Stromatolitic Dolomite SD154 sskin From near Norseman in the

From near Norseman in the Eastern Goldfields region of Western Australia

Weight is 3

160 mm x 130 mm x 7 mm thick

Dimensions approximately 170mm x 110mm x 11mm thick

Dimensions approximately 120 mm x 100 mm x 5 mm thick

Stromatolitic Dolomite SD154 sskin From near Norseman in theSD154 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