Polished fossil stromatolite. Pseudogymnosolenid type. DOG169 atlantisite SU154 Sunset Jasper slab

SU154 Sunset Jasper slab

Weighs  471 grams

140 mm x 100 mm x 60 mm thick

HEM141  Hematite geode half

Polished fossil stromatolite. Pseudogymnosolenid type. DOG169 atlantisite SU154 Sunset Jasper slabDOG169 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. 80 mm x 70 mm x 7 mm thick. Weighs 99