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南岭地区多金属矿床铅同位素组成差异分析
引用本文:孙宁,罗卫,孔凡乾,韦龙明,缪远兴,唐攀科. 南岭地区多金属矿床铅同位素组成差异分析[J]. 有色金属工程, 2015, 5(2)
作者姓名:孙宁  罗卫  孔凡乾  韦龙明  缪远兴  唐攀科
作者单位:桂林理工大学地球科学学院,长沙中色矿产勘查有限公司;有色金属矿产地质调查中心南方地质调查所,桂林理工大学地球科学学院,桂林理工大学地球科学学院,有色金属矿产地质调查中心南方地质调查所,长沙中色矿产勘查有限公司;有色金属矿产地质调查中心南方地质调查所
基金项目:中国地质大调查项目(1212011140069)、全国危机矿山接替资源勘查专项典型矿床研究课题(20109908-1)。第一作者孙宁(1988-),在读硕士研究生,541006,广西桂林市雁山区雁山街319号。通讯作者韦龙明(1959-),男,博士,教授,从事成矿规律与成矿预测研究. Email:weilm590613@sina.com
摘    要:南岭地区是我国多金属矿床重要的基地,为了解该区多金属矿床成矿物质来源特点方面的差异,选择利用铅同位素示踪技术,对区内黄沙坪、宝山、凡口、大宝山、大厂5个不同多金属矿床成矿物质来源特征进行统计分析。结果表明,黄沙坪、宝山、大宝山3个多金属矿床中铅的来源相同且形成于燕山运动第一次成矿期高峰期(180~155 Ma),凡口、大厂2个多金属矿床铅的来源相同,形成于燕山运动第二成矿高峰期(115~90 Ma)。南岭地区多金属矿床形成的构造背景与华南地区中生代处于拉张构造背景一致,多金属矿床的形成是晚中生代以来华南地区岩石圈伸展作用的结果。

关 键 词:多金属矿床  铅同位素  成矿时代  南岭地区
收稿时间:2014-07-15
修稿时间:2014-07-15

Analysis of lead isotopes of the polymetallic deposits in Nanling
Sun Ning,Luo Wei,Kong Fanqian,Wei Longming,Miao Yuanxing and Tang Panke. Analysis of lead isotopes of the polymetallic deposits in Nanling[J]. Nonferrous Metals Engineering, 2015, 5(2)
Authors:Sun Ning  Luo Wei  Kong Fanqian  Wei Longming  Miao Yuanxing  Tang Panke
Affiliation:College of Earth Science,Guilin University Of Technology,China Non-ferrous Metals Resource Exploration CoLTD;South Geology Investigation Institute of China non-ferrous Metals Resource Geological Survey,College of Earth Science,Guilin University Of Technology,College of Earth Science,Guilin University Of Technology,South Geology Investigation Institute of China non-ferrous Metals Resource Geological Survey,China Non-ferrous Metals Resource Exploration CoLTD;South Geology Investigation Institute of China non-ferrous Metals Resource Geological Survey
Abstract:Nanling is one of China"s most important mining production of the polymetallic deposits, in order to understand the contrast between the source of ore-forming material characteristic of the polymetallic deposit in this area, chose the method and technology of lead isotope missing, Statistically analyzed the ore-forming material sources of the polymetallic deposits (with their name: Huang shaping, Bao Shan, Fan kou, Da baoshan, Da Chang). Research shows that: the polymetallic deposits of Huang shaping, Bao Shan, Da baoshan were formed in the first mineralization peak of Yanshan movement(180~155Ma), the remaining two polymetallic deposits were formed in the second mineralization peak of Yanshan movement(115~90Ma). The tectonic background of polymetallic deposits in Nanling region is the same with the Southern China region in the Mesozoic extensional tectonic background, the formation of polymetallic deposits is the result of late Mesozoic lithospheric extension in Southern China.
Keywords:Polymetallic  deposit,Lead  isotope,Metallogenic  epoch,Nanling
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