Final Exam Review Chp. 17-21—UPDATED 12-2009
Chp. 17 Chp. 19
What is a geophysics? What is Continental Drift?
Reflection vs. Refraction What evidence supports this theory? Fig. 19.3
Structure of the Earth: Who is Wegener?
**Names of the All the layers and their ??Pangaea, Gondwana, Laurasia??
composition and boundaries **Understand the forces creating the motion in
Understand Fig. 17.2 and 17.4 Figure 19.12
---page 445 (12th edition) Subduction, convection, convergence,divergence
**Know figure 17.5 Review structures that are created at:
Know seismic wave speeds. Ocean/ Ocean, Ocean/Continental and
(Mafic vs. Felsic vs. Ultramafic) Continental/Continental Boundaries
What is the Lithosphere and Asthenosphere? What is a plate?
Shadow Zones?? (2) Fig. 17.8 and 17.9 Marine magnetic Anomalies
P waves vs. S waves? What causes plate motions?
? ULVZ ? **Fig. 19.17 19.19 19.20
What is it and how does it effect the Earth? Chp. 20
Gravitymeters What is a Mountain Belt? Fig. 20.6
??Paleomagnetism?? What is a Mountain Range?
What is our Magnetic Field? How is it formed? Characteristics pg. 532- 536
Fig. 17.21 Isostasy???
??Magnetic Reversals???, Curie Point? Fault-block mountains Fig. 20.17 and 20.18
Magnetometer, Positive and Negative Anomalies Delamination
Geothermal Gradient and Heat Flow Stages of a Mountain Belt
What are the displaced terrains? (3)
Chp. 18 Chp. 21
Volcanic Degassing? What are geologic Resources?
How do we study the ocean floor? Resources vs. Reserves?
How can you sample sea floor rocks and What energy resources do we use in the US?
sediments? (3) What is Uranium used for?
Terrigenous and Pelagic sediments Oil pools vs. Oil Traps?
?? Benioff Zone?? 8 common minerals
Why use sonar? Oils Fields?
Know the difference between Types of Mines
Passive and Active Margins. ? How much oil is left?
Mid-Ocean Ridge System? Important Metals
**Know all the features of the ocean floor.(10) ??Heavy Crude and Oils Sands?
Pg. 470-481 Figures too!! Nonmetallic resources
Shelves, slopes, canyons, Reefs and atolls Types of Coal?
What causes currents? Fig. 21.15, 21.19 21.26, 21.28
?Turbidity current, Contour current??
Theory of Plate Tectonics