CPH105. 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. 180 mm x 150 mm x 8.5 mm thick .
478 grams.
