Table 3.
Brine compositions
| Simulated Fluid inclusion brine composition (mol/L) | Early Mars | Early Earth | Controls | |||||
|---|---|---|---|---|---|---|---|---|
| Type I (Nakhla Martian meteorite) |
Type II (Merridiani plunum) |
Type III (Same as II but more acidic) |
Type IV (Phoenix Lander site North Pole) |
San Andres Formation (Guadaluoian, 274–272 Ma) | Bresse Bassin (Eocene, 36-34 Ma) | |||
| M1 | M2 | M3 | M4 | E1 | E2 | BSS | BSS-LS (low salt) | |
| NaCl | 1.27 | 2.27 | 1.36 | 5.56 | 2.66 | 4.28 | 2.89 | |
| KCl | 3.78 | 1.33 | 1.14 | 0.27 | 0.53 | 0.27 | 0.27 | |
| MgCl2.6H20 | 1.15 | 3.70 | 0.18 | 1.33 | ||||
| MgSO4.7H20 | 2.55 | 0.81 | 0.81 | |||||
| HCl | 0.39 | 0.11 | ||||||
| tri-Sodium Citrate.2H2O | 0.13 | 0.13 | ||||||
| CaCl2 | 0.60 | |||||||
| KHCO3 | 2.24 | |||||||
| FeSO4.7H2O | 2.31 | |||||||
| FeCl2.4H2O | 0.99 | |||||||
| Na2SO4 | 0.80 | |||||||
| Mg(ClO4)2 | 4.16 | |||||||
| pH | 8.3 | 1 | 0.5 | 4.6 | 4.68 | 5.67 | 7.4 | 7.4 |