Stromatolitic Dolomite SD157 mookaite Weighs 510 grams

Weighs 510 grams

Dimensions approximately 220mm x 110mm x 6mm thick

Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite"

Age approx

SD156 Stromatolitic Dolomite slab

Stromatolitic Dolomite SD157 mookaite Weighs 510 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