Polished fossil stromatolite. Pseudogymnosolenid type. DOG166 petrified wood It weigh 475 grams

It weigh 475 grams

Green Beryl

SD157 Stromatolitic Dolomite slab

115 mm x 50 mm x 15 mm thick at widest points

Approximate dimensions at widest points 235 mm  x 140 mm  x 13 mm thick

Polished fossil stromatolite. Pseudogymnosolenid type. DOG166 petrified wood It weigh 475 gramsDOG166 Fossil stromatolite slab, polished on one side. Superb museum quality specimen ! An as yet unidentified stromatolite, form of Pseudogymnosolenid type. The stromatolite occurs as small digitate columns which are finely laminated. It probably grew in shallow water conditions with intermittent subaerial exposure. From an unassigned unit of the Wyloo Group. Age is approx. 1. 8 billion years. From south west of Newman Western Australia. Approx. 280