Science – Society – Technology
Geothermometers | Equations | References | Calculated temp. |
---|---|---|---|
SiO2 (ά Cristobalite) | t = 1000/(4.78 − logSiO2) − 273.15 | Fournier (1977) | 100 |
SiO2 (Quartz) | t = 1309/(5.19 − logSiO2) − 273.15 | Fournier (1977) | 150 |
SiO2 (Quartz steam loss) | t = 1522/(5.75 − logSiO2) − 273.15 | Fournier (1977) | 144 |
SiO2 (Quartz steam loss) | t = 1264/(5.31 − logSiO2) − 273.15 | Arnorsson et al. (1983) | 121 |
SiO2 (Quartz steam loss) | t = 1164/(4.9 − logSiO2) − 273.15 | Arnorsson et al. (1983) | 143 |
SiO2 (Chalcedony) | t = 1032/(4.69 − logSiO2) − 273.15 | Fournier (1977) | 125 |
SiO2 (Chalcedony) | t = 1112/(4.91 − logSiO2) − 273.15 | Arnorsson et al. (1983) | 122 |