Guy Edwardes / Natural Rock Pattern, Northumberland Coast, England
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Floris van Breugel / Colorful layers of rock on the inside of Mount St Helens' crater, seen from the rim. Washington, USA. May 2013
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Jouan Rius / Sandstone formations in Goblin Valley State Park, Utah, USA November 2012
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Jack Dykinga / Eroded Aztec sandstone, dating back to the Jurassic, 160 million years ago, colourful banding with fins and dikes produced by erosion, Mojave Desert near Las Vegas, Nevada, USA
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Konrad Wothe / Ochre quarry of Roussillon, Languedoc-Roussillon, Provence, Southern France, April 2006
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Michel Roggo / Underwater landscape in Verzasca River, Ticino, Switzerland, September
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Wild Wonders of Europe / Jensen / Mountainous landscape near Qullissat, Greenland, August 2009
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Jack Dykinga / Patterns on the walls of a slot canyon on the Navajo Indian Reservation, Antelope Canyon, Arizona, USA
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Jack Dykinga / Patterns on the walls of a slot canyon on the Navajo Indian Reservation, Antelope Canyon, Arizona, USA
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Jack Dykinga / Patterns on canyon walls with "tumbleweed" wedged between strata of a slot canyon on the Navajo Indian Reservation, Antelope Canyon, Arizona, USA
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Jack Dykinga / Petrified sand dunes with eroded cross hatch sandstone strata at dawn, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA with first winter snow and Juniper bushes {Juniperus osteosperma}
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Jack Dykinga / Mexican Hat, a caprock formation against eroded strata, Colorado Plateau, Great Basin Desert, USA, October 2018.
