Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 ashburton agate Weighs 476 grams

Weighs 476 grams

It weighs 461 grams

100 mm x 65 mm x 18 mm thick

Dimensions approximately 110 mm x 90 mm x 80 mm thick

115 mm x 90 mm x 40 mm thick

Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 ashburton agate Weighs 476 gramsDOG168 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