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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.

Several flat-topped eroded buttes as seen in the Badlands National Park in South Dakota.

Petrified Wood at Petrified Forest National Park USA with clear blue sky.

Strunjan cliff: .An 80 meters high cliff along 200 meters of the coast, a natural reserve and is the highest flysch cliff in the east part of the Adriatic.

Agate Fossil Beds National Monument is located on the North Western Panhandle of Nebraska.

Ankara, Turkey-October 15, 2011: Clay Hills View in Nallihan. They Are Hills Created By The Wear Of Clay Layers With Different Resistance. Nallihan is a district of Ankara Province.

a rocky mountain with many lines

Abiquiu, NM: Sunlit red-orange mountain cliffs in Abiquiu, 50 miles north of Santa Fe, a local painted by Georgia O’Keeffe. Copy space in the vibrant blue sky.

A large rock formation in a desert. Outdoor. Sky. Nature. Grass. Valley

View of the formations left by wind and rain of the Badlands located at Davutoglan Wildlife Development Area, Turkey.

Colorful mountains of Quebrada de las Conchas near Cafayate, Salta Province, Argentina

Mars Surface

De-na-zin wilderness area, Bisti badlands, New Mexico

ruins of Ancient City of Jiaohe( Jiaohe Gucheng), Turpan, Xinjiang Uyghur Autonomous Region, China.

Xinjiang Uygur Autonomous Region is an autonomous region of the People's Republic of China (PRC) with spectacular alpine scenery and remote deserts bordering Russia Mongolia ande is a popular location for film makers

View of Fairytale canyon (Issyk-Kul, Kyrgyzstan) in winter

Dry river bed in Texas.

$Erosion effects on lake Mungo at Red Top Lookout in Mungo National Park, a protected national park that is located in south-western New South Wales, in eastern Australia. \nThe national park is part of the UNESCO World Heritage–listed Willandra Lakes Region, an area of 2,400 square kilometres that incorporates seventeen dry lakes.$

The Rock formation in the Glen canyon, sandstone formations, USA

Roxborough state park, Douglas County, Colorado, USA: eroded and contorted red sandstone formations - National Natural Landmark.

Sun backlit rock formation hiking on Lighthouse trail en route to Lighthouse rock in Palo Duro Canyon State Park

Late afternoon sunshine on the Walls of China in Mungo National Park, Australia. World Heritage Site

mountain of very red earth eroded by water

Drone shot of the stunning landscape around Catstair Canyon in Grand Staircase Escalante National Monument at sunset.

cracks on the sandy rocks of mountain

A view of a rugged rocky landscape in the US state of Wyoming.

Badly eroded limestone cliffs at Castle Rock Badlands in Kansas rising out of the arid prairie below under a cloudy sky

Winter mountain landscape view without people

Limestone rock and soils of the chalk steppe in Dvorichanskyi National Nature Park, Kharkiv region, Eastern Ukraine

Felsen im Wind

Free Images: "bestof:Cretaceous Formations of the DFW Metroplex.JPG en Cretaceous Formations of the Dallas-Fort Worth Metroplex own Joshua Doubek 2010-01-10 Check categories 2010"

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