Stromatolitic Dolomite SD157 dendrite Weighs 142 grams

Weighs 142 grams

with both halves polished on one side

Dimensions at widest points are approximately 180 mm x 80 mm x 50 mm

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These small branching columnar stromatolites are from the “Mount Leake Sandstone”

Stromatolitic Dolomite SD157 dendrite Weighs 142 gramsSD157 Stromatolitic Dolomite slab, 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 130mm x 100mm x 7mm thick