Science – Society – Technology
Table 7 Temperature estimations via conventional solute geothermometers (quartz, Na/K, Na/K/Ca, K2/Mg) for the wells at Krafla (K-28, K-11, K-24 and K-28-2) as well as Reykjanes (RN-12 and RN-23) based on back-calculated element concentrations using WATCH 2.4 (Bjarnason 2010)
From: A multicomponent geothermometer for high-temperature basalt settings
Sample no. | Well | Solute geothermometer [°C] | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Quartz | Na/K | Na/K/Ca | K²/Mg | ||||||||||
Fournier and Potter (1982) | Arnórsson et al. (1983) | Verma (2000) | Truesdell (1976) | Fournier (1979) | Giggenbach (1988) | Arnósson (2000) | Can (2002) | Fournier and Truesdall (1973) | Nieva and Nieva (1987) | Kharaka and Mariner (1989) | Giggenbach (1988) | ||
97-3103 | K-28 | 197 | 181 | 201 | 204 | 230 | 245 | 211 | 218 | 209 | 173 | 220 | 240 |
98-3206 | K-11 | 250 | 221 | 259 | 227 | 248 | 261 | 232 | 237 | 226 | 194 | 248 | 240 |
98-3208 | K-24 | 213 | 194 | 219 | 163 | 198 | 214 | 169 | 187 | 186 | 187 | ||
98-3210 | K-28-2 | 235 | 210 | 243 | 200 | 227 | 242 | 207 | 215 | 207 | 174 | 219 | 237 |
RN-12 | 301 | 249 | 300 | 231 | 251 | 264 | 236 | 240 | 239 | 195 | 269 | 301 | |
RN-23 | 293 | 245 | 295 | 236 | 255 | 267 | 240 | 244 | 244 | 206 | 278 | 288 | |