Polished fossil stromatolite. Alcheringa narrina. ALC160 polished noreena Weighs 162 grams

Weighs 162 grams

Dimensions at widest points approximately 100 mm x 100 mm x 35 mm thick

Dimensions at widest points approximately 100 mm x 80 mm x 55 mm thick

45 mm x 30 mm x 25 mm

73 mm x 60 mm x 58 mm

Polished fossil stromatolite. Alcheringa narrina. ALC160 polished noreena Weighs 162 gramsALC160 Fossil stromatolite , polished on one side with natural weathered exterior on rear. Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation. Age is approx. 2. 7 billion years. From near Nullagine in Western Australia. Dimensions at widest points approx. 110 mm x 70 mm x 30 mm thick. Weighs 404 grams.