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Polished fossil stromatolite. Alcheringa narrina. ALC137

Regular price $70.00

ALC137. 

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.

Approx.  90mm x 80mm x 12mm thick.This piece has a smattering of tiny pyrite inclusions through it. Rare.

Weighs 200grams.


 


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