ASP125. Huge museum quality specimen !
Fossil stromatolite slab polished on one side.
Unusual colouration caused by natural iron oxide weathering.
Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite".
Age is approx. 2 billion years.
From near Paraburdoo in Western Australia.
13 mm thick. Approx. 280 mm x 200 mm. 1,734 grams.
