Polished fossil stromatolite. Wyloo Group. WG102 Kumarina Dimensions at widest points approximately

Dimensions at widest points approximately 140 mm x 80 mm x 8

Dimensions at widest points approximately 160 mm x 80 mm x 8 mm thick

Weighs 670 grams

banded chert

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

Polished fossil stromatolite. Wyloo Group. WG102 Kumarina Dimensions at widest points approximatelyWG102 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.