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Geothermal Energy

Science – Society – Technology

Fig. 1 | Geothermal Energy

Fig. 1

From: Structural control of the graben fault on hydrothermal alteration in the Cerro Pabellón geothermal system (Andean Cordillera, Northern Chile)

Fig. 1

a Map of the Central Andean Volcanic Zone (CAVZ), regional scale faults, active volcanoes, and main geothermal manifestations (geysers, fumaroles, steam grounds, hot springs, etc.) in the Chilean side after Aravena et al. (2016). The image used in the background is from ESRI. The red square is the studied area, also detailed in (b) Map of Cerro Pabellón (CP) geothermal wells with main normal faults and morphological lineaments (dashed line). CP5A and CP2A wells, in red, present samples analyzed in this study. The trace AB through the production well, CP5A, and the shallow water well, PAE-1, is presented in (c) Schematic profile with isotherms data after Urzúa et al. (2002), simplified geology, and traces of the intersected fracture and fault zones (FZs) are from Rivera et al. (2021) and Baccarin et al. (2021). Conceptual model of fluids is from Giudetti and Tempesti (2021); Taussi et al. (2019); Urzúa et al. (2002); and Vidal et al. 2022)

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