MARINE GEOLOGY. http://www.scribd.com/doc/135191/Volcanic-Island-Formation-in-the-South-Pacific. Geology. Study of the development and physical characteristics of our planet’s seafloor and continents and the forces that shape them How did the oceans and continents form?.
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82 percent of meteorite falls are chondrites
Denser (Fe and Ni) material sunk to the center
Lighter (Si and O) material rose to surface
Some materials vaporized to form early oceans and atmosphere
2. Layers formed
3. Planet cools
2 Types of Crust