Polished fossil stromatolite. Eucapsiphora leakensis. EUC150 Marra Mamba 165mm x 75mm x 9mm

165mm x 75mm x 9mm thick

210 mm x 160 mm x 12 mm thick

140 mm x 90 mm x 40 mm thick

Dimensions at widest points approximately 80 mm x 35 mm x 15 mm thick

VV109  Vivianite nodule cut in half with face polished

Polished fossil stromatolite. Eucapsiphora leakensis. EUC150 Marra Mamba 165mm x 75mm x 9mmEUC150 Very rare fossil stromatolite slab , cut and polished on one side. Eucapsiphora leakensis. These small branching columnar stromatolites are from the Mount Leake Sandstone, Earaheedy Group, Western Australia. Location is near the town of Meekatharra. Age is Palaeoproterozoic (1. 6 to 2. 5 billion years). The environment they grew in was most probably a sandy tidal flat or braided river channel. Dimensions at widest points approx. 180 mm x 70 mm