Academic Journal of Environment & Earth Science, 2022, 4(4); doi: 10.25236/AJEE.2022.040402.
Yu Wang1, Pengrui An1
1College of Earth Sciences and Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
Majiayao Gold Mine, located in Qixia City, Shandong Province, is a quartz vein-type gold deposit. In order to explore the source of the metallogenic materials of the Majiayao gold deposit, the previous experimental results of the pyrite and galena in the Majiayao gold deposit were collected in this paper. The S isotopic results show that the δ34S values of gold-related sulfide in Majiayao gold deposit are 4.4‰~8.8‰, indicating that the ore-forming materials come from the mantle and crust. The metallogenic mechanism of the Majiayao gold deposit is the upwelling of mantle-derived magma, and then exchanges material with the metamorphic rocks of the Jiaodong Group to form ore-forming fluids rich in metamorphic components. The ore-forming fluid migrated upward, the temperature and pressure decreased and the atmospheric water was mixed, and the ore-forming fluid was immiscible, resulting in the precipitation of gold.
Isotopic geochemistry; Ore-forming material; Majiayao gold deposit
Yu Wang, Pengrui An. Geochemical Characteristics and Genesis of Majiayao Gold Deposit in Jiaodong. Academic Journal of Environment & Earth Science (2022) Vol. 4 Issue 4: 20-24. https://doi.org/10.25236/AJEE.2022.040402.
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