YD106. Fossil stromatolite slab polished on one side.
Yelma digitata from the Proterozoic "Yelma Formation".
Age is approx. 1.7 billion years.
From near Wiluna in Western Australia.
Dimensions approx. 145mm x 120mm x 6mm thick.
Weighs 280 grams.
Magnesite Rock Block RB274
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Magnesite Rock Block RB273
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