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Devonian fossils in limestone matrix include bryozoa, crinoid, and brachiopod fossils. Largest pieces are about 1/2 inch (10 mm). Fossil and Prairie Park Preserve, Silos and Smokestacks National Heritage Area, Rockford, Iowa, USA.
In the petrified bed of a river in San Juan Raya, within the Tehuacan-Cuicatlan Biosphere Reserve, state of Puebla, the petrified footprints of dinosaurs that lived here in the Jurassic were found, specifically these of carnivorous theropods. They are marked with river stones to be able to identify them.
An eroding rock with fossil inclusions surrounded by beach rock swash deposits. These types of rocks are fairly common to find on NW USA beaches for those with a keen eye.
Fossil Shells on a sandstone rock. The image was captured in Switzerland (Lucerne).
Ammonite fossil trace in Torcal de Antequera, Andalusia, Spain
fern fossil
The Beltany stone circle is a megalithic monument located near Raphoe in County Donegal, Ireland. It is one of the largest stone circles in Ireland, consisting of 64 stones surrounding a raised platform. The circle dates back to the late Bronze Age or early Iron Age, making it over 3,000 years old.
Close-up shot of a prehistoric creature.
Big Fossil Ammonite mollusk shells on sea shore pebbles
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
fossil trilobite imprint in the sediment Backlit by lamp.
A stone full of Nummulites. Similar stoes can be found at different places in the swiss alps. Often next to rivers and lake sides.
Ichnites or fossilized footprints of dinosaur. El Portillo, Munilla, La Rioja, Spain.
Ammonite nautilus fossil embedded in a rock
Ruined Old Sarum, the site of the earliest settlement of Salisbury, Wiltshire, South West England, UK
The Giants Causeway is an area of about 40,000 interlocking basalt columns, the result of an ancient volcanic fissure eruption. It is located in County Antrim on the north coast of Northern Ireland, about three miles northeast of the town of Bushmills. The tops of the columns form stepping stones that lead from the cliff foot and disappear under the sea. Most of the columns are hexagonal, although some have four, five, seven or eight sides. The tallest are about 39 ft high.
Natural background of hexagonal basalt columns in Icelandic national park Jokulsargljufur
A rocky coastline in the Cape Province, South Africa
Victorian coastal feature
Marine mammal bone (Cetacea) and other fossils outcrop on the beach at Capitola City Beach, California, USA.
Series of rock formations interspersed with sea water, and the Atlantic Ocean in the background. Sakoneta Flysch, Deba, Gipuzkoa, Basque Country, Spain.
In the petrified bed of a river in San Juan Raya, within the Tehuacan-Cuicatlan Biosphere Reserve, state of Puebla, the petrified footprints of dinosaurs that lived here in the Jurassic were found, specifically these of carnivorous theropods. They are marked with river stones to be able to identify them.
Limestone pavements at the top of Malham Cove, Yorkshire Dales, England
Rapa Nui. Petroglyphs on Easter Island, Chile, South America
Swarthmore, USA - April 8, 2023. Steps of Swarthmore college amphitheater, Pennsylvania, USA
Detail of an ammonite fossil in Torcal de Antequera in Malaga, Spain, an impressive karst landscape of unusual limestones landforms
A rocky coastline in the Cape Province, South Africa
Shellfossil 75 million years in Krabi province of Thailand
Ground granite rock with two groups of concentric circles, Pena de Chaos petroglyphs decoration and ancestral art , Antas de Ulla, Lugo province, Galicia, Spain, set in early Bronze Age. Petroglyphs are of public free access.
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