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Field Assignment


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Geology 103 Field Assignment

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Field Assignment

  1. 1. West Shore of Lake Tahoe <br />By: Christian Simental<br />Geology 103<br />07/23/2011<br />
  2. 2. Location<br />Taylor Creek & Tallac Historic Site<br />Both located off oh Hwy 89<br />USDA Forest Service Land<br />Tons of Resources & History Found in Both Locations<br />
  3. 3. Trails<br />Rainbow Trail & Tallac Site Trail<br /><ul><li>Half a mile walk - 1 mile of both </li></ul>on paved ground. paved and flat<br /> dirt roads.<br />-Underground <br />water chamber. - 3 historic estates <br /> built in 1800’s - 1900’s <br />
  4. 4. Observations<br />Volcanic Peak<br />Mt. Pluto Elevation: 8,617 ft.<br />Changes/Facts:<br /><ul><li>Mt. Pluto is an extinct volcano and was active back 2 million years ago
  5. 5. Was one of the volcanoes that helped form the Lake Tahoe Basin</li></li></ul><li>Observations<br />Plants<br />Bull Thistle Non-Native<br /><ul><li>Known as the Bull Thistle
  6. 6. Not native to the basin
  7. 7. Very similar to the Anderson Thistle which is native to basin
  8. 8. Stem can be as long as 2 to 5 ft. long</li></li></ul><li>Observations<br />Granite Rock<br /><ul><li>These rocks are found almost everywhere you look around the sites
  9. 9. Common occuring type of intrusive and igneous rock
  10. 10. Are formed by slowly cooling pockets of magma that were trapped beneath earths surface.</li></li></ul><li>Observations<br />Metamorphic Rocks<br /><ul><li>Metamorphic Rocks begin to form at 12-16 kilometers under the surface
  11. 11. Deformed & Chemically changed due to different temperatures and pressures.</li></li></ul><li>Observations<br />Horse Tail<br />-Horse tail has been here since the dinosaurs<br /><ul><li>Can measure up to 30 meters tall
  12. 12. Site is covered with them</li></li></ul><li>Observation<br />Jeffrey Pines <br /><ul><li>Trees around site are about 400 years old
  13. 13. Dangerous for the basin when fire is occurring
  14. 14. Were not clear cut when the comstock lode. </li></li></ul><li>Resources<br />“Facts about Lake Tahoe”. Lake Tahoe Data Clearing House. Web. <br />Forest Service. “US Forest Service”. Web. 24 July 2011. <br />Sierra Nevada Virtual Museum. Web. 24 July 2011. <br />