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Search "Seafloor spreading"
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Seafloor spreading: Age of oceanic crust. Youngest crust is along spreading centres. |
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Seafloor spreading | |
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About 5 pages (1,600 words) in 3 products |
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Encyclopedia and Summary Information
summary from source:
 Sea-Floor Spreading Summary
420 words, approx. 1 pages Earth's surface is composed of two kinds of crust, continental and oceanic. Most continental crust is over 3 billion years old, while virtually all oceanic crust is less than 180 million years old. Oceanic crust is young because it is... summary from source:
 Seafloor spreading Information
1,134 words, approx. 4 pages
Seafloor spreading occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge. Seafloor spreading helps explain continental drift in the theory of plate tectonics. Earlier... 
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Seafloor spreading | |
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About 5 pages (1,600 words) in 3 products |
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