1.SixthGeologicalBrigadeofShandongProvinceGeologicalandMineralExplorationandDevelopmentBureau,WeihaiShandong264200,China; 2.KeyLaboratoryofExplorationandEvaluationofDeepGoldMineofShandongProvincialBureauofLandsandMines,ZhaoyuanShandong265400,China; 3.HuangyongtangTechnicalMasterStudio,ZhaoyuanShandong265400,China
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