Picture of the Day

Patterns in Sandstone

January 9, 2022   ―-  Archive

License: Creative Commons Attribution 4.0 International License.

These patterns in sandstone are found at Heil Valley Ranch in Boulder County, Colorado. The sandstone here ranges in age from 100 to 250 million years.

Equipment used: Nikon Coolpix 2000, E2000.

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Authors: Richard Hollos and Stefan Hollos