QrtzGeotherm: A revised algorithm for quartz solubility geothermometry to estimate geothermal reservoir temperature and vapor fraction with multivariate analytical uncertainty propagation

► Geothermal reservoir temperature and vapor fraction with quartz solubility geothermometry. ► Multivariate analytical uncertainty propagation in predicting geological processes. ► Geochemical calculations in Excel. ► Improved algorithm for geothermal reservoir calculation: Los Azufres geothermal system.