18″ Proterozoic Columnar Stromatolite (Asperia) Slab – Australia

18″ Proterozoic Columnar Stromatolite (Asperia) Slab – Australia (Item #351979), Stromatolite Fossils for sale. FossilEra your source to quality fossil specimens.
Species: Asperia ashburtonia
Age: Proterozoic (~2 Billion Years Old)
Location: Paraburdoo, Western Australia
Formation: Duck Creek Dolomite
Size: 18 x 11.2″, .7″ thick