Fig. 2From: The impact of hydrothermal alteration on the physiochemical characteristics of reservoir rocks: the case of the Los Humeros geothermal field (Mexico)a Location of the geothermal wells drilled within the Los Humeros caldera and b the lithostratigraphic profile of well H43 (modified from Carrasco-Núñez et al., 2017b). c Lithostratigraphic profiles and in-depth correlation of the main stratigraphic groups modified from Urbani et al. (2020, 2021) and Carrasco-Núñez et al. (2017b) with new data from Cavazos-Álvarez et al. (2020)Back to article page