Review Article

Assessment of Chaves Low-Temperature CO2-Rich Geothermal System (N-Portugal) Using an Interdisciplinary Geosciences Approach

Figure 13

Hydrogeological conceptual circulation model of Chaves low-temperature CO2-rich geothermal system. B stands for granitic and metasedimentary rocks; C stands for cover deposits; CLTGW stands for Chaves low-temperature CO2-rich geothermal waters; GR stands for geothermal reservoir; (−54; −8.1) stands for the isotopic composition (δ2H; δ18O) of the waters. Taken from [27].