Polished fossil stromatolite. Pseudogymnosolenid type. DOG163 annular rings grinding or polishing as the

grinding or polishing as the matrix holding the pisolites (small round pebbles) is in many cases quite soft

Large crystal lined cavity

Dimensions at widest points approximately 200 mm x 50 mm x 10 mm thick

Axinite is grey

2 billion years

Polished fossil stromatolite. Pseudogymnosolenid type. DOG163 annular rings grinding or polishing as theDOG163 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. 145 mm x 65 mm x 7 mm thick. Weighs