Valley of Fire
Aztec sandstone at the Atlatl Campground in Valley of Fire State Park at 29450 Valley of Fire Hwy near Orverton, Nevada on October 17, 2025. The blue color is called desert varnish--a natural film made of clay minerals, manganese oxide, and iron oxide that gradually forms on rock surfaces in arid environments over thousands of years.
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Copyright 2025 Glenn Nagel
