Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 dendrites DOT103 Tumble polished Dendritic Opal

DOT103  Tumble polished Dendritic Opal

NJT130  Tumble polished Noreena Jasper from Western Australia

Dimensions at widest points approximately 290 mm  x 170 mm x 9

185 mm high x 90 mm wide x 65 mm

185 mm x 75 mm x 65 mm

Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 dendrites DOT103 Tumble polished Dendritic OpalDOG168 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