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ALC156
Fossil stromatolite , polished on one side with natural weathered exterior on rear.
Museum quality 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.
Dimensions at widest points approx. 300 mm x 205 mm x 50 mm thick.
Weighs 4,730 grams.
