Fig. 2From: 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, ChinaExtensional structures in the YHGF. a Three secondary faults near F11; b hot springs, Geyser and fumarole are distributed along F5; c scratches and steps of F7; d geothermal activity is exposed in the junction of F8 and F5Back to article page