Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 polished rock BA105 Polished Brazilian Agate slab

BA105  Polished Brazilian Agate slab

Stone is wet to show colour

Blue Lepidolite rough rock

quartz and chert

190 mm x 160 mm x 9 mm thick

Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 polished rock BA105 Polished Brazilian Agate slabDOG165 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. 285