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Face is approximately 75 mm x 60 mm and 10 mm thick
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These rare stromatolites are from the “Windidda Formation”
Lepidolite slab
Stromatolitic Dolomite SD155 mookalite Face is approximately 75 mmSD155 Stromatolitic Dolomite rough rock, cut and polished on one side. Sections consist of a chaotic mixture of dolomite and or stromatolite fragments set in a matrix of mudstone and or coarsely crystalline dolomite . The pink and red colouration can be attributed to the presence of finely disseminated iron oxides . It often contain layers and nodules of red chert. From the Irregully Formation, Western Australia. Dimensions approximately 165mm x 40mm