U-Pb Zircon Geochronology and Geochemistry of Granitoids in the Douling Group in the Eastern Qinling

• 作 者: ZHANGChengli LIMiao WANGTao YU
• 机 构: TheKeyLaboratoryofContinentalDynamics,InstituteofGeology,TheKeyLaboratoryofContinentalDynamics
• 出 处: 地质学报：英文版
• 发表日期: 2004年1期
• 关键词: 花岗岩结构 LA-ICPMS 地球化学 秦岭东部 板块挤压 Granitoids LA-ICPMS zircon U-Pb dating Geochemis
• 基金项目: This research is jointly supported by the National Natural Science Foundation of China，The Foundation of Senior Visiting Scholarship of Western Colleges, Ministry of Education, China

LA-ICPMS U-Pb zircon dating of the Sanpinggou, Gangou and Fengzishan granitoids in the Douling Group of the Eastern Qinling yields ages of 760-685 Ma, which represents a strong tectono-magmatic event in the southern Qinling during the late Neoproterozoic.