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Potato Chip Rock, Mount Woodson near San Diego, California
Palo Duro Canyon State Park, Texas, USA: eroded cliff side - Geologic time periods marked by major changes in the fossil record - rock strata covering the Permian age, Triassic age, Miocene-Pliocene age and at the top the Quaternary age - this cliff includes the Permian-Triassic (P-T) extinction boundary, colloquially known as the Great Dying, that took place about 248 million years ago. The extinction was caused by climate change. The main cause of extinction was the vast amount of carbon dioxide emitted by volcanic eruptions that created the Siberian Traps, which elevated global temperatures and acidified the oceans. Geological time scale, part of the Caprock Escarpment - Texas Panhandle.
Diverse sedimentary rocks and clay washed out by water. Petrified Forest National Park, USA,  Arizona
The chalk and sandstone cliffs are constantly being eroded and collapsing on to the beach.  This shows the different coloured rock strata and a pile of collapsed rocks on the beach.
Red rock formation as background.
Tourist attraction in Sicily - Scala dei Turchi (Stair of the Turks) in Italy. Photo without tourists. Clear blue sky and clear water. Shot in summertime.
Sandstone walls on the coast weathered from being washed out
Rugged terrain in the Garden of the Gods in Colorado Springs, Colorado, western USA of North America
Red and white cliffs at the Hunstanton Beach, Norfolk, England
Texture of seaside stone
Point Lobos State Natural Reserve just south of Carmel-by-the-Sea, California, United States, and at the north end of the Big Sur coast of the Pacific Ocean
Rocks by the sea
White and brown limestone mountain, layered rock, natural stone near Mediterranean Sea in Gargano, Italy. Background, close-up
Fossil sandstone sand dunes from the Najavo Sandstone Formation of Jurassic age. Grand Staircase - Escalante National Monument, Utah
Dry Lava Basaltic Rock Stone Texture Background
Aerial view of canyons in Monument Valley, Arizona, USA.
Several layers running down limestone cliff towards the sea, with varying degrees of erosion. Pfoto taken in Cyprus
Massive, tall white sandstone rock formations in the Garden of the Gods of Colorado Springs, Colorado in western USA of North America.
Cliffs Rock Walls Torrey Pines State Reserve South Beach
The chalk and sandstone cliffs are constantly being eroded and collapsing on to the beach.  This shows the different coloured rock strata and a pile of collapsed rocks on the beach.
Rocky sea shore and blue sky on sunny  day. Seascape, Mediterranean coastline, layers of rock and stones
Ancient rock strata in  Karijini National Park, Western Australia.
Guadalupe Mountains National Park, Texas
Textures and cracks of naturally weathered seaside rocks
Dry Lava Basaltic Rock Stone Texture Background
Crumbling sandstone in Garden of the Gods in Colorado Springs, Colorado in western USA of North America.
red rock wall, the detail of the Kings Canyon  rock, Outback, Australia
Summer in Spain along the country road many fields and cattle and pigs in the pastures
Pink cliffs seascape blue sky white clouds.
Rock formations at Cannonball Concretions in Theodore Roosevelt National Park, North Dakota, USA
Free Images: "bestof:Concretion Point Loma Fm1.jpg Concretion within the Point Loma Formation Sunset Cliffs Point Loma California Taken 2005 2009-12-19 Own <br />Transferred from"
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Sunset Point near Delphi.jpg
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