Polished fossil stromatolite. Pseudogymnosolenid type. DOG169 black jasper Weight 342 grams

Weight 342 grams

Dimensions at widest points approximately 130 mm x 80 mm x 11

From near Newman

bright blue chrysocolla

Dimensions at widest points approximately 90 mm x 90 mm x 4 mm thick

Polished fossil stromatolite. Pseudogymnosolenid type. DOG169 black jasper Weight 342 gramsDOG169 Fossil stromatolite slab, polished on one side. 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. 80 mm x 70 mm x 7 mm thick. Weighs 99