File:Inzeria tjomusi (stromatolite) (Neoproterozoic, 850 Ma to 1 Ga; Bashkiria, Russia) (41559659220).jpg

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Inzeria tjomusi Krylov, 1962 or 1963 - fossil stromatolites from the Precambrian of Russia.

The multiple branching columnar structures seen here are stromatolites. They are 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. Stromatolites are most common in the Proterozoic fossil record. They are scarce today, but famous modern examples occur at Shark Bay, Western Australia.

Stratigraphy: unrecorded/undisclosed Precambrian unit

Locality: unrecorded/undisclosed site attributed to Bashkiria, Russia (possibly near the town of Assy)

See info. at:

<a href="https://en.wikipedia.org/wiki/Stromatolite" rel="nofollow">en.wikipedia.org/wiki/Stromatolite</a>
Date
Source Inzeria tjomusi (stromatolite) (Neoproterozoic, 850 Ma to 1 Ga; Bashkiria, Russia)
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/41559659220 (archive). It was reviewed on 6 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

6 December 2019

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current02:18, 6 December 2019Thumbnail for version as of 02:18, 6 December 20193,614 × 2,577 (7.72 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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