Polished fossil stromatolite. Eucapsiphora leakensis. EUC148 polished rock Alcheringa narrina from the Archaean

Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation

Weighs 88 grams

cut & polished on one side

Very unusual piece with much of the variscite altering from green to yellow

Dimensions approximately 145 mm x 105 mm x 14

Polished fossil stromatolite. Eucapsiphora leakensis. EUC148 polished rock Alcheringa narrina from the ArchaeanEUC148 Very rare fossil stromatolite , cut and polished on one side with natural rough exterior. Interesting ripple like undulations across the top 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