Fig. 3 | Nature Communications

Fig. 3

From: Marine oxygen production and open water supported an active nitrogen cycle during the Marinoan Snowball Earth

Fig. 3The alternative text for this image may have been generated using AI.

Detrital input test using Al. Whole-rock analyses of redox-sensitive trace elements of interest, normalized to geochemically similar but redox-insensitive elements and plotted against Al. If all variation seen in redox-sensitive trace elements were due to changes in detrital input alone, they would correlate to Al. Since this correlation is not seen, we suggest that variation in redox-sensitive trace elements is due to changes in water column chemistry

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