Polished fossil stromatolite slab. Strelley Pool Formation SPF143 polished noreena Dimensions at widest points approximately

Dimensions at widest points approximately 180 mm x 150 mm x 55 mm thick

Dimensions at widest points approximately 160 mm x 70 mm x 60 mm thick

110 mm x 75 mm  x 7 mm

160 mm high x 135 mm wide x 55 mm

Dimensions at widest points approximately 125 mm x 90 mm x 45 mm thick

Polished fossil stromatolite slab. Strelley Pool Formation SPF143 polished noreena Dimensions at widest points approximatelySPF143. Fossil stromatolite slab, polished on one side. These are the oldest known fossils on Earth. From the Strelley Pool Formation in the Pilbara region of Western Australia. Age is approx. 3. 4 billion years. Dimensions approx. 250 mm x 155 mm x 10 mm thick. Weighs 799 grams.