YD112. Fossil stromatolite slab polished on one side.
Asperia digitata (formerly Yelma digitata) from the Proterozoic "Yelma Formation".
Age is approx. 1.7 billion years.
From near Wiluna in Western Australia.
Dimensions approx. 160 mm x 130 mm x 7 mm thick.
Weighs 292 grams.
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Regular price $20.00... Plus 10% GST in Australia
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