摘要
吉南集安群是一套具有裂谷建造特征的优地槽相沉积。其中清河组主要成矿元素和伴生元素沉积本底含量高,且含有大量有机碳。根据金、铅锌活化萃取试验成果,这些元素在成矿溶液作用下有迁移富集成矿的可能性。矿床、矿体的地质特征,硫、铅、氢、氧同位素及微量元素地球化学特点证实了金、铅锌矿床具有明显的层控特征。据此认为集安群清河组第2段、第4段是金、铅锌矿的矿源层。
The Ji' an Group in the southern part of Jilin province is a suite of eugeosyncline deposition with the characteristics of rift formation in which the major metallogenic and associated elements at the bottom of the Qinhe Formation with the abundant organic carbons. According to the active extractive experiment results of gold, lead and zinc, it is possible that these elements can be migrated and be concentrated through the process of ore—forming solution. The geological features of gold, lead zinc deposits, S. Pb.H. O isotopes of the orebodies and the geochemical characteristics of the microelements clearly show that the Au, Pb and Zn deposits are stratabound. It is believed that the Member No.2 and Member No.4 of the Qinghe Formation, Ji'an Group are ore source—bed of Au, Pb and Zn deposits.
出处
《吉林地质》
1992年第4期8-16,共9页
Jilin Geology
