompression melting of the subducting plate. c. addition of volatiles into the asthenosphere. d. decompression melting of the asthenosphere. e. There is no volcanic activity at a subduction zone.
