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Stromatolites are large, layered structures built up by mats of cyanobacteria. Stromatolites vary in appearance, ranging from slightly wrinkled horizontal laminations in sedimentary rocks to low mounds to prominent mounds to columnar structures and other forms.
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Stromatolites are most common in the
Proterozoic fossil record. They are scarce today, but famous modern examples occur at Shark Bay, Western Australia.
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Stromatolites from the
Precambrian of Australia. (Cranbrook Institute of Science collection, Bloomfield Hills, Michigan, USA)
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Stromatolites (Bitter
Springs Formation, Neoproterozoic, 850 Ma; Amadeus Basin, Australia) 1 (17372243295).jpg
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Stromatolites (Bitter
Springs Formation, Neoproterozoic, 850 Ma; Amadeus Basin, Australia) 1
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Stratigraphy: Bitter
Springs Formation, Tonian, lower Neoproterozoic, ~850 Ma
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and was confirmed to be licensed under the terms of the cc-by-2.0.
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https://live.staticflickr.com/7793/17372243295_a3199feeaa_o.jpg
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Locality: northeastern
Amadeus Basin, central Australia
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