Polished fossil stromatolite. Pseudogymnosolenid type. DOG167 polished magneprase Very unusual specimen with this

Very unusual specimen with this mix of red and other colours

Desert Sunset is a banded iron formation that is comprised of alternating layers of red and yellow jasper and chert with narrow bands of black hematite

Dimensions approximately 165mm x 105mm x 8mm thick

Dimensions approximately 160mm x 65mm x 10mm thick

Polished fossil stromatolite. Pseudogymnosolenid type. DOG167 polished magneprase Very unusual specimen with thisDOG167 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. 145 mm x 60 mm x 8. 5 mm thick.