Polished fossil stromatolite slab. Alcheringa narrina. ALC158 fossil stromatolite OJ196 A slab

OJ196  A slab

Dimensions at widest points approximately 145 mm x 105 mm and 60 mm thick

Dimensions at widest points are approximately 85 mm x 70 mm x 50 mm

Dimensions at widest points approximately 160 mm x 80 mm x 8 mm thick

Dimensions at widest points approximately 110 mm x 90 mm x 55 mm thick

Polished fossil stromatolite slab. Alcheringa narrina. ALC158 fossil stromatolite OJ196 A slabALC158 Fossil stromatolite slab, polished on one side. 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. 160 mm x 90 mm x 17 mm thick. Weighs 493 grams.