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

120 mm x 70 mm x 45 mm thick

More information about Chrome Chalcedony

290 mm x 120-170mm x 18mm thick

natural back

A polished slab of Starry Jasper

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