Free Images - SnappyGoat.com- bestof:Pottsville Formation Worlds End.jpg Pottsville Formation in a rock city at Worlds End State Park Pennsylvania Sandstone and conglomerate Rock hammer for scale

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A view of the granite dome, Enchanted Rock, at Enchanted Rock State Park outside of Fredericksburg, Texas.

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.

Waterfalls, landscapes and curiosities of São Thome das Letras - MG

Summer scenery at Theodore Roosevelt National Park, North Dakota, USA

Makoshika State ParkMakoshika State Park

Grand Canyon

Falls Park quartzite stone walls and trees in Sioux Falls, South Dakota, USA

Huge sandstone formations in Garden of the Gods of the Pikes Peak forest in Colorado Springs of western USA in North America.

In Window Rock, Az is where the seat of the Navajo Nation sits, this is one of the rocks near Window Rock.

The “Kissing Camels” formation at Garden of the Gods Park in Colorado Springs, Colorado, USA.

People enjoying the views at Pildappa rock, wave rock in Australia, waterholes on top of the rock. Wide angle picture from above. Eyre Peninsula, Gawler ranges, South Australia's granite country

Isalo National Park, unusual rock shape known as Lady Queen of Isalo, also depicted on 1000 Ariary banknote, clear blue sky, Madagascar

Palo Duro Canyon State ParkPalo Duro Canyon State Park

Beautiful landscape from the top of Bear Mountain in New York

Rock City Kansas

Rugged terrain in the Garden of the Gods in Colorado Springs, Colorado, western USA of North America

Verde river valley and distant red rock mountains

For some reason this land formation at Providence Canyon State Park (Lumpkin, Georgia) reminds me of the bow of the Titanic.

Rock formation at Colorado National Monument, Colorado, USA

Cross bedding in the Entrada sandstone; a Triassic/Jurassic rock formation formed by aeolian transported sand which resulted into dune deposits over geologic time, Kanab, Utah, USA

$China,Henan province, Xingxiang city,Hui county,Shayao township,\nThe Southern Taihang mountains Grand Canyon.\nHere is \$

Petrified Dunes in Snow Canyon State Park, Utah_0856

Tall sandstone formations in the Garden of the Gods in Pikes Peak National Forest, a park in Colorado Springs, Colorado in western USA.

hiking down in the deep and narrow weano gorge in karijini national park, western australia

Natural rock surface texture background

Scenic detail from Red River Gorge in the Daniel Boone National Forest.

red rock wall, the detail of the Kings Canyon rock, Outback, Australia

Diverse sedimentary rocks and clay washed out by water. Petrified Forest National Park, USA, Arizona

Beautiful stream in the Stara Planina mountain massif, Kovani Dol, in the south-eastern Serbia.

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