Polished fossil stromatolite slab. Domal from Irregully formation IRR114 annular rings OG149 Polished orbicular granite with

OG149   Polished orbicular granite with natural rough back

SD155 Stromatolitic Dolomite rough rock

Dimensions at widest points approximately 130 mm x 90 mm and 13 mm thick

70 mm x 45 mm  x 30 mm

Dimensions at widest points approximately 150 mm x 70 mm x 8 mm thick

Polished fossil stromatolite slab. Domal from Irregully formation IRR114 annular rings OG149 Polished orbicular granite withIRR114 Fossil stromatolite slab polished on one side. A domal stromatolite from the Proterozoic "Irregully Formation" in Western Australia. Yet to be formally identified but possibly Paniscollenia . Age is approx. 1. 1 billion years. Dimensions approximately 180 mm x 70 mm x 7 mm thick Weighs 224 grams