Geology Project - freezes without time for crystal growth....

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Leaf Fossil- in sedimentary rock, within the different layers Oxidation- oxygen got into these rocks and caused them to rust and turn orange
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Petrified Wood- caused by wood being buried in sediment. It is turned to rock due to lack of oxygen and minerals it obtains Petrified Forest in Vantage, WA
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Basalt Rocks- extrusive volcanic rocks that cool rapidly, are fine-grained, and very common Moscow, Idaho
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Obsidian- an extrusive igneous rock. It is produced from lava that cools rapidly and then
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Unformatted text preview: freezes without time for crystal growth. Yellowstone, Montana High Porosity- the lava that formed this rock had a lot of gases causing porosity Breccia formed by a volcano Yellowstone, Montana Sandstone- a sedimentary rock composed of sand size mineral or rock grains. The Snake River Slump- a form of mass wasting when loosely consolidated materials move down a slope. It is a very slow type of mass wasting and sometimes moves centimeters or millimeters a year The Snake River...
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This note was uploaded on 04/08/2008 for the course GEO 101 taught by Professor Wilkie during the Spring '08 term at Washington State University .

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Geology Project - freezes without time for crystal growth....

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