Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 ashburton agate It occurs in a geological

It occurs in a geological unit called the "Mt

Weighs 476 grams

115 mm x 90 mm x 40 mm thick

Dimensions at widest points approximately 85 mm x 50 mm x 20 mm thick

Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 ashburton agate It occurs in a geologicalDOG168 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