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stromatolites

Term: stromatolites

Literally meaning: “layers of stones”

Origin: Anc Greek
στρώμα/stroma(=layer,  mattress) > στορέννυμι/storenymi(=to spread the clothes over a bed, to strew or spread with )
+ λίθος/lithos(=stone, rock)

Coined/History
In 1908, by Kalkowsky while describing  coastal paleoenviroments of a Lower Triassic epicontinental sea.
(Source: Kalkowsky E (1908)Oolith und Stromatolith im norddutschen Buntsandstein. Zeiitschrifit der deutchen geologischen Gesellschaft 60: 68-125. )

Definition
Stromatolites, are rock-like laminated structures formed by the trapping and precipitation of particles of microorganisms such as bacteria and algae. Srtomatolites include the oldest known fossils, dating back some 3.5 billion years. 

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