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Explore the Wonders of Petrified Forest National Park: Nature's Colorful Masterpiece

Discover the stunning landscapes of Petrified Forest National Park, which vividly showcases the Painted Desert in the north and the mesmerizing petrified logs in the south. This unique park features multi-colored ash layers, volcanic ash, and striking Chinle formations. Experience the beauty of the Blue Mesa region and the fascinating process of differential erosion that reveals resilient petrified logs amidst the soft landscape. Engage with the park's history through ancient pictographs left by Native Americans, a testament to the deep connection between nature and culture.

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Explore the Wonders of Petrified Forest National Park: Nature's Colorful Masterpiece

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Presentation Transcript

  1. Petrified Forest NP GLY 3164, Spring 2006

  2. Park Map • Park is basically two units • Painted Desert is to the North • Petrified Forest is in the south

  3. Multi-Colored Ash Layers • In the Painted Desert Region

  4. Petrified Logs • Volcanic ash is visible in background • Along Straight Logs Trail

  5. Painted Desert Overlook • Spectacular view of the extremely colorful Chinle formation, exposed in the Painted Desert

  6. Painted Desert • Note spacing of vegetation, indicating very arid conditions

  7. Painted Desert View

  8. Colorful Logs • Small amounts of impurities in silica create very colorful displays

  9. Petrified Log Video • Close-up of the log, showing excellent preservation of the log structure • Double-click to play video

  10. Log in the Blue Mesa Region • Blue Mesa is composed of bentonite clay, a weathering product of volcanic ash • Clay is very easily eroded

  11. Blue Mesa Overview • Differential Erosion

  12. Log on Pedestal • In the Blue Mesa Region

  13. Lithodendron Wash • Small objects in the basin are petrified logs

  14. Petrified Logs • Differential erosion uncovers the locks, because they are much more resistant to weathering than the soft Chinle formation in which they are found

  15. Petrified Log in Painted Desert • Log has helped to preserve the easily eroded ash underneath it

  16. Agate Bridge • Agate bridge has now been supported by the NPS to protect it, but originally spanned a small dry wash

  17. Giant Logs • Along the Giant Logs trail

  18. Broken Log • Many large logs break at regular intervals

  19. Petrified Forest Logs • Montage of video clips

  20. Newspaper Rock • In the Painted Desert section • Rock writing was sometimes used to leave messages

  21. Pictoglyphs • Rock is dark colored because of desert varnish • Scraping rock reveals the true rock color, and makes writing or drawing possible • Many such writings were left by prehistoric Native Americans

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