吉林省蛟河市东北部红山组碎屑岩中碎屑锆石年龄信息及物源分析  

Detrital zircon age information and provenance analysis in clastic rocks of the Hongshan Formation in the Northeast of Jiaohe City,Jilin Province

作　　者：李栋[1] 高鹤 聂立军[1] 陶军宇 LI Dong;GAO He;NIE Lijun;TAO Junyu(Regional Geological and Mineral Resources Survey of Jilin Province,Changchun 130022,Jilin,China;Institute of Hydrology and Geology of Jilin Province,Changchun 130103,Jilin,China;Bureau of Nuclear Industry Geological Engineering of Jilin Province,Changchun 130062,Jilin,China)

机构地区：[1]吉林省区域地质矿产调查所,吉林长春130022 [2]吉林省水文地质调查所,吉林长春130103 [3]吉林省核工业地质局,吉林长春130062

出　　处：《吉林地质》2021年第4期1-5,共5页Jilin Geology

摘　　要：吉林省蛟河市东北部红山组浅变质碎屑岩沉积时限上限在250 Ma左右,其中粉砂质板岩碎屑锆石年龄范围在867~184 Ma,泥质粉砂岩碎屑锆石年龄范围在810~181 Ma,两者碎屑锆石年龄大致可分为7个年龄段。结合近年来区域研究成果,充分说明蛟河市东北部红山组浅变质碎屑岩物质来源于佳木斯地块等不同时期不同构造活动单元中,具有多物源特征,对研究吉中乃至东北地区地壳演化具有重要意义。The upper limit of sedimentary time of the shallow metamorphic clastic rocks of the Hongshan Formation is about 250 Ma in the northeast of Jiaohe,Jilin Province,of which the zircon age of silty slate debris ranges from 867 Ma to 184 Ma and that of argillaceous siltstone debris ranges from 810 Ma to 181 Ma.The detrital zircons age of the two can be roughly divided into 7 ages.Combined with the regional research results in recent years,it fully shows that the material of shallow metamorphic clastic rocks of Hongshan Formation in the northeast of Jiaohe has the multi-provenance characteristics,which originated from different tectonic activity units in different periods,such as Jiamusi massif.It has great significance to study the crustal evolution in Central Jilin and even northeast China.

关 键 词：蛟河东北 红山组 锆石年龄 物质来源 

分 类 号：P597.3[天文地球—地球化学]