Polished fossil stromatolite slab. Domal from Irregully formation IRR114 annular rings Interesting ripple-like undulations across the

Interesting ripple-like undulations across the top

Dimensions at widest points approximately 130 mm x 90 mm and 13 mm thick

New South Wales

CC120  Chrome chalcedony slab

SD155 Stromatolitic Dolomite rough rock

Polished fossil stromatolite slab. Domal from Irregully formation IRR114 annular rings Interesting ripple-like undulations across theIRR114 Fossil stromatolite slab polished on one side. A domal stromatolite from the Proterozoic "Irregully Formation" in Western Australia. Yet to be formally identified but possibly Paniscollenia . Age is approx. 1. 1 billion years. Dimensions approximately 180 mm x 70 mm x 7 mm thick Weighs 224 grams