The eastern Shandong region is rich in molybdenum deposits whicd can be classified into the contact—metasomatic, porphyritic and magmatichydrothermal ones according to its genesis.The controlling conditions (factors) of the formation of the molybdenum deposits include carbonate wall rocks, faults and crush zones and intermediate—acidic intrusions of the Aishan stage in the late Yanshanian orogeny, among which the igneous bodies belong to the most important factor and the molybdenum deposits are specially re...