Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 Polished dendritic opal 290 mm x 150 mm

290 mm x 150 mm x 14 mm thick

Dimensions at widest points approximately 140 mm x 95 mm x 9 mm thick

Dimensions approximately 120mm x 100mm x 9mm thick

CC121  Chrome chalcedony slab

From the mid-west region of Western Australia near the small gold mining centre of Payne's Find

Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 Polished dendritic opal 290 mm x 150 mmDOG165 Fossil stromatolite slab, polished on one side. Superb museum quality specimen ! 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. 285