Jack Dykinga / Petrified sand dune sandstone formations with eroded stratified patterns, looking into the Vermilion Cliffs National Monument, Arizona, USA. November.
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Jack Dykinga / Sunset at Yaki Point on the South Rim with stratified rim rocks and minute storm clouds inside the canyon below, Grand Canyon National Park, Arizona, USA.
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Duncan Murrell / Stratified cliffs of sandstone, river gravel, pumice and silt, originally deposited between 300,000 to 1 million years ago at Cape Kidnappers, Hawke's Bay, North Island, New Zealand.
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Nick Hawkins / Stratified rock layers, Joggins Fossil Cliffs UNESCO World Heritage Site, Bay of Fundy, Nova Scotia, Canada. May 2017
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Nick Hawkins / Erosion on stratified layers containing fossils at Joggins Fossil Cliffs and UNESCO World Heritage Site, Bay of Fundy, Nova Scotia, Canada. May 2017
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Nick Hawkins / Stratified rock layers at Joggins Fossil Cliffs UNESCO World Heritage Site, Bay of Fundy, Nova Scotia, Canada. May 2017
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Nick Hawkins / Tourists observe the stratified rock, Joggins Fossil Cliffs UNESCO World Heritage Site, along the shore of the Bay of Fundy, Nova Scotia, Canada. May 2017.. May 2017.
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Jack Dykinga / Brilliant storm sunset over the boulders at 'Balanced Rock' illuminating the sky over the Salt Valley Wash, Utah, USA
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Jack Dykinga / Desert varnished sandstone walls with fractured and brilliantly banded canyon wall, North Wash Glen Canyon Recreation Area, Utah, USA
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Jack Dykinga / Storm clouds over Balanced Rock, Arches National Park in sunset light, Utah, USA
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Jack Dykinga / Ponderosa pine tree (Pinus ponderosa) growing through eroded sandstone, Great Basin Desert, Zion National Park, Utah, USA
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Jack Dykinga / Metate Arch, Grand Staircase-Escalante National Monument with moonlight illuminating the arch under stary sky, Great Basin Desert, Utah, USA
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Jack Dykinga / Nankoweap Graineries with Colorado River winding through canyon below, Grand Canyon National Park, Arizona, USA
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Jack Dykinga / Sunset light over the Atacama Desert with the Andean Mountain Range on the horizon with 6000 meter high volcanos. Near San Pedro de Atacama, Chile, April 2009
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Merryn Thomas / Snow in gorge, Dades Valley, Atlas Mountains, Morocco, November 2008.
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Merryn Thomas / Snow in gorge, Dades Valley, Atlas Mountains, Morocco, November 2008.
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Merryn Thomas / Snow in gorge, Dades Valley, Atlas Mountains, Morocco, November 2008.
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Jack Dykinga / Sunrise on stratified rim rock tower at Grandview Point with meandering Colorado River riffle below, Grand Canyon National Park, Arizona, USA.