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The article presents a study conducted to determine the age of molybdenite rhenium (Re)-osmium (Os) isotope from Yaochong molybdenum (Mo) deposit located in Dabie Shan Mountain in Henan Province, China. Topics discussed include the use of six samples collected from the Yaochong Mo deposit for Re-Os dating in the study, domination of structures by the NW-trending faults and intrusions in the Yaochong Mo deposit.

The article discusses the geochronological analysis of igneous intrusions in Dayaoshan Uplift in Southeastern Guangxi, China alongwith information on Early Paleozoic Wuyi-Yunkai Orogeny. Topics discussed include collection of igneous intrusion samples, dating of zircon uranium-lead by using the Laser Ablation Inductively Coupled Plasma Mass Spectrometry and genetic relation of deposit with Paleozoic granitic intrusions.

The article discusses ore-forming epoch of Jiapigou Gold Belt in Northeast China with reference to Zircon LA-ICP-MS Uranium-lead Dating of the intrusive rocks. Topics include gold deposits being controlled by shear zones or fractures, collection of syenite porphyry samples from the Erdaogou, Benqu and Bajiazi gold deposits for a LA-ICP-MS geochronological study, and ages of syenite porphyry dykes found to be consistent with collision between Siberia Plate and North China Plate.