Stromatolitic Dolomite SD154 sskin They usually occur as weathered

They usually occur as weathered out nodules formed by branched

From near Norseman in the Eastern Goldfields region of Western Australia

Dimensions approximately 170mm x 100mm x 7mm thick

Dimensions at widest points approx

Stromatolitic Dolomite SD154 sskin They usually occur as weatheredSD154 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 170mm x 45mm