Polished fossil stromatolite. Wyloo Group. WG102 Kumarina banded chert

banded chert

Dimensions at widest points approximately 180 mm x 90 mm x 11 mm thick

Approximate dimensions at widest points 235 mm  x 140 mm  x 13 mm thick

SD154 Stromatolitic Dolomite rough rock

160 mm x 115 mm x 10 mm

Polished fossil stromatolite. Wyloo Group. WG102 Kumarina banded chertWG102 Fossil stromatolite polished on one side with natural weathered exterior. Dimensions at widest points approx. 180 mm x 105 mm x 40 mm thick. Weighs 1,716 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.