Polished fossil stromatolite. Strelley Pool Formation SPF131 asperia Dimensions at widest points approximately

Dimensions at widest points approximately 100 mm x 75 mm x 40 mm thick

85 mm x 80 mm x 45 mm thick

Dimensions approximately 140 mm x 90 mm x 40 mm thick

The stromatolite occurs as small digitate columns which are finely laminated

Location is about 90 km northwest of Newman in the Pilbara region of Western Australia

Polished fossil stromatolite. Strelley Pool Formation SPF131 asperia Dimensions at widest points approximatelySPF131 Fossil stromatolite . Rough rock with natural back, cut and 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 at widest points approx. 155 mm x 70 mm x 30 mm thick. Weighs 648 grams.