Polished fossil stromatolite . Carnegia wongawolensis CAR102. stand-up From Boogardie Station near Mount

From Boogardie Station near Mount Magnet

It weighs 368 grams

Dimensions approximately 120mm x 100mm x 9mm thick

Weighs 198 grams

140 mm x 90 mm x 40 mm thick

Polished fossil stromatolite . Carnegia wongawolensis CAR102. stand-up From Boogardie Station near MountCAR102. Fossil stromatolite slab, polished on one side. Carnegia wongawolensis. These rare stromatolites are from the Windidda Formation, Earaheedy Group, Western Australia. They usually occur as weathered out nodules formed by branched, irregular columns. The environment they grew in was possibly freshwater algal marshes. Location is near the town of Wiluna, Western Australia. Age is Palaeoproterozoic (1. 6 to 2. 5 billion years). Approx. 210 mm x 70