Polished fossil stromatolite slab. Asperia ashburtonia. ASP153 dendrite 180 mm x 100 mm

180 mm x 100 mm x 35 mm thick

130 mm x 95 mm  x 10 mm

The interesting cylindrical cavity on the right hand side is all that remains of a fossil belemnite which was a squid-like creature with a tapering torpedo or bullet shaped body

Dimensions approximately 165mm x 40mm x 5-45mm thick

Weight 338 grams

Polished fossil stromatolite slab. Asperia ashburtonia. ASP153 dendrite 180 mm x 100 mmASP153. Fossil stromatolite slab, polished on one side. Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite". Age is approx. 2 billion years. From near Paraburdoo in Western Australia. Dimensions at widest points approx. 170 mm x 145 mm x 9 mm thick. It weighs 443 grams.