Sedimentary rock, for the most part, is created from sediment in large bodies of water. The large land masses that are coated in sedimentary rocks were once the beds of large bodies of water.
2006-11-08 10:42:10
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answer #1
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answered by disposable_hero_too 6
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Sedimentary rock is only produced when very large amounts of water stir up immense amounts of silt, mud and sand. As the water stops churning, the heavier and lighter particles then begin to settle out on the bottom of the water, creating those layers of rock that so easily define sedimentary rock. Each of the particles in the water falls in the order of its weight, with heavier particles settling on the bottom and lighter particles settling on the top. Over the course of time, with water pushing downward, the layers solidify and eventually turn into the rock we know and love. What's most interesting about sedimentary rock is that it is found everywhere on the earth's surface, suggesting that at one point or another, every part of the earth has been covered by water.
2006-11-08 18:44:23
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answer #2
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answered by Divinitus 3
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The tectonic plates that were underwater now form the covering of the continent.
2006-11-08 21:15:41
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answer #3
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answered by Anonymous
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Anytime sedimentry rock is found it indicates that the rock had at one time been underwater. It has since been moved above water by geologic forces such as continental drift.
2006-11-08 18:43:33
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answer #4
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answered by Troy J 3
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