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Chapter 1
Chapter 1: Paleogeography
Question | Answer |
---|---|
What is the area deep below active margins with subduction? | benioff zones |
What are the two uppermost layers of mantle and which is the outermost of the two? | lithosphere is outermost and also is in crust, while asthenosphere is flowing layer below the lithosphere |
What plate includes the Hawaiian islands? | pacific plate |
What is causes a hot spot? | a mantle plume |
What is the point on the surface directly above an earthquake? | epicenter |
Where is the "moho" boundary found? | Between the mantle and crust |
which are denser, oceanic or continental crust? | oceanic due to basalt rather than granite makeup |
Who proposed the idea of continental drift? | Alfred Wegener |
Rift valleys are the first stage of what feature on Earth forming? | Ocean basins (Wilson cycle) |
What is the average rate of movement of lithosphere plates? | 1-10 cm/ year |
What plate are the Aleutian islands found on? | N. American plate near the margin with the pacific plate |
What type of fault doesn't destroy any rock? | Transform fault |