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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.
Aerial View
Fossils from the Devonian period are embedded into the limestone at the Falls of the Ohio State Park in Indiana
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).
Exposed cliffs of sand by the side of Mississippi river in October 2023
Ammonite fossils in rocks on the beach between Lyme Regis and Charmouth. In the foreground is a large rock with an eroded ammonite impression.
Fossilized remains of ancient marine life creating an interesting natural pattern on a rock surface
Sandy soil cross section
Textured background of rocks of different sizes and sea water on a rocky beach in South Sinai in Egypt, Selective focus of stones on the shore of the red sea at the daylight in summer
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.
Fossilized stone at World Heritage SIte Joggins Fossil Cliffs, Nova Scotia, Canada.
View of the formations left by wind and rain of the Badlands located at Davutoglan Wildlife Development Area, Turkey.
Texture of the yellow limestone on the coast in water closeup
Close-up of stone pier covered with algae. With copy space. Shot with a 35-mm full-frame 61MP Sony A7R IV.
Exposed parched riverbed of the Elbe River in Magdeburg, Germany during severe drought in summer
Unique sandstone formations along the shoreline of Hornby Island, a popular travel destination along the west coast of Canada.
Oyo river in the area Gunungkidul Yogyakarta is one of the chalky white river in its banks are formed due to sedimentation
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.
ZAPORIZHYA, UKRAINE - JUNE 17, 2023: View of the hills and debris from the bottom of the dried up river Dnieper in Ukraine. Technogenic disaster in Ukraine. River after the explosion of the Kakhovskaya hydroelectric power station
Marine mammal bone (Cetacea) and other fossils outcrop on the beach at Capitola City Beach, California, USA.
dried mud at Muddy Vulcanos located in Buzau County, Romania, a National Landmark, Gas bubbles coming out a mud volcano. Paclele mici and Paclele Mari
Ammonite fossil in limestone
Arid landscape with mud rivers formations in Romania. This is a unique geological phenomenon in Europe where the earth gas reaches the surface through hills making small mud volcanoes and a remarkable landscape.
Closeup Rocky beach with tide pools, nature abstract background with copy space, full frame horizontal composition
Scenic natural rock formation at the Pelican Point, Crystal Cove Beach, Newport Coast, Newport Beach, Southern California
Sea water on the coast of Guinea Bissau
Magdeburg, Germany - August 1, 2015: People in the dry riverbed of the Elbe near Magdeburg
An Ammonite inside a limestone on an agricultural field. The ammonites where living between 409 and 65 million years ago (Mya).
Magdeburg, Germany - July 08, 2018: Strollers on the Cathedral-Rock in Magdeburg. The rock is usually located under water and is visible only under heavy drought.
Medicinal water spring in the rock in the open air
Free Images: "bestof:Fossil beds on the Ohio River.JPG Fossil formations at the shores of the Ohio River in Clarksville Transferred from http //en wikipedia org en wikipedia;"
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