攀西宁南地区灯影组麦地坪段地球化学特征  

Geochemistry of the Maidiping Member in Ningnan, Panxi

作　　者：赵春[1] 

机构地区：[1]四川省地质调查院,成都610081

出　　处：《四川地质学报》2015年第3期466-470,共5页Acta Geologica Sichuan

基　　金：中国地质调查局项目(1212010610206)资助

摘　　要：攀西宁南地区广泛分布震旦-寒武系灯影组地层,其中灯影组麦地坪段是重要的铅锌矿含矿层位。通过对该地区银厂沟剖面麦地坪段的地球化学特征进行较系统研究,对其沉积环境进行分析表明,麦地坪段地层中Pb、Zn含量高,其沉积环境为贫氧的还原环境,Pb、Zn等成矿元素的可能来源沉积时期的海底热液,这为后期铅锌矿的形成提供了丰富的成矿物质。The Sinian-Cambrian Dengying Formation is widely exposed in Ningnan region. The Maidiping Member is an important Pb-Zn host horizon. This paper deals with geochemical characteristics of the Maidiping Member in the Yinehang Velley, Ningnan. The study indicates that the Maidiping Member is a sediment rich in Pb, Zn in a reducing environment. Ore material may be derived from submarine hydrothermal solution.

关 键 词：铅锌矿 地球化学 灯影组麦地坪段 宁南地区 

分 类 号：P618.51[天文地球—矿床学]