Ca. 1.7 Ga Magmatism on Southwestern Margin of the Yangtze Block: Response to the Breakup of Columbi

• 作 者: GENG Yuansheng DU Lilin KUANG
• 机 构: InstituteofGeology
• 出 处: 地质学报:英文版
• 发表日期: 2020年6期
• 关键词: 1.7 Ga magmatism bimodal intrusions geochemistry and geochronology Columbia supe
• 基金项目: jointly project is jointly supported by the Key Research and Development Program of China(grant No.2016YFC0601001),the China Geological Survey project(DD20190002 and DD20190005),National Natural Scien

This paper presents some data of the Jiaopingdu gabbro and Caiyuanzi granite at the southwestern margin of the Yangtze Block,on the geochemical compositions,zircon LA-ICP-MS U-Pb ages and Hf isotopic data.The Jiaopingdu gabbro gives the age of 1721±5