Polished fossil stromatolite slab. Asperia digitata YD110 atlantisite Sections consist of a chaotic

Sections consist of a chaotic mixture of dolomite and/or stromatolite fragments set in a matrix of mudstone and/or coarsely crystalline dolomite

Weighs 75 grams

70 mm x 55 mm  x 19 mm

naturally weathered back

Dimensions at widest points approximately 160 mm x 65 mm x 30 mm thick

Polished fossil stromatolite slab. Asperia digitata YD110 atlantisite Sections consist of a chaoticYD110. Fossil stromatolite slab polished on one side. Asperia digitata (formerly Yelma digitata) from the Proterozoic "Yelma Formation". Age is approx. 1. 7 billion years. From near Wiluna in Western Australia. Dimensions approx. 130 mm x 90 mm x 5 mm thick. Weighs 142 grams.