Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 snakeskin jasper 280 mm x 85 mm

280 mm x 85 mm x 10 mm thick

210 mm x 70 mm x 10

Weighs 862 grams

It weighs 240 grams

Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 snakeskin jasper 280 mm x 85 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