Polished fossil stromatolite slab. Alcheringa narrina. ALC158
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ALC158
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. 160 mm x 90 mm x 17 mm thick.
Weighs 493 grams.