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Ammonite inside a limestone rock. The ammonites where living between 409 and 65 million years ago (Mya). The image was captured in the canton of Aargau (Switzerland).
Ancient fish fossils are on a rock
Keichousaurus hui sauropterygian fossil from China
fern fossil
Fossilized remains of ancient marine life creating an interesting natural pattern on a rock surface
Bryce Canyon National Park in Utah
Millions of Years Old Bird Fossil
Limestone with imprints of ammonites. Jurassic period. background, texture Soft focus selective focus.
Small slate rock with fossil on it slightly cracked in small girls hand. Kilve beach, ammonite fossil. Bristol Channel, close up.
Amphitheater At Bryce Canyon National Park In Utah from Bryce point viewpoint. USA
Beautiful fossil of some sort of dinosaur reptile from Madagascar, isolated on a white background
Abruzzo, Italy: fossil shells enclosed in the sedimentary rocks of a mountain river in the Gran Sasso Monti della Laga National Park, sign that the mountain range was once submerged
Photo of Dinosauro Antonio, Tethyshadros insularis
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
fossil trilobite imprint in the sediment Backlit by lamp.
Fossils of marine life.Ammonite fossils
The discovery of ancient fossils of large shells in the rock. Traces of Ammonite shell in the stone
panoramic view of Amphitheater At Bryce Canyon National Park In Utah. USA
Solnhofen Limestone with Subplanites sp. Ammonite fossil
Badlands are a particular type of rock formation found in arid regions around the world.  These formations require poorly consolidated rock and infrequent but torrential rain.  The soft rock allows large quantities of water to channel down gullies, carrying away sediment.  Bentonite clay within these formations can swell up with moisture.  As the clay dries it shrinks and cracks, creating a surface resembling the skin of an elephant.  Beneath the surface, an intricate maze of natural pipes and spaces form within the badlands.  This hidden plumbing appears on the face of the badlands as dimples, sinks, slumps and seeps.  As erosion continues, new features including caves and natural bridges can form.  Badlands often take on varied colors giving the formations a banded appearance.  These colorful badland formations were at Blue Mesa in Petrified Forest National Park near Holbrook, Arizona, USA.
Small slate rock with fossil on it slightly cracked in small girls hand. Kilve beach, ammonite fossil. Bristol Channel, close up.
Late fall in Bryce Canyon National Park, Utah, USA. Extra-large high resolution stitched panorama.
fossil of Ammonite in the stone on white, isolated
Panorama photo from Jeffreys Bay in South Africa
Large round red concretion on the horizon at Red Rock Coulee near Seven Persons, Alberta, Canada
Devonian cronoid fossils in limestone matrix. Largest is about 1/4\
Ammonite
Ammonite Fossil preserved in the rocks mined from the reserve found in the Middle Atlas Mountains of Morocco
Red Deer River Canyon of Alberta in Canada
Stone slab with many oceanic fossils. The town of Erfoud is recognized as a center for fossil collectors.  The area is surrounded by quarries of fossils.
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