Polished fossil stromatolite. Strelley Pool Formation SPF127 red jasper Dimensions approximately 150 mm x

Dimensions approximately 150 mm x 50 mm x 9 mm thick

Weighs 144 grams

cut and polished on one side with natural rough exterior

150 mm x 90 mm x 6

From the same outcrop as Pseudogymnosolenid type which occur as a substrate beneath these ones

Polished fossil stromatolite. Strelley Pool Formation SPF127 red jasper Dimensions approximately 150 mm xSPF127 Fossil stromatolite . Rough rock with natural back, cut and polished on one side. Huge museum quality display piece ! 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. 500 mm x 140 mm x 130 mm thick. Weighs 7,720 grams.