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Polished fossil stromatolite. Alcheringa narrina. ALC133

Regular price $85.00

ALC133. 

Fossil stromatolite  slab, polished on one side .

Numerous small pyrite crystals scattered through this specimen.

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.  130 mm x 90 mm x 13 mm thick at widest points.

260 grams.


 


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