Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal B229 Black Jasper Conglomerate slab

B229  Black Jasper Conglomerate slab

Dimensions approximately 105 mm x 55 mm x 11 mm thick

Dimensions at widest points approximately 130 mm  x 30 mm x 6 mm thick

Weighs:  254 grams

It weighs 996 grams

Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal B229 Black Jasper Conglomerate slabDOG168 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