Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal Weighs: 254 grams

Weighs:  254 grams

TI265   Tiger Iron rough rock

Weighs 802 grams

RH283  A slab

B229  Black Jasper Conglomerate slab

Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal Weighs: 254 gramsDOG168 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. 85 mm x 85 mm x 10 mm thick. Weighs