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Weighs 198 grams
It weighs 445 grams
190 mm x 160 mm x 9 mm thick
From the same outcrop as Pseudogymnosolenid type which occur as a substrate beneath these ones
Dimensions at widest points approximately 300 mm x 180 mm x 9 mm thick
Polished fossil stromatolite . Carnegia wongawolensis CAR102. stand-up Weighs 198 gramsCAR102. 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