摘要
吉林省敦化市意气松一带花岗岩的岩石类型为花岗闪长岩、黑云母二长花岗岩,两者呈渐变过渡关系,花岗闪长岩的U-Pb测年结果为187Ma,为早侏罗世的产物;黑云母二长花岗岩的U-Pb测年结果为215Ma,为晚三叠世的产物。通过花岗岩的锆石U-Pb定年数据,结合地质特征,将其划分为两个独立岩石单元。
Type of the Yiqisong granite is granodiorite and biotite adamellite, the relationship between them was, U-Pb dating results of granodiorite is 187Ma,it is the product of early Jurassic; U-Pb dating results of biotite adamellite is 215Ma, it is the product of late Triassic epoch. According to the data of Zircon U-Pb dating and the geological characteristics, that divided it into twice individual granite units.
作者
彭锐
顾军
赵志兵
陈浩
张艳昌
PENG Rui;GU Jun;ZHAO Zhi-bing;CHEN Hao;ZHANG Yan-chang(Team 604,Bureau of Nonferrous Metals Geological Survey of Jilin Province,Jilin 132013,Jilin,China)
出处
《吉林地质》
2018年第3期1-4,共4页
Jilin Geology
