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Delicate Arch is one of the icons of the American West. Two other arches are visible in this panorama; all are cut in the Jurassic Entrada Sandstone. In the initial image the La Sal Mountains are visible behind Delicate Arch; these peaks are middle Tertiary intrusive rocks younger than all the other rocks in the region. July, 2006.
C. H. Jones | CIRES | Dept. of Geological Sciences | Univ. of Colorado at Boulder
Last modified at November 11, 2010 8:33 AM Monday, July 17, 2006 9:24 PM