Proterozoic ocean redox and biogeochemical stasis

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Table S5. Estimated high-temperature hydrothermal Mo and Cr fluxes.
Mo
Cr
F(ht)a
∆[Me]b
Fhyd / Friv
∆[Me]c
kg y-1
nM
%
nM
2.62 x 1013
100
0.85
3.88
a
Assuming: Q(ht) = 3.2 x 1012 W (1); ∆T(ht) = 350ºC (1, 2); cp = 5.8 J g-1 K-1 (1)
b
[Mo]SW from (3); [Mo]fluid from (4)
c
[Cr]SW from (5); [Cr]fluid from (6)
Fhyd / Friv
%
0.02
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