Day 49

Trip Start Mar 17, 2010
1
42
58
Trip End May 21, 2010


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Flag of United States  , Utah
Wednesday, May 5, 2010

Day 49: Truth or Consequences to Monument Valley
Total - 900km

Monument Valley is in the Colorado Plateau characterized by a cluster of vast and iconic sandstone buttes, the largest reaching 1,000 ft (300 m) above the valley floor. It is located on the southern border of Utah with northern Arizona (around 36░59′N 110░6′W). The valley lies within the range of the Navajo Nation Reservation. The Navajo name for the valley is TsÚ Bii' Ndzisgaii (Valley of the Rocks). The floor is largely Cutler Red siltstone or its sand deposited by the meandering rivers that carved the valley. The valley's vivid red colour comes from iron oxide exposed in the weathered siltstone. The darker, blue-gray rocks in the valley get their colour from manganese oxide.

For those really into geology…the buttes are clearly stratified, with three principal layers. The lowest layer is Organ Rock shale, the middle de Chelly sandstone and the top layer is Moenkopi shale capped by Shinarump siltstone. The valley includes large stone structures including the famed Eye of the Sun.
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