Polished fossil stromatolite . Carnegia wongawolensis CAR102. stromatolite BA114 Polished Brazilian Agate slab
Description
BA114 Polished Brazilian Agate slab
4 billion years
Dimensions approximately 145mm x 75mm x 8mm thick
190 mm x 90 mm x 10 mm thick
Polished fossil stromatolite . Carnegia wongawolensis CAR102. stromatolite BA114 Polished Brazilian Agate slabCAR102. 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
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