Polished fossil stromatolite. Pseudogymnosolenid type. DOG167 polished magneprase Dimensions approximately 160mm x 65mm

Dimensions approximately 160mm x 65mm x 10mm thick

Bauxite is the main raw material used in the commercial production of aluminium

Weighs 96 grams

Dimensions at widest points approximately 115 mm x 100  mm x 18 mm thick

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

Polished fossil stromatolite. Pseudogymnosolenid type. DOG167 polished magneprase Dimensions approximately 160mm x 65mmDOG167 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.