Polished fossil stromatolite slab. Asperia digitata YD110 Polished slab. These small branching columnar stromatolites

These small branching columnar stromatolites are from the “Mount Leake Sandstone”

Dimensions approximately 195 mm x 100 mm x 45 mm thick

From Mooka Creek close to the Kennedy Ranges

4 billion years

Dimensions approximately 120mm x 100mm x 9mm thick

Polished fossil stromatolite slab. Asperia digitata YD110 Polished slab. These small branching columnar stromatolitesYD110. Fossil stromatolite slab polished on one side. Asperia digitata (formerly Yelma digitata) from the Proterozoic "Yelma Formation". Age is approx. 1. 7 billion years. From near Wiluna in Western Australia. Dimensions approx. 130 mm x 90 mm x 5 mm thick. Weighs 142 grams.