摘要
:通过野外工作,在前人所划的泉东山一带蓟县系中,新发现一个不整合,结合叠层石特征、同位素年龄测定资料、区域地质资料对比,将蓟县系解体为古元古界、长城系、蓟县系,并新建立四个组:古元古界刘家泉岩组、长城系约飞井组、蓟县系沙子井组。
An angular unconformity was found in the field work in the previous Quandongshan Formation of the Jixian System.Based on the data of stromatolite characteristics,isotopic and regional geology Jixian System is classified into Ancient Proterozic Changcheng System and Jixian System and subdivided into four Formations ,which are Liujiaquan Rock Formation of Ancient Proterozic,Yuefeijing Formation of Changcheng System,Shazijing Formation and Quandongshan Formation of Jixian System.
出处
《新疆地质》
CAS
CSCD
1999年第3期52-58,共7页
Xinjiang Geology
关键词
哈密
泉东山
元古宇
不整合
Hami
Quandongshan
Proterozoic
unconformity
