Polished fossil stromatolite. Pseudogymnosolenid type. DOG163 outback jasper Weighs 305 grams

Weighs 305 grams

Measures approximately 220mm x 120mm and  7mm thick

Dimensions approximately 170mm x 45mm x 15-45mm thick

Weighs 71 grams

This specimen is from east of the Darling Ranges just outside the city of Perth

Polished fossil stromatolite. Pseudogymnosolenid type. DOG163 outback jasper Weighs 305 gramsDOG163 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