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Close up of a multitude of fossil crinoids
Marine fossil embedded in the gray stone, Jabal Akhdar region, Oman
Ancient plant fossils are on a rock
Close up of an un-identified plant fossil.
Fern in the rainforest, typos on the stone, ancient fossil.
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.
Primitive Living Fossil
Fossil Fern / Odontopteris sp.350 million years ago
Fossil leaves of ferns petrified and highlighted on the surface of a rock
Fossil Fern inside carbon rocks. The image was captured in the Swiss Alps.
Stone texture background, natural surface, Closeup granite background, Rock texture background, Marble texture background
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
Fossil in the side of a cliff. A single jellyfish fossil is visible, it is very weathered and worn.
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.
Fossils in Penha Garcia historic village, in Portugal
Round stones at a beach in South Africa
Manganese crystal dendrite on a sandstone bedding plane
Surinam, Savanne District, Mauritius: onion-skin weathering, due to drastic changes in surface temperatures - layers of magma in concentric spheres on the outside of a boulder.
Fragment of rock with fossilized plants or sea creatures, showing intricate patterns in shades of brown and gray. The surface is textured, with the fossils embedded and preserved in the rock matrix.
Fossil crinoid close-up (Echinodermata). The Image shows the crown of the marine animal.
Weathered sandstone rocks with patterns in them on the coast
Ancient rock strata in  Karijini National Park, Western Australia.
A close-up image of the weathered and textured surface of a natural stone material, which is composed of a mottled mix of gray and brown tones, interspersed with small gravel and stones that are scattered across the uneven and weathered surface.
Brachiopod fossil cast in ancient sandstone with orange lichens
weathered rough surface of the rock, textured effect
Marble Texture Background With Copy Space
Granite texture
Ancient black rocks on the coast at Lai Chi Chong, a significant geosite with various rock types, including the rare volcaniclastic sedimentary rock, formed around 146 million years ago from falling volcanic ash that was mixed with silt and other organic deposits. It is a favourite destination for rock lovers with the only Permian stratum in Hong Kong.
sperm cell function and structure
Rustic stones, corroded textures, colorful and interesting backgrounds and charming textures, used for web design and abstract backgrounds
Free Images: "bestof:Haplophrentis Burgess Shale.jpg en Haplophrentis carinatus from the Stephen Formation Burgess Shale Middle Cambrian Burgess Pass British Columbia Canada"
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