Project #52020 - Physical Geography: The dynamic planet

The book is :

Author: Christopherson, Robert W.
Edition/copyright 7th/09
Publisher: Prentice Hall, Inc.
Type: Hardcover


You need to define the terms and answer all of the questions below:



Define the following ideas:

  • Endogenic
  • Exogenic
  • Uniformitarianism
  • Mantel
  • Asenthosphere
  • Lithosphere
  • Isostacy
  • Isotactic Rebound
  • Subduction
  • Sea Floor Spreading
  • Upwelling
  • Divergent Boundary
  • Convergent Boundary
  • Transforming Boundary
  • Eathquake
  • Shield Volcano
  • Composite Volcano
  • Craton
  • Continental Shield
  • Orogenesis
  • Elastic Rebound Theory
  • Rift Valley
  • Horst and Graben Landscape





Short Answer

 1. How is the geologic time scale organized? What is the basis for the time scale in relative and absolute terms? What era, period, and epoch are we living in today?


2. What is the present thinking on how Earth generates its magnetic field? Is this field constant,or does it change? Explain the implications of your answer.


3. What is a discontinuity? Describe the principal discontinuities within Earth.


4. What is a mineral? A mineral family? Name the most common minerals on Earth. What is a rock?


5. Describe igneous process. What is the difference between intrusive and extrusive types of igneous rocks?


6. Characterize felsic and mafic minerals. Give examples of both coarse- and fine-grained textures.


7. Briefly describe sedimentary processes and lithification. Describe the sources and particle sizes of sedimentary rocks.


8. What is metamorphism and how are metamorphic rocks produced? Name some original parent rocks and their metamorphic equivalents.


9. Briefly review the history of continental drift, sea-floor spreading, and the all-inclusive plate tectonics theory. What was Alfred Wegener's role?


10. What is the relation between plate boundaries and volcanic and earthquake activity?


11. What is meant by an "order of relief"? Give an example from each order.


12. What is a migrating terrane, and how does it add to the formation of continental masses?


13. Define the four basic types of faults. How are faults related to earthquakes and seismic activity?


14. How are plate boundaries related to episodes of mountain building? Explain how different types of plate boundaries produce differing orogenic episodes and differing landscapes.


15. What is the relationship between an epicenter and the focus of an earthquake? Give an example


16. Where do you expect to find volcanic activity in the world? Why?



17. Compare effusive and explosive eruptions. Why are they different? What distinct landforms are produced by each type? Give examples of each.

Subject Science
Due By (Pacific Time) 12/14/2014 10:00 pm
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