Polished fossil stromatolite. Pseudogymnosolenid type. DOG167 polished magneprase Dimensions at widest points approximately

Dimensions at widest points approximately 185 mm x 120 mm x 7

Dimensions approximately 160mm x 65mm x 10mm thick

weighs 470grams

5 mm thick at widest points

More correctly an iron-rich

Polished fossil stromatolite. Pseudogymnosolenid type. DOG167 polished magneprase Dimensions at widest points approximatelyDOG167 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 60 mm x 8. 5 mm thick.