Geological Features and Metallogenic E poch of Jinchanggouliang Gold Deposit,Inner Mongolia,China

摘要：

　　The Jinchanggouliang gold deposit is an important large gold deposit in the northern margin of the North China Craton (NCC).In this paper, an accurate U-Pb age of biotite-trachyandesite was obtained from the veins cutting mutually with No.58 gold-ore vein of Jinchanggouliang deposit by using the LA-MC-ICP-MS technique.The results show that the crystallization age ofbiotite-trachyandesite is 131.7 ± 1.1Ma.With reference to the diagenetic age of the Duimiangou fine-grained granodiorite on the opposite of Jinchangggouliang, we re-define the main metallogenic epoch of the Jinchanggouliang gold deposit of 131-138 Ma.And we discuss the genesis of gold deposit with the evidence of age data and the relationship between geological bodies in field.

关键词： LA-MC-ICP-MS zircon U-Pb dating geological features metallogenic epoch Jinchanggouliang Inner Mongolia

作者: ZHANG Weibo HOU Wanrong NIE Fengjun

作者单位: China University of Geosciences,Beijing 100083,China;Institute of Mineral Resources,Beijing 100037,C No.2 Gold Geological Party of CAPF,Huhhot 010010,China Institute of Mineral Resources,Beijing 100037,China

会议类型: 国际会议

会议名称: 第十八届凯洛林国际地质学术研讨会(The 18th Kerulien International Conference on Geological)

会议地点: 石家庄

会议语种:英文

页码: 240-245

在线出版日期: 2013-09-20（万方平台首次上网日期，不代表论文的发表时间）