Geologic map of the Dewey quadrangle, Grand County, Utah (M-169)

By: H. H. Doelling

The Dewey quadrangle is located on the northeast edge of the salt anticline region of the Paradox basin in east-central Utah. Exposed consolidated formations range in age from Permian to Cretaceous. In ascending order, these units include the Permian Cutler Formation; the Triassic Moenkopi Formation, and Chinle Formation; the Jurassic Wingate Sandstone, Kayenta Formation, Navajo Sandstone, Entrada Sandstone, Summerville Formation, and Morrison Formation; and the Cretaceous Cedar Mountain Formation, Dakota Sandstone, and the Tununk and Ferron Members of the Mancos Shale. Mapped surficial deposits are of alluvial, eolian, mass-movement, mixed eolian and alluvial, and mixed eolian and residual origin.

Other Information:
Published: 1996
Pages: 20 p.
Plates: 2 pl.
Scale: 1:24,000
Location: Grand County
Media Type: Paper Map