Polished fossil stromatolite. Wyloo Group. WG103 polished magneprase Measures approximately 225mm x 120mm

Measures approximately 225mm x 120mm and  10mm thick

From near Norseman in the Eastern Goldfields region of Western Australia

It contains numerous occurrences of stromatolites and oncolites with an age of between 2

75 mm x 50 mm  x 40 mm

These are the oldest known fossils on Earth

Polished fossil stromatolite. Wyloo Group. WG103 polished magneprase Measures approximately 225mm x 120mmWG103 Fossil stromatolite slab polished on one side Dimensions at widest points approx. 220 mm x 170 mm x 10 mm thick. Weighs 1,006 grams From an unassigned unit of the Wyloo Group. Age is approx. 1. 8 billion years. From the same outcrop as Pseudogymnosolenid type which occur as a substrate beneath these ones. From south west of Newman Western Australia.