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Earth, Chapter 6

Earth, Chapter 6. Clicker Questions. 6.2 The melting associated with the addition of carbon dioxide (CO 2 ) or water (H 2 O) to rocks is referred to as. pressure melting. decompression melting. addition of volatiles. subduction of volatiles. pressure addition.

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Earth, Chapter 6

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  1. Earth, Chapter 6 Clicker Questions

  2. 6.2 The melting associated with the addition of carbon dioxide (CO2) or water (H2O) to rocks is referred to as • pressure melting. • decompression melting. • addition of volatiles. • subduction of volatiles. • pressure addition.

  3. 6.2 The melting associated with the addition of carbon dioxide (CO2) or water (H2O) to rocks is referred to as: • pressure melting. • decompression melting. • addition of volatiles. • subduction of volatiles. • pressure addition.

  4. 6.3 A magma high in silica (SiO2) is called • mafic. • magma. • granite. • basalt. • felsic.

  5. 6.3 A magma high in silica (SiO2) is called: • mafic. • magma. • granite. • basalt. • felsic.

  6. 6.4 Hot mafic magma can be described best as • low viscosity and low fluidity. • low viscosity and high fluidity. • high viscosity and high fluidity. • high viscosity and low fluidity. • medium viscosity and medium fluidity.

  7. 6.4 Hot mafic magma can be described best as • low viscosity and low fluidity. • low viscosity and high fluidity. • high viscosity and high fluidity. • high viscosity and low fluidity. • medium viscosity and medium fluidity.

  8. 6.5 A pyroclastic flow is • a slow volcanic flow. • a subsurface volcanic flow. • a high-altitude volcanic event. • a rapid-moving, ground-hugging volcanic flow. • a volcanic explosion under and ice sheet.

  9. 6.5 A pyroclastic flow is • a slow volcanic flow. • a subsurface volcanic flow. • a high-altitude volcanic event. • a rapid-moving, ground-hugging volcanic flow. • a volcanic explosion under and ice sheet.

  10. 6.7 Most melt at a subduction zone is generated by • heat transfer melting of the subducting plate. • decompression melting of the subducting plate. • addition of volatiles into the asthenosphere. • decompression melting of the asthenosphere. • There is no volcanic activity at a subduction zone.

  11. 6.7 Most melt at a subduction zone is generated by • heat transfer melting of the subducting plate. • decompression melting of the subducting plate. • addition of volatiles into the asthenosphere. • decompression melting of the asthenosphere. • There is no volcanic activity at a subduction zone.

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