Polished fossil stromatolite . Carnegia wongawolensis CAR102. stand-up From the same outcrop as

From the same outcrop as Pseudogymnosolenid type which occur as a substrate beneath these ones

From Boogardie Station near Mount Magnet

Dimensions at widest points approximately 300 mm x 180 mm x 9 mm thick

It weighs 445 grams

Weighs 164 grams

Polished fossil stromatolite . Carnegia wongawolensis CAR102. stand-up From the same outcrop asCAR102. 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