アメリカ内務省のインスタグラム(usinterior) - 7月27日 08時45分

#Zion National Park’s Altar of Sacrifice emerges from the mist. This formation earned its name from mormon pioneers because of its flat top and red streaks running down the side. What gives the appearance of blood is actually created by overlying layers of rock as they slowly erode. Made of mostly Navajo Sandstone, the altar is topped by a formation made of mudstone rich in iron oxide. Every rain storm and snow melt washes a little more of the red stone down the cliff. The Altar of Sacrifice will maintain its striking appearance until there are no longer any overlying layers. Photo @zionnps by Christina Adele Warburg, #NationalPark Service. #usinterior #findyourpark #travel #zionnationalpark

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