JIANGSHAO FRACTURE BELT, E. CHINA: MAGMA MINGLING AND RELATED PRECAMBRIAN GEOLOGY  

作　　者：周新民 朱云鹤 

机构地区：[1]Department of Earth Sciences, Nanjing University, Nanjing 210008, PRC

出　　处：《Science China Chemistry》1992年第5期601-611,共11页中国科学（化学英文版）

摘　　要：In this paper, the authors have confirmed the mingling of magma which occurred along the Jiangshan-Shaoxin fracture belt (simplified name: Jiangshan fracture belt) in the late Proterozoic and discussed spectacular problems of Precambrian igneous rocks and geology on either side of the belt. It is believed that the most important events of Precambrian orogeny in the border area of Zhejiang, Jiangxiand Anhui provinces happened before 900Ma. In this period, collision between Cathaysia and Jiangnan Ancient Island Arc (JAIA), which began developing ca 1100 Ma ago, took place and ended. Also, the activities and mingling of basaltic and acidic magmas accompanying the orogeny were widely generated and lasted up to the early Sinian period (about 800 Ma ago).In this paper, the authors have confirmed the mingling of magma which occurred along the Jiangshan-Shaoxin fracture belt (simplified name: Jiangshan fracture belt) in the late Proterozoic and discussed spectacular problems of Precambrian igneous rocks and geology on either side of the belt. It is believed that the most important events of Precambrian orogeny in the border area of Zhejiang, Jiangxiand Anhui provinces happened before 900Ma. In this period, collision between Cathaysia and Jiangnan Ancient Island Arc (JAIA), which began developing ca 1100 Ma ago, took place and ended. Also, the activities and mingling of basaltic and acidic magmas accompanying the orogeny were widely generated and lasted up to the early Sinian period (about 800 Ma ago).

关 键 词：MINGLING of MAGMA COLLISION OROGENY Jiangshao FRACTURE belt. 

分 类 号：O6[理学—化学]