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Thursday, January 27, 2011

Introduction to Map of Plate Boundaries (Stress, Fault)

Right now, I have managed to examine the tectonic plates and the movements of the plates. As I started the unit, I hadn't noticed any concept or vocabularies associated with this unit; I wondered around looking for help but I discovered that learning by me was the key to being intelligent about the unit/topic. As you can see up there on a blurry map (bad camera), I colored for Shearing, Tension, and Compression. Tension, compression, and shearing had already worked over millions of years to change the shape and volume of rock.Tension is the stress force called tension pulls on the crust stretching rock so that it becomes thinner in the middle. Tension occurs where two plates are moving apart.Compression is the stress force which squeezes rock until it folds or breaks. Also a stress that pushes a mass of rock in two opposite directions is called shearing. Shearing can cause rock to break and slip apart or to change its shape (these notes are notes I took from the packet).

According to my diagram or map above, Serbian lands were dominated by compression and tension (I hope I 'm right). Korea was also covered in Blue which stands out for compression. After finishing this, I kind of felt that, Korea and Serbia might have relationship among the lands (guess so). In conclusion, the map suggests that many stresses can collapse.



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