Source of the Ore-forming Adakitic Porphyry at the Beiya Super-large Au Deposit, Western Yangtze Cra

• 作 者: LIU Siqi ZHENG Yuanchuan SHEN
• 机 构: StateKeyLaboratoryofGeologicalProcessesandMineralResources,InstituteofGeology
• 出 处: 地质学报:英文版
• 发表日期: 2020年1期
• 关键词: Western Yangtze Craton New Evidence from Zircon U-Pb Ages of the AMPHIBOLITE XEN
• 基金项目: financially supported by the National Key Research and Development Program of China(grant No.2016YFC0600310),the 973 Project(2015CB452600,2011CB4031006),the National Natural Science Foundation of Chin

Objective The Beiya super-large Au-rich porphyry deposit(304 t Au,2.4 g/t Au)is located within the western Yangtze craton,to the southeast of the Sanjiang Tethyan Orogen(Fig.1).The ore-forming porphyry is adakitic,characterized by high Sr/Y and La/Yb rati