Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal Weighs 802 grams

Weighs 802 grams

7 mm thick and weighs 145 grams

B229  Black Jasper Conglomerate slab

TI265   Tiger Iron rough rock

Dimensions approximately 105 mm x 55 mm x 11 mm thick

Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal Weighs 802 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