Store will be temporarily closed until late February
IRR 125 Fossil stromatolite slab, polished on one side.
A domal stromatolite from the Proterozoic "Irregully Formation", age approx. 1.1 billion years. Not formally identified but possibly Paniscollenia.
Dimensions at widest points approximately 175 mm x 100 mm x 6 mm thick.
It weighs 278 grams..