Stromatolitic Dolomite SD156 stand ups Dimensions approximately 135mm x 130mm

Dimensions approximately 135mm x 130mm x 9mm thick

Dimensions approximately 175 mm x 160 mm x 5 mm thick

Yet to be formally identified but possibly Paniscollenia

It weighs 319 grams

Stromatolitic Dolomite SD156 stand ups Dimensions approximately 135mm x 130mmSD156 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 170mm x 100mm x 7mm thick