Polished fossil stromatolite. Pilbaria perplexa. PP117. asperia Sections consist of a chaotic
Baker’s notes & crumb story
Description
Sections consist of a chaotic mixture of dolomite and/or stromatolite fragments set in a matrix of mudstone and/or coarsely crystalline dolomite
Weighs 230 grams
SD155 Stromatolitic Dolomite rough rock
6 billion years
Polished fossil stromatolite. Pilbaria perplexa. PP117. asperia Sections consist of a chaoticPP117. Fossil stromatolite, polished on one side with natural weathered exterior. Pilbaria perplexa from the Proterozoic "Duck Creek Dolomite". Age is approx. 2 billion years. From near Paraburdoo in Western Australia. Approx. 120 mm x 90 mm x 50 mm thick at widest points 1,055 grams.