Earth Textures: Patterns in stone

Challenge #2 in the Discovery: New perspecitves on the familiar series. Hosted by ebishop.
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Patterns of geology, rock outcroppings, or even photomicrographs. The earth produces many different kinds of patterns, from columnar jointing to layered strata, and sand dunes. No plants, please, or animals. Just rocks. (Glacial ice, and sand dunes or other sedimentary deposits are also permitted.) No landscape shots--just images that show abstract geologic patterns at any scale.
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phase has
162 entries
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4382 votes
Ksar on the rocks...
Found in Namibia
Old Ice
Park Avenue, Arches NP
Valley of Fire
Rugged Red Rocks
Powell Rock
Koněprusy Caves
Stone Rings
Creature in the rock
Rock Colors
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Sample entries
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Rills, Owyhees
Painted Hills patterns
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