Polished fossil stromatolite. Alcheringa narrina. ALC143 fossil stromatolite 46 mm x 41 mm
Description
46 mm x 41 mm x 6 mm thick dome
DO153 Dendritic Opal rough rock
The pink and red colouration can be attributed to the presence of finely disseminated iron oxides
300 mm x 205 mm x 50 mm thick
70 million years (Cretaceous)
Polished fossil stromatolite. Alcheringa narrina. ALC143 fossil stromatolite 46 mm x 41 mmALC143. Fossil stromatolite polished slab. Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation. Age is approx. 2. 7 billion years. From near Nullagine in Western Australia. Approx. 95mm x 65mm x 9mm thick. Weighs 140grams.
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