Geologic map and coloration facies of the Jurassic Navajo Sandstone, Snow Canyon State Park and areas of the Red Cliffs Desert Reserve, Washington County, Utah (OFR-561) Fire Pages: 179 p

Pages: 179 p

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Geologic map and coloration facies of the Jurassic Navajo Sandstone, Snow Canyon State Park and areas of the Red Cliffs Desert Reserve, Washington County, Utah (OFR-561) Fire Pages: 179 pBy: G. B. Nielsen and M. A. Chan This report describes diagenetic coloration patterns and associated structural features in the Jurassic Navajo Sandstone of Snow Canyon State Park and vicinity, southwestern Utah. The Navajo is characterized by a broad diversity of colors related to iron oxide cementation and fluid diagenesis. Diagenetic coloration facies and other geologic features are mapped at a 1: 10,000 scale. Mapped units include four major