CPH101. Fossil stromatolite slab, polished on one side.
Conophyton garganicum australe from the Mesoproterozoic "Top Camp Formation".
Age is approx. 1.0 - 1.6 billion years.
From the Ashburton region in Western Australia.
Approx. 160 mm x 140 mm x 10 mm thick at widest points
525 grams.
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