Fig. 4: Reconstruction of ocean redox landscape and associated Fe biogeochemical cycle in the Paleoproterozoic oceans during the Lomagundi Event. | Communications Earth & Environment

Fig. 4: Reconstruction of ocean redox landscape and associated Fe biogeochemical cycle in the Paleoproterozoic oceans during the Lomagundi Event.

From: Expansion of the aerobic iron biogeochemical cycle during the Paleoproterozoic Lomagundi event

Fig. 4

The data show that Fe(II) was significantly oxidized and removed from seawater in mildly oxic deep oceans while dissolved Mn(II) was still transported to well-oxygenated shelf environments where it was quantitatively oxidized and removed from seawater.

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