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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.WellSolute geothermometer [°C]
QuartzNa/KNa/K/CaK²/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)
97-3103K-28197181201204230245211218209173220240
98-3206K-11250221259227248261232237226194248240
98-3208K-24213194219163198214169187186 187 
98-3210K-28-2235210243200227242207215207174219237
 RN-12301249300231251264236240239195269301
 RN-23293245295236255267240244244206278288