Polished fossil stromatolite. Alcheringa narrina. ALC162
ALC162 Fossil stromatolite , polished on one side with natural weathered exterior on rear. 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. 130 mm x 90 mm x 60 mm thick. Weighs 1,062 grams.
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