File:Navajo Sandstone (Lower Jurassic) (north of Bootlegger Canyon, Utah, USA) 3.jpg

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English: Sandstones in the Jurassic of Utah, USA.

These are eolian sandstones of the Navajo Sandstone, a thick, Mesozoic-aged unit representing ancient sand dune deposits. The Navajo is a prominent cliff-forming unit in much of western America. Laterally-equivalent units are known by other names, but are all the same deposit: Glen Canyon Sandstone, Nugget Sandstone, and Aztec Sandstone.

The rails are part of Union Pacific Railroad's Cane Creek Branch, a section of tracks built in 1964 that extends a few dozen miles from Crescent Junction, Utah and ends at the Intrepid Potash Mine (see: www.flickr.com/photos/rwolf/49282884778). The mine produces potassium chloride from the Pennsylvanian Paradox Formation, a deep subsurface, evaporite-rich unit.

Stratigraphy: lower Navajo Sandstone, Glen Canyon Group, Lower Jurassic

Locality: railroad cut next to Corona Arch Trail, just north of Bootlegger Canyon & just east of the Colorado River, west of the town of Moab, eastern Utah, USA (38° 34' 28.11" North latitude, 109° 37' 52.58" West longitude)
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Source https://www.flickr.com/photos/47445767@N05/52475235322/
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/52475235322. It was reviewed on 7 November 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

7 November 2022

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