Zircon SHRIMP U-Pb dating for gabbro at Chaotiehe in the Haicheng area, eastern Liaoning

• 作 者: MIAO LaiCheng ZHANG FuQin LIU
• 机 构: InstituteofGeologyandGeophysics,BeijingSHRIMPCentre
• 出 处: 中国科学通报：英文版
• 发表日期: 2010年4期
• 关键词: 锆石SHRIMP 辉长岩 海城地区 辽宁东部 Pb 古元古代 同位素年代学 侵位年龄 Gabbro zircon SHRIMP age eastern
• 基金项目: The authors would like to give thanks to Zhang Yuhai, Yang Zhiqing and Tao Hua at the Beijing SHRIMP Center for their support during SHRIMP analytical process. Acknowledgements are made for the two an

Chaotiehe gabbroic intrusion in the eastern part of Liaoning Province was dated by the zircon SHRIMP U-Pb technique. The results gave an emplacement age of 126±4 Ma, indicating that the intrusion thus formed during the lithospheric thinning of the No