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Polished fossil stromatolite. Alcheringa narrina. ALC154

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ALC154

Fossil stromatolite slab, polished on one side.

Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation.  

Age is approx. 2.7 billion years.

From near Nullagine in Western Australia.

Dimensions at widest points approx.  140 mm x 135 mm x 19 mm thick.

Weighs 762 grams.


 


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