Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 beryl 120 mm x 70 mm

120 mm x 70 mm x 45 mm thick

It weighs 110 grams

natural back

This museum quality specimen has been cut at right angles to the bedding and displays the columnar structure beautifully

Yet to be formally identified but possibly Paniscollenia

Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 beryl 120 mm x 70 mmDOG165 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. 285