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Aerial view showing faults associated with the northeastern side of the Yellowstone caldera. The view is looking south. Mirror Lake fills a depression (sag pond) formed by uneven settling of the ground along one of the faults. The low area between the large fault scarp in the sunlight and the next fault scarp to the right is a graben- a depression between two oppositely facing faults. The snow-covered Absaroka Mountains are visible in the far distance; Yellowstone Lake is visible in the upper right of the photo. Access to this remote part of Yellowstone National Park requires special permission. Photograph by Bob Smith, University of Utah in 1992. |
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View toward the east of outermost fault associated with the northeastern side of the Yellowstone caldera, taken from the top of a fault scarp on the west side of a graben that lies between the faults. The fault scarp in the photo is about 30 m high; note person on horse for scale. Lava Creek Tuff is exposed on the scarp, but glacial deposts mantle the graben surface. Photograph by Bob Smith, University of Utah, 2001. |
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| U.S. Department of the Interior | U.S. Geological Survey URL: http://volcanoes.usgs.gov/yvo/gallery/mirrorlake.html Contact Information: YVO Web Team Last Modification: Thursday, March 17, 2005 (dyv) |
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