YD108. 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. 80 mm x 130 mm x 7 mm thick.
Weighs 178 grams.
