Polished fossil stromatolite . Conophyton garganicum australe. CPH105.

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.