Introduction: The Zhangjiapingzi gold deposit, located at the western margin of Yangtze Craton and controlled by Jinhe-Chenghai deep fault, is a newly discovered super-large deposit in Danba-Mianning metallogenic belt. ore bodies are hosted Middle Triassic (T 2 ) altered dolomite (Dm), have two types mineralization: rock type quartz vein type. Previous studies on this rare, especially ore-fluid...

Analyses of fluid inclusion gases from Mississippi Valley-type districts in east Tennessee reveal the presence of several distinct aqueous solutions and vapors that were part of the mineralizing process. Inclusion contents were released by crushing 5 to 25 mg mineral samples and by decrepitating individual inclusions; all analyses were obtained by quadrupole mass spectrometry. Most analyzed inc...