Stromatolitic Dolomite SD156 stand ups Measures approximately 225mm x 120mm

Measures approximately 225mm x 120mm and  10mm thick

13 mm thick

CLA227   A slab

Dimensions approximately 135mm x 130mm x 9mm thick

Stromatolitic Dolomite SD156 stand ups Measures approximately 225mm x 120mmSD156 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