Fig. 6From: Geochemical and H–O–Sr–B isotope signatures of Yangyi geothermal fields: implications for the evolution of thermal fluids in fracture-controlled type geothermal system, Tibet, Chinaa Plot of δD vs. δ18O for all water samples; GMWL and LMWL based on Craig (1961) and Wang (2017); the magmatic water area was referred to Giggenbach (1992); b comparison of hydrogen and oxygen isotope plots of geothermal water from Yangyi and Yangbajing (modified from Wang et al. 2020); River water in Yangyi was referred to The Geothermal Geological Team of Tibet (1990); Deep geothermal water and shallow geothermal water of Yangbajing was referred to Guo et al. (2010); Hot spring water of Yangbajing was referred to Zheng et al. (1982)Back to article page