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Oceanography 1 RCHS

Oceanography information

QuestionAnswer
What are the three regions of the continental margin in order from the beach outward? continental shelf, continental slope, continental rise
What is the area deep below active margins with subduction? beinoff 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 aethenosphere is flowing layer below the lithosphere
What plate includes the Hawaiin islands? pacific plate
What is another term for a hot spot? mantle plume
What is the point on the surface directly above an earthquake? epicenter
Where is the moho layer found? Between the mantle and crust
which are denser, oceanic or continental crust? oceanic due to basalt rather than granite makeup
Who came up with plate tectonic theory? 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
Created by: whames4
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