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Project Noah Nature School
Phylum Cyanobacteria
This are ayered accretionary structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by biofilms of microorganisms, especially cyanobacteria (commonly known as blue-green algae)
Spotted on Sep 21, 2012
Submitted on Sep 21, 2012
1 Comment
That is beautiful! :)