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Earth · Culture · Explore · 3005 BCE–1926 · 39 of 242 located marks in focus · editorial corpus · no live source connected
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Close ✕Francevillian Basin, Gabon
A Palaeoproterozoic sedimentary basin in southeastern Gabon containing black shales about 2.1 billion years old, in which a 2010 paper reported centimetre-scale pyritised structures with…
-1.6, 13.6 · regional · host shales c. 2.1 Ga
On the world
- A place in: Evolution of Life · 12 places
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- evidence for The evolution of multicellularity — The Francevillian structures are offered as macroscopic colonial organisms at 2.1 Ga, which would be a billion years earlier than any accepted case; the interpretation is disputed.
1145 objects · 280 located (1 withheld pending verification) · 865 unlocated · Basemap: Natural Earth (public domain) · marks drawn only from sourced coordinates