From: Silicate solution, cation properties, and mass transfer by aqueous fluid in the Earth’s interior
SiO2–H2O | SiO2–NaOH–H2O | SiO2–CaO–H2O | ||||||
---|---|---|---|---|---|---|---|---|
Temp (°C)a | Press (MPa)b | Phases | Temp (°C) | Press (MPa) | Phases | Temp (°C) | Press (MPa) | Phases |
25 | 0.1 | Qtz + fluid | 25 | 0.1 | Qtz + fluid | 25 | 0.1 | Qtz + Wo + fluid |
550 | 391 | Qtz + fluid | 550 | 583 | Qtz + fluid | 575 | 396 | Qtz + Wo + fluid |
625 | 542 | Qtz + fluid | 625 | 638 | Qtz + fluid | 625 | 468 | Qtz + Wo + fluid |
700 | 696 | Qtz + fluid | 700 | 851 | Qtz + fluid | 675 | 498 | Qtz + Wo + fluid |
775 | 956 | Qtz + fluid | 775 | 1012 | Qtz + fluid | 725 | 709 | Qtz + Wo + fluid |
800 | 725 | Qtz + fluid | 800 | 1134 | Qtz + fluid | 775 | 952 | Qtz + Wo + fluid |
825 | 933 | Qtz + Wo + fluid |