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Table B.1

Cases for BOM used to produce Fig. 11.

Case Initial outgassing Ps (bar) Buffer pboA (bar) Final outgassing


fCO
1 0.05 0.95 76.7 IW-4 48 0.0018 0.0007 0.049 0.94
IW 53.2 0.15 0.029 0.02 0.79
IW+4 75.3 0.90 0.049 0.000 0.046

2 0.25 0.75 76.7 IW-4 44.14 0.0014 0.036 0.24 0.75
IW 52.83 0.12 0.15 0.10 0.62
IW+4 75.43 0.71 0.245 0.0016 0.036

3 0.5 0.5 76.7 IW-4 37.43 0.00 0.007 0.49 0.50
IW 52.12 0.08 0.30 0.20 0.42
IW+4 75.6 0.47 0.29 0.003 0.024

4 0.75 0.25 76.7 IW-4 27.1 0.000 0.01 0.74 0.25
IW 51 0.040 0.44 0.30 0.20
IW+4 75.8 0.24 0.74 0.005 0.0122

5 0.95 0.25 76.7 IW-4 14.0 0.0 0.013 0.94 0.0049
IW 49.6 0.008 0.56 0.38 0.042
IW+4 76.1 0.047 0.94 0.0063 0.002

6 1.0 0.00 76.7 IW-4 9.5 0.0 0.014 0.98 0.00
IW 49.1 0.00 0.60 0.40 0.00
IW+4 76.2 0.00 0.99 0.0069 0.00

Notes. Cases 1, 4, and 6 are similar to scenarios 1.1, 1.2, and 1.3, respectively, which are also presented in Table 4. Columns 2 and 3 show the initial assumed mole fractions arising from H2O and CO2 outgassing, which is the input to the speciation model. The assumed buffer values for strongly reducing (IW-4), reducing (IW), and highly oxidizing (IW+4) have been used to study the effect of speciation under these conditions. The four columns on the right show final outgassed species from the speciation model. For these scenarios, the surface p, T setting is fixed to be Ts = 3300 K and Ps = 76.7 bar. The pboA calculated from the new molecular weight of the atmosphere is also shown. The most dominant species in the atmosphere are marked in bold for each of the cases.

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