Sandstone Speleothem | ©2014 David Allio
The weathering process on Aztec Sandstone in the Mojave Desert has resulted in a variety of naturally sculpted forms, including this Sandstone Speleothem in southern Nevada.
Camera: iPhone 5s | Focal Length: 4.1mm | Exposure: f/2.2 – 1/30th – ISO 32
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