The Lower Cretaceous sequences of the Ravanj anticline in Iran host the Ravanj Pb–Ba–Ag mineralization. Economic orebodies are restricted to the thrust zone within the brecciated massive limestone and immediately above the Jurassic shale and/or shale–limestone intercalations of the Lower Cretaceous. | Geological, geochemical, and fluid inclusion evidences for the origin of the Ravanj Pb–Ba–Ag deposit, north of Delijan city, Markazi Province, Iran