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Unformatted text preview: o Hints that Venuss rocks are basalt rocks Rocky Planets (including the Moon): o All have high land and low land rocks o Rocks that are above the water and mainly granite rock and the rock below the water are mainly basalt rock o Plates are constantly moving Atlantic is getting bigger by an inch each year Moon high/low land rocks: o High land rocks are lighter then low land rocks (can see pattern on the Moon) o High land rocks is about 100s of millions of years older then the low land rock Can tell the difference because of the amount of cratering Cratering stopped in out solar system about 3.5 billion years ago Tectonics: o Plates moving over molten rock o Can see scarps to indicate movement of plates o Stress fracture occur when there has been stress in two different directions o Europas dark ice is a little bit younger then the white ice because the dark ice indicates plate tectonics...
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This note was uploaded on 04/01/2008 for the course ASTRO 10 taught by Professor Norm during the Fall '06 term at University of California, Berkeley.
- Fall '06