Polished fossil stromatolite. Pseudogymnosolenid type. DOG166 red jasper 1 billion years

1 billion years

Weighs 638 grams

PA223  An Agate slab

Displays excellent cross section of circular columns

Polished fossil stromatolite. Pseudogymnosolenid type. DOG166 red jasper 1 billion yearsDOG166 Fossil stromatolite slab, polished on one side. Superb museum quality specimen ! 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. 280