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Petrified fossil stromatolite (cyanobacteria, blue-green algae)
This is a photograph of natural mineral formations at a geothermal site..Morocco South Africa,Nikon D3x
Shades of Travertine: Color Changes and Shape Transformations
Background in Kaklik Cave at Denizli
The columns in the water from Limyra, which  was one of the oldest and most prosperous in Lycia; it gradually became one of the most flourishing trade centres in the Greek world, Antalya, Turkey
Limestone natural water and rock relief in foreground of Azure Window in Gozo, Malta.
Stones and algae in calm sea water
Stoneware with abstract shapes from the crystallization of volcanic rock create unique in the natural world that people have not discovered yet.
Paiva beach - Pernambuco/BR\nSet.2022
Volcanic rock details in Tenerife Canary Islands
Stromatolites at Lake Thetis, Cervantes, Western Australia. Stromatolites, are the oldest living lifeforms on our planet
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.
Closeup of the rare stromatolites, oldest living marine fossils, in the Lake Thetis coastal waters in Western Australia.
Natural ecology, stone, rust, texture, background, abstract, plain stone, rock, building material, shape, solid, marble, granite, sea stone, wall, floor, stone wall, color, nature, simplicity
Stromatolite fossils in Gyeongsan, Korea
Rocky shore at Deep Water Bay. The bay is located on the southern shore of Hong Kong Island in Hong Kong. The bay is surrounded by Shouson Hill, Brick Hill, Violet Hill and Middle Island.
mossy stone and lake texture background in nature. nature background
A spiral pattern on a statue
underground hot water source and the colors and changes in the stones on the ground
A post apocalyptic landscape.
Water flowing over stones near the shoreline of Lake Ontario.
Fossil of spong coral on white isolated background
Hamelin Pool Marine Nature Reserve in the UNESCO World Heritagelisted Shark Bay in Western Australia, living marine stromatolites - monuments to life on Earth over 3,500 million years.
Marble texture background with high resolution.
Shallow clear waters with rocks just under the surface.
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.
Stromatolites in Lake Thetis in Cervantes, Western Australia, rare living fossil of layered sediment in saline marine water.
Natural ecology, stone, rust, texture, background, abstract, plain stone, rock, building material, shape, solid, marble, granite, sea stone, wall, floor, stone wall, color, nature, simplicity
Various small marine life crustaceans  growing on rock formations at the sea shore in Lorne, Victoria, Australia
Twisted rock strata
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