CK12 Earth Science
the oceanic crust around the Pacific is being subducted today. Subduction along the east- ern margin of North America produced c ...
Figure 6.31: This view of the Hawaiian islands showing the youngest islands in the southeast and the oldest in the northwest. Ki ...
Figure 6.32: The Hawaii-Emperor chain creates a large angular gash across the Pacific basin in this satellite image. The bend in ...
geysers. Lesson Summary Driven by mantle convection, the plates of lithosphere move around Earth’s surface. New oceanic crust f ...
continental rifting A divergent plate boundary that forms in the middle of a continent. convergent plate boundary A location whe ...
Points to Consider On the map in Figure 3 above, the arrows show the directions that the plates are going. The Atlantic has a m ...
(14) http://en.wikipedia.org/wiki/Image:Appalachians_NC_BLRI9242.jpg. GNU-FDL. (15) USGS.http://en.wikipedia.org/wiki/File:Hawai ...
(32) http://en.wikipedia.org/wiki/Image:Dipole_field.jpg. GNU-FDL. ...
Chapter 7 Earthquakes 7.1 Stress in the Earth’s Crust. Lesson Objectives List the different types of stresses that cause differ ...
Causes and Types of Stress Stressis the force applied to an object. In geology, stress is the force per unit area that is placed ...
Figure 7.2: Rocks showing dextral shear. Note how the white quartz vein has been elongated by shear. ( 44 ) ...
rock goes back to its original shape, like a squeezed rubber ball. If more stress is applied to the rock, it will eventually ben ...
like ash falls, resemble sedimentary rocks because they are laid down horizontally as well. Figure 7.4: The layered rocks of the ...
Figure 7.5: Geologic column of the Grand Canyon. The sedimentary rocks of groups 3 through 6 were deposited horizontally and rem ...
Figure 7.6: Snow accentuates the fold exposed in these rocks in Provo Canyon, Utah. ( 34 ) Once rocks are folded, they do not re ...
Figure 7.7: A monocline can be spotted in the photo taken at Colorado National Monument where the rocks plunge toward the ground ...
Figure 7.9: An anticline exposed in a road cut in New Jersey. ( 12 ) Figure 7.10: A syncline in Rainbow Basin in California. ( 4 ...
Figure 7.11: Diagram of a syncline. A syncline is a concave downward fold. ( 11 ) Figure 7.12: Geologic map of the Michigan Basi ...
Geologicprocessesthatworkatthesurface, likeerosion, areimportantincreatinggeographic features as well. Faults Arockunderenoughst ...
Figure 7.14: Faults are easy to recognize as they cut across bedded rocks. ( 47 ) wall and which is the footwall by imagining yo ...
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