The nitrogen-isotopic composition of 1.1 billion-year-old porphyrins reveals oceans dominated by phototrophic bacteria

Brocks, JochenGueneli, NurMcKenna, A. M.Ohkouchi, N.Boreham, ChristopherBeghine, J.Javaux, E. J.2020-12-172020-12-17Septemberhttp://hdl.handle.net/1885/217370application/pdfen-AU© 2020 European Association of Geoscientists & EngineersThe nitrogen-isotopic composition of 1.1 billion-year-old porphyrins reveals oceans dominated by phototrophic bacteria201910.3997/2214-4609.2019026722020-09-06